[nextpage title=”Main Specs”]
With more and more graphics chips being released every day, it became very complicated for the user who does not follow the video card market to know the differences among all AMD (ATI) graphic chips on the market today. To facilitate knowing and understanding the differences among major AMD (ATI) chips, we have compiled the following table.
It is important to note that beginning in 2007, both AMD (ATI) and NVIDIA started referring to the memory clock of their video cards with the real clock rate used. In the past, manufacturers referred to the memory clocks with double (or quadruple) their real clock rate, because DDR and other technologies based on it (DDR2, GDDR3, etc.) allow the memory chip to transfer two data blocks per clock cycle, while GDDR5 memories allow the memory chip to transfer four data data blocks per clock cycle. So, a video card with a memory chip running at 500 MHz would be referred to as having a 1 GHz memory. In order to make our table comparable to older chips, we still use the effective memory clock and not the real memory clock.
In 2010, AMD, which bought ATI in 2006, stopped using the brand, ATI.
| GPU | Core Clock | Turbo Clock | Memory Clock | Memory Interface | Memory Transfer Rate | Proc. | DirectX | PCIe |
| Radeon 9200 | 250 MHz | – | 400 MHz | 128-bit | 6.4 GB/s | 4 | 8.1 | AGP 8x |
| Radeon 9200 Pro | 275 MHz | – | 550 MHz | 128-bit | 8.8 GB/s | 4 | 8.1 | AGP 8x |
| Radeon 9200 SE | 200 MHz | – | 333 MHz | 64-bit | 2.6 GB/s | 4 | 8.1 | AGP 8x |
| Radeon 9250 | 240 MHz | – | 400 MHz | 128-bit | 6.4 GB/s | 4 | 8.1 | AGP 8x |
| Radeon 9250 SE | 240 MHz | – | 400 MHz | 64-bit | 3.2 GB/s | 4 | 8.1 | AGP 8x |
| Radeon 9500 | 275 MHz | – | 540 MHz | 128-bit | 8.6 GB/s | 4 | 9.0 | AGP 8x |
| Radeon 9550 | 250 MHz | – | 400 MHz | 128-bit | 6.4 GB/s | 4 | 9.0 | AGP 8x |
| Radeon 9550 SE | 250 MHz | – | 400 MHz | 64-bit | 3.2 GB/s | 4 | 9.0 | AGP 8x |
| Radeon 9500 Pro | 275 MHz | – | 540 MHz | 128-bit | 8.6 GB/s | 8 | 9.0 | AGP 8x |
| Radeon 9600 | 325 MHz | – | 400 MHz | 128-bit | 6.4 GB/s | 4 | 9.0 | AGP 8x |
| Radeon 9600 Pro | 400 MHz | – | 600 MHz | 128-bit | 9.6 GB/s | 4 | 9.0 | AGP 8x |
| Radeon 9600 SE | 325 MHz | – | 400 MHz | 64-bit | 3.2 GB/s | 4 | 9.0 | AGP 8x |
| Radeon 9600 XT | 500 MHz | – | 600 MHz | 128-bit | 9.6 GB/s | 4 | 9.0 | AGP 8x |
| Radeon 9700 | 275 MHz | – | 540 MHz | 256-bit | 17.2 GB/s | 8 | 9.0 | AGP 8x |
| Radeon 9700 Pro | 325 MHz | – | 620 MHz | 256-bit | 19.8 GB/s | 8 | 9.0 | AGP 8x |
| Radeon 9800 | 325 MHz | – | 580 MHz | 256-bit | 18.56 GB/s | 8 | 9.0 | AGP 8x |
| Radeon 9800 Pro | 380 MHz | – | 680 MHz | 256-bit | 21.7 GB/s | 8 | 9.0 | AGP 8x |
| Radeon 9800 SE | 325 MHz | – | 500 MHz | 128-bit or 256-bit | 8 GB/s or 16 GB/s | 4 | 9.0 | AGP 8x |
| Radeon 9800 XT | 412 MHz | – | 730 MHz | 256-bit | 23.3 GB/s | 8 | 9.0 | AGP 8x |
| Radeon X300 SE | 325 MHz | – | 400 MHz | 64-bit | 3.2 GB/s | 4 | 9.0 | 1.1 |
| Radeon X300 | 325 MHz | – | 400 MHz | 128-bit | 6.4 GB/s | 4 | 9.0 | 1.1 |
| Radeon X550 | 400 MHz | – | 500 MHz | 128-bit or 64-bit | 8 GB/s or 4 GB/s | 4 | 9.0 | 1.1 |
| Radeon X600 Pro | 400 MHz | – | 600 MHz | 128-bit | 9.6 GB/s | 4 | 9.0 | 1.1 |
| Radeon X600 XT | 500 MHz | – | 730 MHz | 128-bit | 11.68 GB/s | 4 | 9.0 | 1.1 |
| Radeon X700 | 400 MHz | – | 600 MHz | 128-bit | 9.6 GB/s | 8 | 9.0 | 1.1 |
| Radeon X700 Pro | 420 MHz | – | 864 MHz | 128-bit | 13.8 GB/s | 8 | 9.0 | 1.1 |
| Radeon X700 XT | 475 MHz | – | 1.05 GHz | 128-bit | 16.8 GB/s | 8 | 9.0 | 1.1 |
| Radeon X800 SE | * | – | * | * | * | 8 | 9.0 | 1.1 |
| Radeon X800 | 400 MHz | – | 700 MHz | 256-bit | 22.4 GB/s | 12 | 9.0 | 1.1 |
| Radeon X800 XL | 400 MHz | – | 1 GHz | 256-bit | 32 GB/s | 16 | 9.0 | 1.1 |
| Radeon X800 GT | 475 MHz | – | * | 128-bit or 256-bit | * | 8 | 9.0 | 1.1 |
| Radeon X800 GTO | 400 MHz | – | * | 256-bit | * | 12 | 9.0 | 1.1 |
| Radeon X800 Pro | 475 MHz | – | 950 MHz | 256-bit | 30.4 GB/s | 12 | 9.0 | 1.1 |
| Radeon X800 XT | 500 MHz | – | 1 GHz | 256-bit | 32 GB/s | 16 | 9.0 | 1.1 |
| Radeon X800 XT PE | 520 MHz | – | 1.12 GHz | 256-bit | 35.8 GB/s | 16 | 9.0 | 1.1 |
| Radeon X850 Pro | 520 MHz | – | 1.08 GHz | 256-bit | 34.56 GB/s | 12 | 9.0 | 1.1 |
| Radeon X850 XT | 520 MHz | – | 1.08 GHz | 256-bit | 34.56 GB/s | 16 | 9.0 | 1.1 |
| Radeon X850 PE | 540 MHz | – | 1.18 GHz | 256-bit | 37.76 GB/s | 16 | 9.0 | 1.1 |
| Radeon X1050 | * | – | * | * | * | 4 | 9.0c | 1.1 |
| Radeon X1300 HM | 450 MHz | – | 1 GHz | 128-bit or 64-bit or 32-bit | 16 GB/s or 8 GB/s or 4 GB/s | 4 | 9.0c | 1.1 |
| Radeon X1300 | 450 MHz | – | 500 MHz | 128-bit or 64-bit or 32-bit | 8 GB/s or 4 GB/s or 2 GB/s | 4 | 9.0c | 1.1 |
| Radeon X1300 Pro | 600 MHz | – | 800 MHz | 128-bit or 64-bit or 32-bit | 12.8 GB/s or 6.4 GB/s or 3.2 GB/s | 4 | 9.0c | 1.1 |
| Radeon X1300 XT | 500 MHz | – | 800 MHz (DDR2) or 1 GHz (GDDR3) | 128-bit | 12.8 GB/s or 16 GB/s | 12 | 9.0c | 1.1 |
| Radeon X1550 | 450 MHz or 550 MHz or 600 MHz | – | 800 MHz | 64-bit or 128-bit | 6.4 GB/s or 12.8 GB/s | 4 | 9.0c | 1.1 |
| Radeon X1600 Pro | 500 MHz or 575 MHz | – | 780 MHz | 128-bit | 12.48 GB/s | 12 | 9.0c | 1.1 |
| Radeon X1600 XT | 590 MHz | – | 1.38 GHz | 128-bit | 22.08 GB/s | 12 | 9.0c | 1.1 |
| Radeon X1650 Pro | 600 MHz | – | 1.40 GHz | 128-bit | 22.40 GB/s | 12 | 9.0c | 1.1 |
| Radeon X1650 XT | 575 MHz | – | 1.35 GHz | 128-bit | 21.60 GB/s | 24 | 9.0c | 1.1 |
| Radeon X1800 GTO | 500 MHz | – | 1 GHz | 256-bit | 32 GB/s | 12 | 9.0c | 1.1 |
| Radeon X1800 XL | 500 MHz | – | 1 GHz | 256-bit | 32 GB/s | 16 | 9.0c | 1.1 |
| Radeon X1800 XT | 625 MHz | – | 1.5 GHz | 256-bit | 48 GB/s | 16 | 9.0c | 1.1 |
| Radeon X1900 GT | 575 MHz | – | 1.2 GHz | 256-bit | 38.4 GB/s | 36 | 9.0c | 1.1 |
| Radeon X1900 XT | 625 MHz | – | 1.45 GHz | 256-bit | 46.4 GB/s | 48 | 9.0c | 1.1 |
| Radeon X1900 XTX | 650 MHz | – | 1.55 GHz | 256-bit | 49.6 GB/s | 48 | 9.0c | 1.1 |
| Radeon X1950 GT | 500 MHz | – | 1.2 GHz | 256-bit | 38.4 GB/s | 36 | 9.0c | 1.1 |
| Radeon X1950 Pro | 575 MHz | – | 1.38 GHz | 256-bit | 44.16 GB/s | 36 | 9.0c | 1.1 |
| Radeon X1950 XT | 625 MHz | – | 1.8 GHz | 256-bit | 57.6 GB/s | 48 | 9.0c | 1.1 |
| Radeon X1950 XTX | 650 MHz | – | 2 GHz | 256-bit | 64 GB/s | 48 | 9.0c | 1.1 |
| Radeon HD 2400 Pro | 525 MHz | – | 800 MHz | 64-bit | 6.4 GB/s | 40 | 10 | 1.1 |
| Radeon HD 2400 XT | 700 MHz | – | 1.6 GHz | 64-bit | 12.8 GB/s | 40 | 10 | 1.1 |
| Radeon HD 2600 Pro | 600 MHz | – | 800 MHz | 128-bit | 12.8 GB/s | 120 | 10 | 1.1 |
| Radeon HD 2600 XT | 800 MHz | – | 1.6 GHz (GDDR3) or 2.2 GHz (GDDR4) | 128-bit | 25.6 GB/s (GDDR3) or 35.2 GB/s (GDDR4) | 120 | 10 | 1.1 |
| Radeon HD 2900 GT | 600 MHz | – | 1.6 GHz | 256-bit | 51.2 GB/s | 240 | 10 | 1.1 |
| Radeon HD 2900 Pro | 600 MHz | – | 1.85 GHz | 512-bit | 118.4 GB/s | 320 | 10 | 1.1 |
| Radeon HD 2900 XT | 740 MHz | – | 1.65 GHz (GDDR3) or 2 GHz (GDDR4) | 512-bit | 105.6 GB/s (GDDR3) or 128 GB/s (GDDR4) | 320 | 10 | 1.1 |
| Radeon HD 3450 | 600 MHz | – | 1 GHz | 64-bit | 8 GB/s | 40 | 10.1 | 2.0 |
| Radeon HD 3470 | 800 MHz | – | 1.90 GHz | 64-bit | 15.2 GB/s | 40 | 10.1 | 2.0 |
| Radeon HD 3650 | 725 MHz | – | 1 GHZ (DDR2) or 1.6 GHz (GDDR3) | 128-bit | 16 GB/s (DDR2) or 25.6 GB/s (GDDR3) | 120 | 10.1 | 2.0 |
| Radeon HD 3690 | 668 MHz | – | 1,656 MHz | 128-bit | 26.5 GB/s | 120 | 10.1 | 2.0 |
| Radeon HD 3850 | 670 MHz | – | 1.66 GHz | 256-bit | 53.12 GB/s | 320 | 10.1 | 2.0 |
| Radeon HD 3870 | 775 MHz | – | 2.25 GHz | 256-bit | 72 GB/s | 320 | 10.1 | 2.0 |
| Radeon HD 3870 X2† | 825 MHz x2 | – | 1.8 GHz x2 | 256-bit x2 | 57.6 GB/s x2 | 320 | 10.1 | 2.0 |
| Radeon HD 4350 | 600 MHz | – | 1 GHz | 64-bit | 8 GB/s | 80 | 10.1 | 2.0 |
| Radeon HD 4550 | 800 MHz | – | 1.6 GHz | 64-bit | 12.8 GB/s | 80 | 10.1 | 2.0 |
| Radeon HD 4650 | 600 MHz | – | 1 GHz or 1.4 GHz | 128-bit | 16 GB/s or 22.4 GB/s | 320 | 10.1 | 2.0 |
| Radeon HD 4670 | 750 MHz | – | 2 GHz (512 MB) or 1,746 MHz (1 GB) | 128-bit | 32 GB/s or 27.94 GB/s | 320 | 10.1 | 2.0 |
| Radeon HD 4730 | 750 MHz | – | 1.8 GHz | 128-bit | 28.8 GB/s | 640 | 10.1 | 2.0 |
| Radeon HD 4770 | 750 MHz | – | 3.2 GHz | 128-bit | 51.2 GB/s | 640 | 10.1 | 2.0 |
| Radeon HD 4830 | 575 MHz | – | 1.8 GHz | 256-bit | 57.6 GB/s | 640 | 10.1 | 2.0 |
| Radeon HD 4850 | 625 MHz | – | 2 GHz | 256-bit | 64 GB/s | 800 | 10.1 | 2.0 |
| Radeon HD 4850 X2† | 625 MHz x2 | – | 2 GHz x2 | 256-bit x2 | 64 GB/s x2 | 800 x2 | 10.1 | 2.0 |
| Radeon HD 4870 | 750 MHz | – | 3.6 GHz | 256-bit | 115.2 GB/s | 800 | 10.1 | 2.0 |
| Radeon HD 4870 X2† | 750 MHz x2 | – | 3.6 GHz x2 | 256-bit x2 | 115.2 GB/s x2 | 800 x2 | 10.1 | 2.0 |
| Radeon HD 4890 | 850 MHz | – | 3.9 GHz | 256-bit | 124.8 GB/s | 800 | 10.1 | 2.0 |
| Radeon HD 5450 | 650 MHz | – | 800 MHz (DDR2) or 1.6 GHz (DDR3) | 64-bit | 6.4 GB/s (DDR2) or 12.8 GB/s (DDR3) | 80 | 11 | 2.0 |
| Radeon HD 5550 | 550 MHz | – | * | 128-bit | * | 320 | 11 | 2.0 |
| Radeon HD 5570 | 650 MHz | – | 1.8 GHz | 128-bit | 28.8 GB/s | 400 | 11 | 2.0 |
| Radeon HD 5670 | 775 MHz | – | 4 GHz | 128-bit | 64 GB/s | 400 | 11 | 2.0 |
| Radeon HD 5750 | 705 MHz | – | 4.6 GHz | 128-bit | 73.6 GB/s | 720 | 11 | 2.0 |
| Radeon HD 5770 | 850 MHz | – | 4.8 GHz | 128-bit | 76.8 GB/s | 800 | 11 | 2.0 |
| Radeon HD 5830 | 800 MHz | – | 4 GHz | 256-bit | 128 GB/s | 1,120 | 11 | 2.0 |
| Radeon HD 5850 | 725 MHz | – | 4 GHz | 256-bit | 128 GB/s | 1,440 | 11 | 2.0 |
| Radeon HD 5870 | 850 MHz | – | 4.8 GHz | 256-bit | 153.6 GB/s | 1,600 | 11 | 2.0 |
| Radeon HD 5970† | 725 MHz x2 | – | 4 GHz x2 | 256-bit x2 | 128 GB/s x2 | 1,600 x2 | 11 | 2.0 |
| Radeon HD 6350 | 650 MHz | – | 1.6 GHz | 64-bit | 12.8 GB/s | 80 | 11 | 2.0 |
| Radeon HD 6390 | 550 MHz | – | * | 128-bit | * | 320 | 11 | 2.0 |
| Radeon HD 6450 | * | – | * | 64-bit | * | 160 | 11 | 2.0 |
| Radeon HD 6570 | 650 MHz | – | 1.8 GHz (DDR3) or 4 GHz (GDDR5) | 128-bit | 28.8 GB/s (DDR3) or 64 GB/s (GDDR5) | 480 | 11 | 2.0 |
| Radeon HD 6670 | 800 MHz | – | 4 GHz | 128-bit | 64 GB/s | 480 | 11 | 2.0 |
| Radeon HD 6750 | 705 MHz | – | 4.6 GHz | 128-bit | 73.6 GB/s | 720 | 11 | 2.0 |
| Radeon HD 6770 | 850 MHz | – | 4.8 GHz | 128-bit | 76.8 GB/s | 800 | 11 | 2.0 |
| Radeon HD 6790 | 840 MHz | – | 4.2 GHz | 256-bit | 134.4 GB/s | 800 | 11 | 2.0 |
| Radeon HD 6850 | 775 MHz | – | 4 GHz | 256-bit | 128 GB/s | 960 | 11 | 2.0 |
| Radeon HD 6870 | 900 MHz | – | 4.2 GHz | 256-bit | 134.4 GB/s | 1,120 | 11 | 2.0 |
| Radeon HD 6950 | 800 MHz | – | 5 GHz | 256-bit | 160 GB/s | 1,408 | 11 | 2.0 |
| Radeon HD 6970 | 880 MHz | – | 5.5 GHz | 256-bit | 176 GB/s | 1,536 | 11 | 2.0 |
| Radeon HD 6990† | 830 MHz or 880 MHz x2 | – | 5 GHz x2 | 256-bit x2 | 160 GB/s x2 | 1,536 x2 | 11 | 2.0 |
| Radeon HD 7730 | 800 MHz | – | 4.5 GHz | 128-bit | 72 GB/s | 384 | 11.1 | 3.0 |
| Radeon HD 7750 | 800 MHz | – | 4.5 GHz | 128-bit | 72 GB/s | 512 | 11.1 | 3.0 |
| Radeon HD 7770 | 1 GHz | – | 4.5 GHz | 128-bit | 72 GB/s | 640 | 11.1 | 3.0 |
| Radeon HD 7790 | 1 GHz | – | 6 GHz | 128-bit | 96 GB/s | 896 | 11.1 | 3.0 |
| Radeon HD 7850 | 860 MHz | – | 4.8 GHz | 256-bit | 153.6 GB/s | 1,024 | 11.1 | 3.0 |
| Radeon HD 7870 | 1 GHz | – | 4.8 GHz | 256-bit | 153.6 GB/s | 1,280 | 11.1 | 3.0 |
| Radeon HD 7950 | 800 MHz | – | 5 GHz | 384-bit | 240 GB/s | 1,792 | 11.1 | 3.0 |
| Radeon HD 7970 | 925 MHz | – | 5.5 GHz | 384-bit | 264 GB/s | 2,048 | 11.1 | 3.0 |
| Radeon HD 7970 GHz Edition | 1 GHz | – | 6 GHz | 384-bit | 288 GB/s | 2,048 | 11.1 | 3.0 |
| Radeon HD 7990† | 1 GHz | – | 6 GHz | 384-bit | 288 GB/s | 2,048 | 11.1 | 3.0 |
| Radeon HD 8570 | 730 MHz | – | 1.8 GHz (DDR3) or 4.6 GHz (GDDR5) | 128-bit | 28.8 GB/s (DDR3) or 73.6 GB/s (GDDR5) | 384 | 11.1 | 3.0 x8 |
| Radeon HD 8670 | 1 GHz | – | 4.6 GHz | 128-bit | 73.6 GB/s | 384 | 11.1 | 3.0 x8 |
| Radeon HD 8950 | 850 MHz | 925 MHz | 5 GHz | 384-bit | 240 GB/s | 1,792 | 11.1 | 3.0 |
| Radeon HD 8970 | 1 GHz | 1.05 GHz | 6 GHz | 384-bit | 288 GB/s | 2,048 | 11.1 | 3.0 |
| Radeon R5 220 | 650 MHz | – | 1,066 MHz | 64-bit | 8.53 GB/s | 80 | 11 | 2.1 |
| Radeon R5 230 | 650 MHz | – | 1,066 MHz | 64-bit | 8.53 GB/s | 160 | 11 | 2.1 |
| Radeon R5 235 | 775 MHz | – | 1.8 GHz | 64-bit | 14.4 GB/s | 160 | 11 | 2.1 |
| Radeon R5 235X | 875 MHz | – | 1.8 GHz | 64-bit | 14.4 GB/s | 160 | 11 | 2.1 |
| Radeon R5 240 | 730 MHz | 780 MHz | 1.8 GHz | 128-bit | 28.8 GB/s | 320 | 11.2 | 3.0 x8 |
| Radeon R7 240 (DDR3) | 730 MHz | 780 MHz | 1.8 GHz | 128-bit | 28.8 GB/s | 320 | 11.2 | 3.0 |
| Radeon R7 240 (GDDR5) | 730 MHz | 780 MHz | 4.6 GHz | 128-bit | 73.6 GB/s | 320 | 11.2 | 3.0 |
| Radeon R7 250 (DDR3) | 1 GHz | 1.05 GHz | 1.8 GHz | 128-bit | 28.8 GB/s | 384 | 11.2 | 3.0 |
| Radeon R7 250 (GDDR5) | 1 GHz | 1.05 GHz | 4.6 GHz | 128-bit | 73.6 GB/s | 384 | 11.2 | 3.0 |
| Radeon R7 250E | 800 MHz | – | 4.5 GHz | 128-bit | 72 GB/s | 512 | 11.2 | 3.0 |
| Radeon R7 250XE | 860 MHz | 1,125 MHz | 4.5 GHz | 128-bit | 72 GB/s | 640 | 11.2 | 3.0 |
| Radeon R7 250X (DDR3) | 1 GHz | ? | * | 128-bit | * | 640 | 11.2 | 3.0 |
| Radeon R7 250X (GDDR5) | 950 MHz | 1,125 MHz | 4,5 GHz | 128-bit | 72 GB/s | 640 | 11.2 | 3.0 |
| Radeon R7 260 | NA | 1 GHz | NA | 128-bit | NA | 768 | 11.2 | 3.0 |
| Radeon R7 260X | 1.05 GHz | 1.1 GHz | 6.5 GHz | 128-bit | 104 GB/s | 896 | 11.2 | 3.0 |
| Radeon R7 270 | NA | 925 MHz | NA | 256-bit | NA | 1,280 | 11.2 | 3.0 |
| Radeon R7 270X | 1 GHz | 1.05 GHz | 5.6 GHz | 256-bit | 179.2 GB/s | 1,280 | 11.2 | 3.0 |
| Radeon R9 280X | 850 MHz | 1 GHz | 6 GHz | 384-bit | 288 GB/s | 2,048 | 11.2 | 3.0 |
| Radeon R9 285 | 918 MHz | – | 5.5 GHz | 256-bit | 176 GB/s | 1,792 | 11.2 | 3.0 |
| Radeon R9 290 | NA | 947 MHz | 5 GHz | 512-bit | 320 GB/s | 2,560 | 11.2 | 3.0 |
| Radeon R9 290X | 800 MHz | 1 GHz | 5 GHz | 512-bit | 320 GB/s | 2,816 | 11.2 | 3.0 |
| Radeon R9 295X2† | NA | 1,018 MHz | 5 GHz | 512-bit | 320 GB/s | 2.816 | 11.2 | 3.0 |
| Radeon R7 360 | 1 GHz | 1,050 MHz | 6.5 GHz | 128-bit | 104 GB/s | 768 | 12 | 3.0 |
| Radeon R7 370 | 925 MHz | 975 MHz | 5.6 GHz | 256-bit | 179,2 GB/s | 1,024 | 12 | 3.0 |
| Radeon R9 380 | 970 MHz | – | 5.5 GHz | 256-bit | 182,4 GB/s | 1,792 | 12 | 3.0 |
| Radeon R9 390 | 1 GHz | – | 6 GHz | 512-bit | 384 GB/s | 2,560 | 12 | 3.0 |
| Radeon R9 390X | 1,050 MHz | – | 6 GHz | 512-bit | 384 GB/s | 2,816 | 12 | 3.0 |
| Radeon Fury X | 1,050 MHz | – | 1 GHz | 4,096-bit | 512 GB/s | 4,096 | 12 | 3.0 |
* AMD/ATI doesn’t set a default memory clock for this video card; the specs depend on the video card manufacturer. So, you must be careful when comparing video cards using this chip.
† This video card uses two graphics processors in parallel (CrossFire mode). The specs published are for just one of the chips.
On video cards from Radeon HD 2400 and HD 2600 series, the video card manufacturer can use a different clock for the memory (usually lower, thus achieving a lower performance compared to the reference model); the clock rates published here are the official ones.
As for the DirectX version, check the table below:
| DirectX | Shader Model |
| 7.0 | No |
| 8.1 | 1.4 |
| 9.0 | 2.0 |
| 9.0c | 3.0 |
| 10 | 4.0 |
| 10.1 | 4.1 |
| 11 | 5.0 |
| 11.1 | 5.1 |
| 11.2 | 5.2 |
| 12 | 6.0 |
For a detailed discussion on the subject, read our DirectX tutorial.
[nextpage title=”Power Supply”]
Below we list the minimum power supply for each video card, according to AMD. Chips that are not listed mean that AMD doesn’t publish mnimum power supply requirements for them.
It is important to have in mind that these are worst-case scenario values. Under normal operating conditions, a GPU will consume less power than listed in the table below. The power supply requirements are usually inflated, as the manufacturer has to take into account “bad” power supplies available in the market that are not capable of delivering their labeled power continuously.
| GPU | Max. TDP | Minimum power supply |
| Radeon HD 3450 | 25 W | 550 W (750 W for CrossFire) |
| Radeon HD 3470 | 30 W | 550 W (750 W for CrossFire) |
| Radeon HD 3650 | 65 W | 400 W (550 W for CrossFire) |
| Radeon HD 3690 | 75 W | 400 W (550 W for CrossFire) |
| Radeon HD 3850 | 75 W | 550 W (750 W for CrossFire) |
| Radeon HD 3870 | 106 W | 550 W (750 W for CrossFire) |
| Radeon HD 4350 | 20 W | 300 W (350 W for CrossFire |
| Radeon HD 4550 | 25 W | 300 W (350 W for CrossFire) |
| Radeon HD 4650 | 48 W | 400 W (550 W for CrossFire) |
| Radeon HD 4670 | 59 W | 400 W (550 W for CrossFire) |
| Radeon HD 4830 | 95 W | 450 W (550 W for CrossFire) |
| Radeon HD 4850 | 110 W | 450 W (550 W for CrossFire) |
| Radeon HD 4870 | 150 W | 500 W (600 W for CrossFire) |
| Radeon HD 4890 | 190 W | 500 W (600 W for CrossFire) |
| Radeon HD 5450 | 19 W | 400 W |
| Radeon HD 5550 | 39 W | 400 W |
| Radeon HD 5570 | 39 W | 400 W |
| Radeon HD 5670 | 64 W | 400 W (500 W for CrossFire) |
| Radeon HD 5750 | 86 W | 450 W (600 W for CrossFire) |
| Radeon HD 5770 | 108 W | 450 W (600 W for CrossFire) |
| Radeon HD 5830 | 175 W | 500 W (600 W for CrossFire) |
| Radeon HD 5850 | 151 W | 500 W (600 W for CrossFire) |
| Radeon HD 5870 | 188 W | 500 W (600 W for CrossFire) |
| Radeon HD 5970 | 294 W | 650 W (850 W for CrossFire) |
| Radeon HD 6450 | 18 W | 400 W (500 W for CrossFire) |
| Radeon HD 6570 | 60 W | 400 W (500 W for CrossFire) |
| Radeon HD 6670 | 66 W | 400 W (500 W for CrossFire) |
| Radeon HD 6750 | 86 W | 450 W (600 W for CrossFire) |
| Radeon HD 6770 | 108 W | 450 W (600 W for CrossFire) |
| Radeon HD 6790 | 150 W | 500 W (600 W for CrossFire) |
| Radeon HD 6850 | 127 W | 500 W |
| Radeon HD 6870 | 151 W | 500 W (600 W for CrossFire) |
| Radeon HD 6950 | 200 W | 500 W |
| Radeon HD 6970 | 250 W | 550 W |
| Radeon HD 6990 | 375 W | 750 W (1,000 W for CrossFire) |
| Radeon HD 7730 | 47 W | 400 W (500 W for CrossFire) |
| Radeon HD 7750 | 55 W | 500 W (600 W for CrossFire) |
| Radeon HD 7770 | 80 W | 500 W (600 W for CrossFire) |
| Radeon HD 7790 | 85 W | 500 W (600 W for CrossFire) |
| Radeon HD 7850 | 130 W | 500 W (600 W for CrossFire) |
| Radeon HD 7870 | 175 W | 500 W (600 W for CrossFire) |
| Radeon HD 7950 | 200 W | 500 W |
| Radeon HD 7970 | 250 W | 500 W |
| Radeon HD 7970 GHz Edition | 300 W | 500 W (850 W for CrossFire) |
| Radeon HD 7990 | 375 W | 750 W (1,000 W for CrossFire) |
| Radeon HD 8350 | 19 W | NA |
| Radeon HD 8570 (DDR3) | 50 W | NA |
| Radeon HD 8570 (GDDR3) | 60 W | NA |
| Radeon HD 8670 | 75 W | NA |
| Radeon HD 8760 | 80 W | NA |
| Radeon HD 8870 | 175 W | NA |
| Radeon HD 8950 | 200 W | 500 W (750 W for CrossFire) |
| Radeon HD 8970 | 250 W | 500 W (850 W for CrossFire) |
| Radeon R5 220 | 19 W | NA |
| Radeon R5 230 | 19 W | NA |
| Radeon R5 235 | 35 W | NA |
| Radeon R5 235X | 18 W | NA |
| Radeon R5 240 | 50 W | NA |
| Radeon R7 240 | 50 W | NA |
| Radeon R7 250 | 65 W | NA |
| Radeon R7 250E | 55 W | NA |
| Radeon R7 250X | 80 W | NA |
| Radeon R7 260 | 95 W | NA |
| Radeon R7 260X | 115 W | NA |
| Radeon R7 265 | 150 W | NA |
| Radeon R7 265X | 150 W | NA |
| Radeon R9 260 | 85 W | NA |
| Radeon R9 270 | 175 W | NA |
| Radeon R9 270X | 180 W | NA |
| Radeon R8 | 250 W | NA |
| Radeon R9 280X | 250 W | NA |
| Radeon R9 285 | 190 W | NA |
| Radeon R9 290 | 275 W | NA |
| Radeon R9 290X | 290 W | NA |
| Radeon R9 295X2 | 500 W | NA |
| Radeon R7 360 | 100 W | NA |
| Radeon R7 370 | 110 W | NA |
| Radeon R9 380 | 190 W | NA |
| Radeon R9 390 | 275 W | NA |
| Radeon R9 390X | 275 W | NA |
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