Intel Core i9 10900KF vs AMD Ryzen 9 3900X
We compared two desktop CPUs: the 3.7 GHz Intel Core i9 10900KF with 10-cores against the 3.8 GHz AMD Ryzen 9 3900X with 12-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
NanoReview Final Score
Generic CPU rating
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score when comparing desktop CPUs.
Key Differences
Advantages of Intel Core i9 10900KF
- Newer - released 10-months later
- 15% higher Turbo Boost frequency (5.3 GHz vs 4.6 GHz)
Advantages of AMD Ryzen 9 3900X
- Has 45056 KB larger L3 cache size
- More modern manufacturing process – 7 versus 14 nanometers
- Newer PCI Express version – 4.0
- Has 2 more physical cores
- Around 1.88 GB/s (4%) higher theoretical memory bandwidth
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench R23
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Cinebench R23 CPU Scores (82nd and 67th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 714.6 MB/sec | 872.1 MB/sec |
| Clang compilation | 90.6 Klines/sec | 104.4 Klines/sec |
| HTML 5 Browser | 205.5 pages/sec | 209.4 pages/sec |
| PDF Renderer | 319.1 Mpixels/sec | 299.9 Mpixels/sec |
| Text processing | 182.6 pages/sec | 144.4 pages/sec |
| Background blur | 43 images/sec | 41.1 images/sec |
| Photo processing | 78.1 images/sec | 75.2 images/sec |
| Ray tracing | 20.1 Mpixels/sec | 24.4 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 85.4 GOps/sec | 100 GOps/sec |
| Floating point math | 53.3 GOps/sec | 58.6 GOps/sec |
| Find prime numbers | 63M Primes/sec | 215M Primes/sec |
| Random string sorting | 46.9M Strings/sec | 48.7M Strings/sec |
| Data encryption | 7.9 GBytes/sec | 28.7 GBytes/sec |
| Data compression | 377.2 MBytes/sec | 449.4 MBytes/sec |
| Physics | 1032 Frames/sec | 1815 Frames/sec |
| Extended instructions | 24.8B Matrices/sec | 29.3B Matrices/sec |
Value for money
Enter the current prices of the CPUs and click "Calculate" to determine which one has a better value-to-performance ratio.
Promotion
Specifications
Full technical specification of Intel Core i9 10900KF and AMD Ryzen 9 3900XGeneral
| Vendor | Intel | Amd |
| Released | May 1, 2020 | July 7, 2019 |
| Type | Desktop | Desktop |
| instruction set | x86-64 | x86-64 |
| Codename | Comet Lake | - |
| Model number | i9-10900KF | - |
| Integrated GPU | No | No |
Desktop CPUs rating (83rd and 84th place)
CPU
| P-Cores | 10 | 12 |
| P-Threads | 20 | 24 |
| Base Frequency (P) | 3.7 GHz | 3.8 GHz |
| Turbo Boost Frequency (P) | 5.3 GHz | 4.6 GHz |
| Total Cores | 10 | 12 |
| Total Threads | 20 | 24 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 37x | 38x |
| Bus Bandwidth | 8 GT/s | - |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 256K (per core) | 512K (per core) |
| L3 Cache | 20MB (shared) | 64MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Transistors | - | 3.8 billions |
| Fabrication process | 14 nm | 7 nm |
| TDP (PL1) | 125 W | 105 W |
| Socket | LGA-1200 | AM4 |
| Peak temperature | 100°C | 95°C |
Memory Support
| Memory types | - DDR4-2933 | - DDR4-3200 |
| Memory Size | 128 GB | 128 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 45.8 GB/s | 47.68 GB/s |
| ECC Support | No | Yes |
Misc
| Official site | Intel Core i9 10900KF official page | AMD Ryzen 9 3900X official page |
| PCI Express Version | 3.0 | 4.0 |
| PCI Express Lanes | 16 | 16 |
Cast your vote
Total votes: 89
