AMD FireStream 9170 vs NVIDIA GeForce 8800 Ultra
Processeur graphique
| Nom du GPU | RV670 | G80 |
|---|---|---|
| Architecture | TeraScale | Tesla |
| Fonderie | TSMC | TSMC |
| Taille du processus | 55 nm | 90 nm |
| Transistors | 666 million | 681 million |
| Taille des matrices | 192 mm² | 484 mm² |
| GPU variant | — | G80-450-A3 |
Carte graphique
| Date de publication | Nov 8th, 2007 | May 2nd, 2007 |
|---|---|---|
| Génération | FireStream | GeForce 8 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
| Prix de lancement | — | 829 USD |
| Critiques | — | 403 in our database |
| Prédécesseur | — | GeForce 7 PCIe |
| Successeur | — | GeForce 9 |
Vitesse clock
| GPU clock | 800 MHz | 612 MHz |
|---|---|---|
| Mémoire clock | 800 MHz 1600 Mbps effective | 1080 MHz 2.2 Gbps effective |
| Shader clock | — | 1512 MHz |
Mémoire
| Taille de la mémoire | 2 GB | 768 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR3 |
| Bus mémoire | 256 bit | 384 bit |
| Bande passante | 51.20 GB/s | 103.7 GB/s |
Render Config
| Shading units | 320 | 128 |
|---|---|---|
| TMUs | 16 | 32 |
| ROPs | 16 | 24 |
| Compute units | 4 | — |
| Cache L2 | 256 KB | 96 KB |
| Comptage SM | — | 16 |
Performance théorique
| Taux de pixel | 12.80 GPixel/s | 14.69 GPixel/s |
|---|---|---|
| Taux de texture | 12.80 GTexel/s | 39.17 GTexel/s |
| FP32 (float) performance | 512.0 GFLOPS | 387.1 GFLOPS |
| FP64 (double) performance | 102.4 GFLOPS (1:5) | — |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 241 mm 9.5 inches | 270 mm 10.6 inches |
| Taille | 111 mm 4.4 inches | — |
| TDP | 105 W | 171 W |
| Suggestions pour le PSU | 300 W | 450 W |
| Sorties | 2x DVI1x S-Video | 2x DVI1x S-Video |
| Connecteurs de puissance | 1x 6-pin | 2x 6-pin |
| Board number | — | P355 |
Caractéristiques graphiques
| DirectX | 10.1 (10_1) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 (full) 4.0 (partial) | 3.3 |
| OpenCL | — | 1.1 (1.0) |
| Vulkan | — | — |
| Shader model | 4.1 | 4.0 |
| CUDA | — | 1.0 |
