Ryzen

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AMD Ryzen
AMD ryzen stylized.svg
General information
LaunchedFebruary 2017 (Released March 2, 2017)[1]
Marketed byAMD
Designed byAMD
Common manufacturer(s)
Performance
Max. CPU clock rate3.0 GHz to 4.7 GHz
Architecture and classification
Min. feature size14nm to 7nm
MicroarchitectureZen
Zen+
Zen 2
Zen 3
Instruction setAMD64/x86-64, MMX(+), SSE1, SSE2, SSE3, SSSE3, SSE4a, SSE4.1, SSE4.2, AES, CLMUL, AVX, AVX2, FMA3, CVT16/F16C, ABM, BMI1, BMI2, SHA
Physical specifications
Transistors
  • 4.8 billion for Zen & Zen+ (per 8-core "Zeppelin" die)[1]
    5.89 billion (1× CCD) or
    9.69 billion (2× CCD) for Zen 2
    (3.8 billion per 8-core 7-nm "CCD" & 2.09 billion per 12-nm "I/O die")[2]
Cores
  • Up to 64 cores/128 threads
Socket(s)
History
PredecessorFX

Ryzen (/ˈrzən/ RY-zən)[3] is a brand[4] of x86-64 microprocessors designed and marketed by Advanced Micro Devices, Inc. (AMD) for desktop, mobile and embedded platforms based on the Zen microarchitecture. It consists of central processing units marketed for mainstream, enthusiast and workstation segments and accelerated processing units (APUs) marketed for mainstream and entry-level segments and embedded applications. Ryzen is especially significant for AMD, since it is a completely new design, and marks the corporation's return to the high-end desktop CPU market. AMD's competitor Intel controlled this section of the market for the ten years starting 2006, when Intel released the groundbreaking Core microarchitecture derived from the Pentium 3, which continues to underpin its CPU designs today. Also of note is the failed release of AMD's infamous Bulldozer microarchitecture in 2011 for the sole purpose of focusing on "APU development" for 5 years up until the first generation Ryzen processors were released in 2017.

AMD officially announced a new series of processors, named "Ryzen", during its New Horizon summit on December 13, 2016 and introduced Ryzen 1000 series processors in February 2017, featuring up to 8 cores and 16 threads, which launched on March 2, 2017.[5] The second generation of Ryzen processors, the Ryzen 2000 series, features the Zen+ microarchitecture, an incremental improvement built on a 12 nm process technology, was released in April 2018 and featured a marginal performance increase over Ryzen 1000 processors[6] that first released in 2017.[7] The third generation of Ryzen processors launched on July 7, 2019 and based on AMD's Zen 2 architecture, features more significant design improvements and a further shrink to TSMC's 7nm process. On June 16, 2020, AMD announced new Ryzen 3000 series XT processors with 4% higher boost clocks versus non XT processors[8]. This closes the 5% average gap between Intel and AMD gaming performance stating that Intel processors are only 1% faster on average in gaming just before Zen 3 architecture arrives-according to enthusiasts from reddit and other online forums. In late 2019, the Zen 3 core has been revealed to be an entirely new architecture rumored to be built on TSMC's 7 nm+ EUV node (though all that's officially confirmed at this point is the use of an "enhanced 7nm" process), which is currently undergoing engineering sampling as of Q4 2019 with production yields exceeding expectations.

A majority of AMD's consumer Ryzen products utilize the Socket AM4 platform. In August 2017 AMD launched their Ryzen Threadripper line aimed at the enthusiast workstation market. AMD Ryzen Threadripper uses the larger TR4 and sTRX4 sockets, which support additional memory channels and PCI Express lanes.

In December 2019, AMD started putting out first generation Ryzen products built using the second generation Zen+ architecture.[9] The most notable example is Ryzen 5 1600, with newest batches, having "AF" identifier instead of its usual "AE", being essentially a rebadged Ryzen 5 2600 with the same specifications as the original Ryzen 5 1600.

History[edit]

In the five years before the release of Ryzen, AMD's direct competitor in the x86 and x86-64 consumer-level CPU marketspace, Intel, had continued to grow its market share with the tick-tock improvement cycle of its Core series of microprocessors.[10] Since the release of its Bulldozer microarchitecture in 2011, AMD's CPUs had fallen progressively behind those from Intel in both single- and multi-core performance.[11] Despite a die shrink and several revisions of the Bulldozer architecture, performance and power efficiency failed to catch up with Intel's competing products.

Ryzen is the consumer-level implementation of the newer Zen microarchitecture, a complete redesign that marked the return of AMD to the high-end CPU market, offering a product stack able to compete with Intel at every level.[12][13] Having more processing cores, Ryzen processors offer greater multi-threaded performance at the same price point relative to Intel's Core processors.[14] The Zen architecture delivers more than 52% improvement in instructions-per-clock cycle over the previous-generation Bulldozer AMD core, without increasing power consumption.[15] The changes to instruction set also makes it binary-compatible with Intel's Broadwell, smoothing the transition for users.[16]

Threadripper, which is geared for high end desktops (HEDT), wasn't developed as part of a business plan or a specific roadmap; instead, a small enthusiast team inside AMD saw an opportunity that something could be developed between the Ryzen and Epyc CPU roadmaps that would put the crown of performance on AMD. After some progress was made in their spare time, the project was greenlit and put in an official roadmap by 2016.[17]

Since the release of Ryzen, AMD's CPU market share has increased while Intel appears to have stagnated.[10]

Features[edit]

CPUs[edit]

CPU features table

APUs[edit]

APU features table

Product lineup[edit]

Ryzen 1000[edit]

CPUs[edit]

  • Socket AM4 for Ryzen and Socket TR4 for Ryzen Threadripper.[18][19]
  • Based on first generation Zen. Ryzen CPUs based on Summit Ridge architecture. Threadripper based on Whitehaven architecture.
  • 4.8 billion transistors per 192 mm2[20] 8-core "Zeppelin" die[1] with one die being used for Ryzen and two for Ryzen Threadripper.
  • Stepping: B1[21]
  • Memory support:
    • Ryzen dual-channel: DDR4–2666 ×2 single rank, DDR4–2400 ×2 dual rank, DDR4–2133 ×4 single rank, or DDR4–1866 ×4 dual rank.[18][22]
    • Ryzen Threadripper quad-channel: DDR4–2666 ×4 single rank, DDR4–2400 ×4 dual rank, DDR4–2133 ×8 single rank, or DDR4–1866 ×8 dual rank.
  • Instructions Sets: x87, MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AES, CLMUL, AVX, AVX2, FMA3, CVT16/F16C, ABM, BMI1, BMI2, SHA.[16]
  • All Ryzen-branded CPUs (except Pro variants) feature unlocked multipliers.
  • AMD's SenseMI Technology monitors the processor continuously and uses Infinity Control Fabric to offer the following features:[18][23][24]
    • Pure Power reduces the entire ramp of processor voltage and clock speed, for light loads.
    • Precision Boost increases the processor voltage and clock speed by 100–200 MHz if three or more cores are active (five or more, in the case of Threadripper, and by 300 MHz); and significantly further when less than three are active (less than five, in the case of Threadripper).[25]
    • XFR (eXtended Frequency Range) aims to maintain the average clock speed closer to the maximum Precision Boost, when sufficient cooling is available.[26]
    • Neural Net Prediction and Smart Prefetch use perceptron based neural branch prediction inside the processor to optimize instruction workflow and cache management.
  • Ryzen launched in conjunction with a line of stock coolers for Socket AM4: the Wraith Stealth, Wraith Spire and Wraith Max. This line succeeds the original AMD Wraith cooler, which was released in mid-2016.[27] The Wraith Stealth is a bundled low-profile unit meant for the lower-end CPUs with a rating for a TDP of 65 W, whereas the Wraith Spire is the bundled mainstream cooler with a TDP rating of 95 W, along with optional RGB lighting on certain models. The Wraith Max is a larger cooler incorporating heatpipes, rated for a 140W TDP.
Model Release date
and price
Process Cores
(threads)
Clock rate (GHz) Cache[i] Socket PCIe lanes[ii] Memory support[iii] TDP
Base Precision boost
1–2
(≥3)
XFR[29]
1–2
L1 L2 L3
Entry-level
Ryzen 3 1200[30] July 27, 2017
US $109
GloFo
14LP
4 (4) 3.1 3.4
(3.1)
3.45 64 KB inst.
32 KB data
per core
512 KB
per core
8 MB AM4 24 DDR4-2667
dual-channel
65 W
Ryzen 3 Pro 1200 [31] July 27, 2017
OEM
3.1 3.4
(?)
?
Ryzen 3 Pro 1300 [32] July 27, 2017
OEM
3.5 3.7
(?)
?
Ryzen 3 1300X[33] July 27, 2017
US $129
3.5 3.7
(3.5)
3.9
Mainstream
Ryzen 5 1400 [34] April 11, 2017
US $169
GloFo
14LP
4 (8) 3.2 3.4
(3.4)
3.45 64 KB inst.
32 KB data
per core
512 KB
per core
8 MB AM4 24 DDR4-2667
dual-channel
65W
Ryzen 5 Pro 1500 [35] April 11, 2017
OEM
3.5 3.7
(?)
? 16 MB
Ryzen 5 1500X[36] April 11, 2017
US $189
3.5 3.7
(3.6)
3.9
Ryzen 5 1600 [37] April 11, 2017
US $219
6 (12) 3.2 3.6
(3.4)
3.7
Ryzen 5 Pro 1600 [38] April 11, 2017
OEM
3.2 3.6
(?)
?
Ryzen 5 1600X [39] April 11, 2017
US $249
3.6 4.0
(3.7)
4.1 95W
Performance
Ryzen 7 1700 [40] March 2, 2017
US $329
GloFo
14LP
8 (16) 3.0 3.7
(3.2)
3.75 64 KB inst.
32 KB data
per core
512 KB
per core
16 MB AM4 24 DDR4-2667
dual-channel
65W
Ryzen 7 Pro 1700 [41] March 2, 2017
OEM
3.4 3.8
(?)
? 65W
Ryzen 7 1700X [42] March 2, 2017
US $399 (without original fan, WOF)
3.4 3.8
(3.5)
3.9 95W
Ryzen 7 1800X [43] March 2, 2017
US $499 (WOF)
3.6 4.0
(3.7)
4.1 95W
High-end desktop (HEDT)
Ryzen Threadripper 1900X [44] August 31, 2017
US $549
GloFo
14LP
8 (16) 3.8 4.0
(3.9)
4.2 64 KB inst.
32 KB data
per core
512 KB
per core
16 MB TR4 64 DDR4-2667
quad-channel
180W
Ryzen Threadripper 1920X [45] August 10, 2017
US $799
12 (24) 3.5 4.0 4.2 32 MB
Ryzen Threadripper 1950X [46] August 10, 2017
US $999
16 (32) 3.4 4.0
(3.7)
4.2
  1. ^ AMD in its technical documentation uses KB, which it defines as Kilobyte and as equal to 1024 bytes, and MB, which it defines as Megabyte and as equal to 1024 KB.[28]
  2. ^ PCIe lane count includes 4 lanes used for connectivity to the chipset.
  3. ^ Official Support per AMD. CPU's are unlocked for different memory speeds.

Ryzen 2000[edit]

CPUs[edit]

The first Ryzen 2000 CPUs, based on the 12 nm Zen+ microarchitecture, were announced for preorder on April 13, 2018[47] and launched six days later. Zen+ based Ryzen CPUs are based on Pinnacle Ridge architecture,[48] while Threadripper CPUs are based on the Colfax microarchitecture. The first of the 2000 series of Ryzen Threadripper products, introducing Precision Boost Overdrive technology,[26] followed in August. The Ryzen 7 2700X was bundled with the new Wraith Prism cooler.

Model Release date
and price
Process Cores
(threads)
Clock rate (GHz) Cache[i] Socket PCIe
lanes[ii]
Memory
support
TDP Part number
Base PB2 L1 L2 L3
Entry-level
Ryzen 3 1200 AF

(12nm Refresh) [51]

April, 2020
US $60
GloFo
12LP (14LP+)
4 (4) 3.1 3.4 64 KB inst.
32 KB data
per core
512 KB
per core
8 MB AM4 24 DDR4-2933
dual-channel
65 W YD1200BBM4KAF
Ryzen 3 2300X [52] September 10, 2018
OEM
3.5 4.0
Mainstream
Ryzen 5 2500X [53] September 10, 2018
OEM
GloFo
12LP (14LP+)
4 (8) 3.6 4.0 64 KB inst.
32 KB data
per core
512 KB
per core
8 MB AM4 24 DDR4-2933
dual-channel
65W
Ryzen 5 2600E [54] September 2018
OEM
6 (12) 3.1 4.0 16 MB DDR4-2667
dual-channel
45 W
Ryzen 5 1600 AF
(12 nm refresh)[55]
October 11, 2019

US $85

3.2 3.6 DDR4-2933
dual-channel
65W YD1600BBM6IAF
Ryzen 5 2600 [56] April 19, 2018
US $199
3.4 3.9
Ryzen 5 2600X [57] April 19, 2018
US $229
3.6 4.2 95 W
November 23, 2018
UK £221.99
Performance
Ryzen 7 2700E [58] September 11, 2018
OEM
GloFo
12LP (14LP+)
8 (16) 2.8 4.0 64 KB inst.
32 KB data
per core
512 KB
per core
16 MB AM4 24 DDR4-2666
dual-channel
45 W
Ryzen 7 2700 [59] April 19, 2018
US $299
3.2 4.1 DDR4-2933
dual-channel
65 W
November 23, 2018
UK £285.49
Ryzen 7 Pro 2700 [60] April 2018
OEM
3.2 4.1
Ryzen 7 Pro 2700X [61] September 6, 2018
OEM
3.6 4.1 95W
Ryzen 7 2700X [62] April 19, 2018
US $329
3.7 4.3 105W
High-end desktop (HEDT)
Ryzen Threadripper 2920X [63] October 2018
US $649
GloFo
12LP (14LP+)
12 (24) 3.5 4.3 64 KB inst.
32 KB data
per core
512 KB
per core
32 MB TR4 64 DDR4-2933
quad-channel
180 W
Ryzen Threadripper 2950X [64] August 31, 2018
US $899
16 (32) 3.5 4.4
Ryzen Threadripper 2970WX [65] October 2018
US $1299
24 (48) 3.0 4.2 64 MB 250 W
Ryzen Threadripper 2990WX [66] August 13, 2018
US $1799
32 (64) 3.0 4.2
  1. ^ AMD defines 1 kilobyte (KB) as 1024 bytes, and 1 megabyte (MB) as 1024 kilobytes.[49]
  2. ^ PCIe lane count includes 4 lanes used for connectivity to the chipset.[50]

APUs[edit]

Desktop[edit]

In January 2018, AMD announced the first two Ryzen desktop APUs with integrated Radeon Vega graphics under the Raven Ridge codename. These were based on first generation Zen architecture. The Ryzen 3 2200G and the Ryzen 5 2400G were released in February.[67]

Model Release Date
& Price
Process CPU GPU Memory
support
TDP
(W)
Cores
(threads)
Clock rate (GHz) Cache[i] Model Config[ii] Clock Processing
power
(GFLOPS)[iii]
Base Boost L1 L2 L3
Ryzen 3 2200GE[69] April 19, 2018
OEM
GloFo
14LP
4 (4) 3.2 3.6 64 KiB inst.
32 KiB data
per core
512 KB
per core
4 MB RX Vega 8 512:32:16
8 CU
1100 MHz 1126 DDR4-2933
dual-channel
35
Ryzen 3 Pro 2200GE [70] May 10, 2018
OEM
Ryzen 3 2200G [71] February 12, 2018
US $99
3.5 3.7 65
Ryzen 3 Pro 2200G [72] May 10, 2018
OEM
Ryzen 5 2400GE [73] April 19, 2018
OEM
4 (8) 3.2 3.8 RX Vega 11 704:44:16
11 CU
1250 MHz 1760 35
Ryzen 5 Pro 2400GE [74] May 10, 2018
OEM
Ryzen 5 2400G [75] February 12, 2018
US $169
3.6 3.9 65
Ryzen 5 Pro 2400G[76] May 10, 2018
OEM
  1. ^ AMD defines 1 kilobyte (KB) as 1024 bytes, and 1 megabyte (MB) as 1024 kilobytes.[68]
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single-precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.
Mobile[edit]

In May 2017, AMD demonstrated a Ryzen mobile APU with four Zen CPU cores and Radeon Vega-based GPU.[77] The first Ryzen mobile APUs, codenamed Raven Ridge, were officially released in October 2017.[78]

  • 4.95 billion[79] transistors on a 210 mm2 die,[79] based on a modified 14 nm Zeppelin die where four of the cores are replaced by an integrated fifth-generation GCN-based GPU.
  • Precision Boost 2[48]
  • 16 external PCIe 3.0 lanes (four each to chipset and M.2 socket; eight to a PCIe slot). 16 internal PCIe 3.0 lanes for the integrated GPU and on-board I/O.[citation needed]

In 2019, AMD released some new dual core Zen mobile parts branded as 300 or 3000.

Model Release
date
Process CPU GPU Memory support TDP Part number
Cores
(threads)
Clock rate (GHz) Cache[i] Model Config[ii] Clock Processing
power
(GFLOPS)[iii]
Base Boost L1 L2 L3
Ryzen 3 2200U[81] January 8, 2018 GloFo
14LP
2 (4) 2.5 3.4 64 KB inst.
32 KB data
per core
512 KB
per core
4 MB Vega 3 192:12:4
3 CU [82]
1100 MHz 422.4 DDR4-2400
dual-channel
12–25 W YM2200C4T2OFB
Ryzen 3 3200U[83] January 6, 2019 2.6 3.5 1200 MHz 460.8 YM3200C4T2OFG
Ryzen 3 2300U[84] January 8, 2018 4 (4) 2.0 3.4 Vega 6 384:24:8
6 CU [85]
1100 MHz 844.8 YM2300C4T4MFB
Ryzen 3 Pro 2300U[86] May 15, 2018 [87] YM230BC4T4MFB
Ryzen 5 2500U[88] October 26, 2017[88] 4 (8) 3.6 Vega 8 512:32:16
8 CU [89]
1126.4 YM2500C4T4MFB
Ryzen 5 Pro 2500U[90] May 15, 2018 [87] YM250BC4T4MFB
Ryzen 5 2600H[91] September 10, 2018[92] 3.2 DDR4-3200
dual-channel
35–54 W YM2600C3T4MFB
Ryzen 7 2700U[93] October 26, 2017[93] 2.2 3.8 Vega 10 640:40:16
10 CU [94]
1300 MHz 1664 DDR4-2400
dual-channel
12–25 W YM2700C4T4MFB
Ryzen 7 Pro 2700U[95] May 15, 2018 [87] YM270BC4T4MFB
Ryzen 7 2800H[91] September 10, 2018[92] 3.3 Vega 11 704:44:16
11 CU
1830.4 DDR4-3200
dual-channel
35–54 W YM2800C3T4MFB
  1. ^ AMD in its technical documentation uses KB, which it defines as Kilobyte and as equal to 1024 bytes, and MB, which it defines as Megabyte and as equal to 1024 KB.[80]
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.
Embedded[edit]
Great Horned Owl[edit]

In February 2018, AMD announced the V1000 series of embedded Zen+ Vega APUs, based on the Great Horned Owl architecture, with four SKUs.[96]

Model Release
date
Process CPU GPU Memory
support
Ethernet TDP
(W)
Junction
temperature
(°C)
Cores
(threads)
Clock rate (GHz) Cache[i] Model Config[ii] Clock Processing
power
(GFLOPS)[iii]
Base Boost L1 L2 L3
V1500B[97] December 2018 GloFo
14LP
4 (8) 2.2 N/A 64 KB inst.
32 KB data
per core
512 KB
per core
4 MB N/A DDR4-2400
dual-channel
2× 10GbE 12–25 0–105
V1780B[97] 3.35 3.6 DDR4-3200
dual-channel
35–54
V1202B[97] February 2018 2 (4) 2.3 3.2 RX Vega 3 192:12:16
3 CU
1000 MHz 384 DDR4-2400
dual-channel
12–25
V1404I[97] December 2018 4 (8) 2.0 3.6 RX Vega 8 512:32:16
8 CU
1100 MHz 1126.4 −40 – 105
V1605B[97] February 2018 0–105
V1756B[97] 3.25 1300 MHz 1331.2 DDR4-3200
dual-channel
35–54
V1807B[97] 3.35 3.8 RX Vega 11 704:44:16
11 CU
1830.4
  1. ^ AMD defines 1 kilobyte (KB) as 1024 bytes, and 1 megabyte (MB) as 1024 kilobytes.
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single-precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.
Banded Kestrel[edit]

In April 2019, AMD announced another line of embedded Zen+Vega APUs, namely the Ryzen Embedded R1000 series with two SKUs.[98]

Model Release
date
Process CPU GPU Memory
support
TDP
Cores
(threads)
Clock rate (GHz) Cache[i] Model Config[ii] Clock Processing
power
(GFLOPS)[iii]
Base Boost XFR L1 L2 L3
R1102G [100] February 25, 2020 GloFo
14LP
2 (2) 1.2 2.6 Unknown 64KB inst.
32 KB data
per core
512KB
per core
4MB RX Vega 3 192:12:4
3 CU
1000 MHz 384 DDR4-2400
single-channel
6 W
R1305G[100] 2 (4) 1.5 2.8 Unknown DDR4-2400
dual-channel
8-10 W
R1505G[100] April 16, 2019 2.4 3.3 Unknown 12–25 W
R1606G[100] 2.6 3.5 Unknown 1200 MHz 460.8
  1. ^ AMD defines 1 kilobyte (KB) as 1024 bytes, and 1 megabyte (MB) as 1024 kilobytes.[99]
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single-precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.

Ryzen 3000[edit]

CPUs[edit]

On May 27, 2019, at Computex in Taipei, AMD launched its third generation Ryzen processors which use AMD's Zen 2 architecture. In this generation, Ryzen CPUs utilize the Matisse microarchitecture, while Threadrippers are based on the Castle Peak microarchitecture. The chiplet design separates the CPU cores, fabricated on TSMC's 7FF process, and the I/O, fabricated on GlobalFoundries' 12nm process, and connects them via Infinity Fabric.[101] The Ryzen 3000 series uses the AM4 socket similar to earlier models and is the first CPU to offer PCIe version 4 connectivity.[102] The new architecture offers a 15% instruction-per-clock (IPC) uplift and a "significant" reduction in energy usage. Other improvements include a doubling of the L3 cache size, a re-optimized L1 instruction cache, a larger micro-operations cache, double the floating point performance, improved branch prediction, and better instruction pre-fetching.[101] The 6-, 8- and 12-core SKUs became generally available on July 7, 2019, and 24-core processors were launched in November.[103]

The Ryzen Threadripper 3990X, part of Castle Peak generation of CPUs, has currently the world's largest number of both cores and threads available in consumer-oriented CPUs - 64 and 128, respectively. The competing Intel Core i9-10980XE processor has only 18 cores and 36 threads. Another competitor, the workstation-oriented Intel Xeon W-3275 and W-3275M, has 28 cores and 56 threads and were more expensive when launched.

Model Release date
and price
Process Cores/FPUs
(threads)
Clock rate (GHz) Cache[a] Socket PCIe
lanes
Memory
support
TDP Stock cooler (box)[b]
Base Boost L1 L2 L3
Entry-level
Ryzen 3 3100[104] April 21, 2020
$99
TSMC
7FF
4 (8) 3.6 3.9 32 KB inst.
32 KB data
per core
512 KB
per core
16 MiB AM4 24 DDR4-3200
dual-channel
65 W Wraith Stealth
Ryzen 3 3300X[105] April 21, 2020
$120
3.8 4.3
Mainstream
Ryzen 5 3500 November 15, 2019
OEM (West)
Japan ¥16000[106]
TSMC
7FF
6 (6) 3.6 4.1 32 KB inst.
32 KB data
per core
512 KB
per core
16 MiB AM4 24 DDR4-3200
dual-channel
65 W Wraith Spire
Ryzen 5 3500X[107] October 8, 2019
China ¥1099
32 MiB Wraith Stealth
Ryzen 5 3600[108] July 7, 2019
US $199
6 (12) 3.6 4.2
Ryzen 5 Pro 3600[109] September 30, 2019
OEM
N/A
Ryzen 5 3600X[110] July 7, 2019
US $249
3.8 4.4 95 W Wraith Spire v2
Ryzen 5 3600XT[111] July 7, 2020
US $249
4.5
Performance
Ryzen 7 Pro 3700[112] September 30, 2019
OEM
TSMC
7FF
8 (16) 3.6 4.4 32 KB inst.
32 KB data
per core
512 KB
per core
32 MiB AM4 24 DDR4-3200
dual-channel
65 W[c] N/A
Ryzen 7 3700X[114] July 7, 2019
US $329
Wraith Prism
Ryzen 7 3800X[115] July 7, 2019
US $399
3.9 4.5 105 W
Ryzen 7 3800XT[116] July 7, 2020
US $399
4.7 N/A
Enthusiast
Ryzen 9 3900[117] October 8, 2019
OEM
TSMC
7FF
12 (24) 3.1 4.3 32 KB inst.
32 KB data
per core
512 KB
per core
64 MiB AM4 24 DDR4-3200
dual-channel
65 W N/A
Ryzen 9 Pro 3900[118] September 30, 2019
OEM
Ryzen 9 3900X[119] July 7, 2019
US $499
3.8 4.6 105 W[d] Wraith Prism
Ryzen 9 3900XT[120] July 7, 2020
US $499
4.7 N/A
Ryzen 9 3950X[121] November 25, 2019
US $749
16 (32) 3.5 N/A
High End Desktop
Ryzen Threadripper 3960X[122] November 25, 2019
US $1399
TSMC
7FF
24 (48) 3.8 4.5 32 KB inst.
32 KB data
per core
512 KB
per core
128 MiB sTRX4 64 DDR4-3200
quad-channel
280 W[e] N/A
Ryzen Threadripper 3970X[124] November 25, 2019
US $1999
32 (64) 3.7 4.5
Ryzen Threadripper 3990X[125] February 7, 2020
US $3990
64 (128) 2.9 4.3 256 MiB
Workstation
Ryzen Threadripper Pro 3945WX[126] July 14, 2020
OEM
TSMC
7FF
12 (24) 4.0 4.4 32 KB inst.
32 KB data
per core
512 KB
per core
64 MiB sWRX8 128 DDR4-3200
octa-channel
280 W N/A
Ryzen Threadripper Pro 3955WX[127] July 14, 2020
OEM
16 (32) 3.9
Ryzen Threadripper Pro 3975WX[128] July 14, 2020
OEM
32 (64) 3.5 4.35 128 MiB
Ryzen Threadripper Pro 3995WX[129] July 14, 2020
OEM
64 (128) 2.7 4.3 256 MiB
  1. ^ AMD in its technical documentation uses "KB", which it defines as "Kilobyte" and as equal to 1024 bytes (1 KiB), and "MB", which it defines as "Megabyte" and as equal to 1024 "KB" (1 MiB).[49]
  2. ^ A box without cooler might also be available (WOF).
  3. ^ Ryzen 7 3700X may consume over 90 W under load.[113]
  4. ^ Ryzen 9 3900X and Ryzen 9 3950X may consume over 145 W under load.[113]
  5. ^ Ryzen Threadripper 3990X may consume over 490 W under load.[123]

The 4-, 6- and 8-core processors have one core chiplet. The 12- and 16-core processors have two core chiplets. In all cases the I/O die is the same.[101]

The Threadripper 24- and 32-core processors have four core chiplets. The 64-core processor has eight core chiplets. All Threadripper processors use the same I/O die.

APUs[edit]

Both mobile and desktop APUs are based on the Picasso microarchitecture, a 12 nm refresh of Raven Ridge, offering a modest increase in clock speeds (up to an additional 300 MHz maximum boost), Precision Boost 2, an up to 3% increase in IPC from the move to the Zen+ core with its reduced cache and memory latencies, and newly added solder thermal interface material for the desktop parts.[130]

Desktop[edit]
Model Release date,
and price
Fab CPU GPU Memory
support
TDP
Cores
(threads)
Clock rate (GHz) Cache[a] Model Config[b] Clock Processing
power
(GFLOPS)[c]
Base Boost L1 L2 L3
Ryzen 3 Pro 3200GE[132] September 30, 2019 12nm 4 (4) 3.3 3.8 64 KB inst.
32 KB data
per core
512 KB
per core
4 MB RX Vega 8 512:32:16
8 CU
1200 MHz 1228.8 DDR4-2933
dual-channel
35 W
Ryzen 3 3200G[130] July 7, 2019
US $99
3.6 4.0 1250 MHz 1280 65 W
Ryzen 3 Pro 3200G[132] September 30, 2019
Ryzen 5 Pro 3400GE[132] 4 (8) 3.3 4.0 RX Vega 11 704:44:16
11 CU
1300 MHz 1830.4 35 W
Ryzen 5 3400G[130] July 7, 2019
US $149
3.7 4.2 1400 MHz 1971.2 65 W
Ryzen 5 Pro 3400G[132] September 30, 2019
  1. ^ AMD defines 1 kilobyte (KB) as 1024 bytes, and 1 megabyte (MB) as 1024 kilobytes.[131]
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single-precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.
Mobile[edit]

In 2019, AMD first released the Ryzen 3000 APUs, consisting only of quad core parts. Then in January 2020, they announced value dual core mobile parts, codenamed Dalí, including the Ryzen 3 3250U.

Model Release
date
Process CPU GPU Memory support TDP Part number
Cores
(threads)
Clock rate (GHz) Cache[i] Model Config[ii] Clock Processing
power
(GFLOPS)[iii]
Base Boost L1 L2 L3
Ryzen 3 3200U[133] January 6, 2019 GloFo
14LP
2 (4) 2.3 3.2 64 KB inst.
32 KB data
per core
512 KB
per core
4 MB Vega 3 192:12:14
3 CU
1200 MHz 460.8 DDR4-2400
dual-channel
12-25 W YM3200C4T2OFG
Ryzen 3 3250U[134] January 6, 2020 YM3250C4T2OFG
Ryzen 3 3300U[135] January 6, 2019 GloFo
12LP (14LP+)
4 (4) 2.1 3.5 Vega 6 384:24:8
6 CU
1200 MHz 921.6 15 W YM3300C4T4MFG
Ryzen 3 Pro 3300U[136] YM330BC4T4MFG
Ryzen 5 3500U[137] 4 (8) 3.7 Vega 8 512:32:16
8 CU
1228.8 YM3500C4T4MFG
Ryzen 5 Pro 3500U[138] YM350BC4T4MFG
Ryzen 5 3550H[139] 35 W YM3500C4T4MFG
Ryzen 5 3580U[140] October 2019 Vega 9 576:36:16
9 CU
1300 MHz 1497.6 15 W
Ryzen 7 3700U[141] January 6, 2019 2.3 4.0 Vega 10 640:40:16
10 CU
1400 MHz 1792.0 YM3700C4T4MFG
Ryzen 7 Pro 3700U[142] YM370BC4T4MFG
Ryzen 7 3750H[143] 35 W YM3700C4T4MFG
Ryzen 7 3780U[144] October 2019 Vega 11 704:44:16
11 CU
1971.2 15 W
  1. ^ AMD defines 1 kilobyte (KB) as 1024 bytes, and 1 megabyte (MB) as 1024 kilobytes.
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.

Ryzen 4000[edit]

CPUs[edit]

Desktop Ryzen 4000 CPUs, based on the Zen 3 microarchitecture, are expected to be released on October 8, 2020.[145][146] They use an improved 7 nm manufacturing process. Mainstream Ryzen 4000 CPU cores are codenamed Vermeer. Enthusiast/workstation Threadripper 4000 CPU cores are codenamed Genesis.

APUs[edit]

The Ryzen 4000 APUs are based on Renoir, a refresh of the Zen 2 Matisse CPU cores, coupled with Radeon Vega GPU cores. They were released only to OEM manufacturers in mid-2020.

Desktop[edit]
Model Release date,
and price
Fab CPU GPU Memory
support
TDP
Cores
(threads)
Clock rate (GHz) Cache[a] Model Config[b] Clock Processing
power
(GFLOPS)[c]
Base Boost L1 L2 L3
Ryzen 3 4300GE [148] 2H 2020 [149] TSMC
7FF
4 (8) 3.5 4.0 32 KB inst.
32 KB data
per core
512 KB
per core
8 MB 7nm Vega 6 384:24:8
6 CU
1700 MHz 1305.6 DDR4-3200
dual-channel
35 W
Ryzen 3 Pro 4350GE[148]
Ryzen 3 4300G[148] 3.8 4.0 65 W
Ryzen 3 Pro 4350G[148]
Ryzen 5 4600GE[148] 6 (12) 3.3 4.2 7nm Vega 7 448:28:8
7 CU
1900 MHz 1702.4 35 W
Ryzen 5 Pro 4650GE[148]
Ryzen 5 4600G[148] 3.7 4.2 65 W
Ryzen 5 Pro 4650G[148]
Ryzen 7 4700GE[148] 8 (16) 3.1 4.3 7nm Vega 8 512:32:8
8 CU
2000 MHz 2048 35 W
Ryzen 7 Pro 4750GE[148]
Ryzen 7 4700G[148] 3.6 4.4 2100 MHz 2150.4 65 W
Ryzen 7 Pro 4750G[148]
  1. ^ AMD defines 1 kilobyte (KB) as 1024 bytes, and 1 megabyte (MB) as 1024 kilobytes.[147]
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single-precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.
Mobile[edit]

Zen 2 APUs, based on the 7 nm Renoir microarchitecture, commercialized as Ryzen 4000.[150][151][152]

Model Release
date
Process CPU GPU Memory support TDP Part number
Cores
(threads)
Clock rate (GHz) Cache[a] Model &
config[b]
Clock Processing
power
(GFLOPS)[c]
Base Boost L1 L2 L3
Ryzen 3 4300U[153] March 16, 2020 TSMC
7FF
4 (4) 2.7 3.7 32 KB inst.
32 KB data
per core
512 KB
per core
4 MB 7nm Vega 5
320:20:8
5 CU
1400 MHz 896 DDR4-3200

LPDDR4-4266

dual-channel

10-25W 100-000000085
Ryzen 3 PRO 4450U[154] May 7, 2020 4 (8) 2.5 100-000000104
Ryzen 5 4500U[155] March 16, 2020 6 (6) 2.3 4.0 8 MB 7nm Vega 6
384:24:8
6 CU
1500 MHz 1152 100-000000084
Ryzen 5 4600U[156] 6 (12) 2.1 100-000000105
Ryzen 5 PRO 4650U[157] May 7, 2020 100-000000103
Ryzen 5 4600HS[158] March 16, 2020 3.0 35 W
Ryzen 5 4600H[159] 35-54 W 100-000000100
Ryzen 7 4700U[160] 8 (8) 2.0 4.1 7nm Vega 7
448:28:8
7 CU
1600 MHz 1433.6 10-25 W 100-000000083
Ryzen 7 PRO 4750U[161] May 7, 2020 8 (16) 1.7 100-000000101
Ryzen 7 4800U[162] March 16, 2020 1.8 4.2 7nm Vega 8
512:32:8
8 CU
1750 MHz 1792 100-000000082
Ryzen 7 4800HS[163] 2.9 7nm Vega 7
448:28:8
7 CU
1600 MHz 1433.6 35 W
Ryzen 7 4800H[164] 35-54 W 100-000000098
Ryzen 9 4900HS[165] 3 4.3 7nm Vega 8
512:32:8
8 CU
1750 MHz 1792 35 W
Ryzen 9 4900H[166] 3.3 4.4 35-54W
  1. ^ AMD in its technical documentation uses KB, which it defines as Kilobyte and as equal to 1024 bytes, and MB, which it defines as Megabyte and as equal to 1024 KB.
  2. ^ Unified Shaders : Texture Mapping Units : Render Output Units and Compute Units (CU)
  3. ^ Single precision performance is calculated from the base (or boost) core clock speed based on a FMA operation.

Initial reception[edit]

The first Ryzen 7 (1700, 1700X, and 1800X) processors debuted in early March 2017 and were generally well received by hardware reviewers.[167][168][169] Ryzen was the first brand new architecture from AMD in five years, and without very much initial fine-tuning or optimization, it ran generally well for reviewers.[170] Initial Ryzen chips ran well with software and games already on the market, performing exceptionally well in workstation scenarios, and well in most gaming scenarios. Compared to Piledriver-powered FX chips, Zen-powered Ryzen chips ran cooler, much faster, and used less power. IPC uplift was eventually gauged to be 52% higher than Excavator, which was two full generations ahead of the architecture still being used in AMD's FX-series desktop predecessors like the FX-8350 and FX-8370.[1] Though Zen fell short of Intel's Kaby Lake in terms of IPC, and therefore single-threaded throughput, it compensated by offering more cores to applications that can use them. Power consumption and heat were found to be highly competitive with Intel, and the included Wraith coolers were generally competitive with higher-priced aftermarket solutions.

Ryzen 1800X's multi-threaded performance, in some cases while using Blender or other open-source software, was around four times the performance of the FX-8370, or nearly double that of the i7 7700K.[171] One reviewer found that Ryzen chips would typically outperform competing Intel i7 processors for a fraction of the price when all eight cores were utilized.[171]

One complaint among a subset of reviewers, however, was that Ryzen processors fell behind their Intel counterparts when running older games, or running certain newer games at mainstream resolutions such as 720p or 1080p.[172] AMD acknowledged the gaming performance deficit at low resolutions during a Reddit "Ask Me Anything" thread, where it explained that updates and patches were being developed.[173] Subsequent updates to Ashes of the Singularity: Escalation and Rise of the Tomb Raider increased frame rates by 17 to 31% on Ryzen systems.[174][175] Developer id Software announced in April 2017 it would optimize its future games to make use of the greater parallelism available on Ryzen CPUs.[176]

It has been suggested that low threaded applications often result in Ryzen processors being underutilized, producing lower than expected benchmark scores, due to the fact that Zen relies on its core count to make up for its lower IPC rating than that of Kaby Lake.[177][178][179] However, AMD and others have argued thread scheduling is not the fundamental issue to Windows 10 performance.[180][181] Early AM4 motherboards were also hindered by BIOS bugs and poor DDR4 memory support.[citation needed]

Operating system support[edit]

Windows[edit]

AMD verified that computers with Ryzen CPUs can boot Windows 7 and Windows 8 but on newer hardware, including AMD Ryzen and Intel Kaby Lake and later, Microsoft only officially supports the use of Windows 10. Windows Update blocks updates from being installed on newer systems running older versions of Windows, though that restriction can be circumvented with an unofficial patch.[182]

Although AMD initially announced that Ryzen chipset drivers would not be provided for Windows 7,[183] its chipset driver packages do in fact list and include them.[184]

Linux[edit]

Full support for Ryzen processors' performance features in Linux requires kernel version 4.10 or newer.[185]

Known issues[edit]

Spectre[edit]

Like nearly all modern high performance microprocessors, Ryzen was susceptible to the "Spectre" vulnerabilities. The vulnerabilities can be mitigated without hardware changes via microcode updates and operating system workarounds, but the mitigations incur a performance penalty.[186] AMD Ryzen and Epyc suffer up to 9% penalty from the mitigations, depending on workload, comparing favorably with a penalty of in some cases more than 50% for Intel Core and Xeon processors,[187][188] in part as a result of the AMD processors not requiring mitigation against the related Meltdown vulnerability.[189]

Launched in 2019, Zen 2 includes hardware mitigations against the Spectre V4 speculative store bypass vulnerability.[101][190]

Segmentation fault[edit]

Some early shipments of Ryzen 1000 series processors produced segmentation faults on certain workloads on Linux, especially while compiling code with GCC.[191] AMD offered to replace the affected processors with newer ones that are not affected by the problem.[192]

Alleged issues by CTS Labs[edit]

In early 2018, Israeli cyber-security consultancy firm CTS Labs stated that they had discovered several major flaws in the Ryzen components ecosystem,[193] publicly disclosing them after giving AMD 24 hours to respond and raising concerns and questions regarding their legitimacy,[194][195] though they were later confirmed by two separate security firms.[196] AMD has since stated that while the flaws are real and would be fixed via microcode updates, their severity was overstated as physical access to the hardware is required to exploit the flaws.[197]

See also[edit]

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