Radeon HD 7950 - Technické detaily
Radeon HD 6950 | Radeon HD 6970 | Radeon HD 7950 | Radeon HD 7970 | |
Jadro: | "Cayman" RV970 | "Cayman" RV970 | "Tahiti" | "Tahiti" |
| Výrobný proces: | 40nm | 40nm | 28nm | 28nm |
| Veľkosť jadra: | ~389 mm^2 | ~389 mm^2 | ~365 mm^2 | ~365 mm^2 |
| Počet tranzistorov: | ~2640 miliónov | ~2640 miliónov | ~4313 miliónov | ~4313 miliónov |
| Počet aktívnych clustrov: | 22 | 24 | 28 | 32 |
| Frekvencia jadra: | 800 MHz | 880 MHz | 800 MHz | 925 MHz |
| Frekvencia pamäte: | 1250 MHz | 1375 MHz | 1250 MHz | 1375 MHz |
| Kapacita, typ pamäte: | 1 GiB, GDDR5 | 2 GiB, GDDR5 | 3 GiB, GDDR5 | 3 GiB, GDDR5 |
| Frekvencia shadercore: | 800 MHz | 880 MHz | 800 MHz | 925 MHz |
| Počet TFUs: | 88 | 96 | 112 | 128 |
| Počet TAUs: | 88 | 96 | 112 | 128 |
| Počet ALUs: | 352x Vec4 (1408 SPs) | 384x Vec4 | 1792 (1D) | 2048 (1D) |
| Počet ROPs | 32 | 32 | 32 | 32 |
| Podpora Direct3D: | 11 | 11 | 11.1 | 11.1 |
| Pixel fillrate: | 25 600 MPixels/s | 28 160 MPixels/s | 25 600 MPixels/s | 29 600 MPixels/s |
| Bilinear texelfillrate: | 70 400 MTexels/s | 84 480 MTexels/s | 89 600 MTexels/s | 118 400 MTexels/s |
| Bilinear FP-16 texel fillrate: | 35 200 MTexels/s | 42 240 MTexels/s | 44 800 MTexels/s | 59 200 MTexels/s |
| Z-sample rate: | 102 400 MSamples/s | 112 640 MSamples/s | 102 400 MSamples/s | 118 400 MSamples/s |
| AA-sample rate: | 204 800 MSamples/s | 225 280 MSamples/s | 204 800 MSamples/s | 236 800 MSamples/s |
| Single precision aritmetický výkon: | 2253 GFLOP/s | 2703 GFLOP/s | 2867 GFLOP/s | 3789 GFLOP/s |
| Double precision aritmetický výkon: | 563,2 GFLOP/s | 675,75 GFLOP/s | 716,8 GFLOP/s | 947,25 GFLOP/s |
| Geometry rate: | 1600 MTriangles/s | 1760 MTriangles/s | 1600 MTriangles/s | 1850 MTriangles/s |
| Šírka zbernice: | 256 bit | 256 bit | 384 bit | 384 bit |
| Priepustnosť pamäte: | 160 GB/s | 176 GB/s | 240 GB/s | 264 GB/s |
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