NVIDIA GeForce 7900 GX2 vs NVIDIA Quadro FX 1800
Processeur graphique
| Nom du GPU | G71 | G94 |
|---|---|---|
| Architecture | Curie | Tesla |
| Fonderie | TSMC | TSMC |
| Taille du processus | 90 nm | 65 nm |
| Transistors | 278 million | 505 million |
| Taille des matrices | 196 mm² | 240 mm² |
| GPU variant | — | G94 GL-U |
Carte graphique
| Date de publication | Apr 30th, 2006 | Mar 30th, 2009 |
|---|---|---|
| Génération | GeForce 7 PCIe | Quadro FX |
| Production | End-of-life | End-of-life |
| Prix de lancement | 599 USD | 489 USD |
| Bus interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Critiques | 145 in our database | 26 in our database |
| Prédécesseur | GeForce 6 PCIe | — |
| Successeur | GeForce 8 | — |
Vitesse clock
| GPU clock | 500 MHz | 550 MHz |
|---|---|---|
| Mémoire clock | 600 MHz 1200 Mbps effective | 800 MHz 1600 Mbps effective |
| Shader clock | — | 1375 MHz |
Mémoire
| Taille de la mémoire | 512 MB | 768 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR3 |
| Bus mémoire | 256 bit | 192 bit |
| Bande passante | 38.40 GB/s | 38.40 GB/s |
Render Config
| Pixel shaders | 24 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 24 | 32 |
| ROPs | 16 | 12 |
| Shading units | — | 64 |
| Comptage SM | — | 8 |
| Cache L2 | — | 48 KB |
Performance théorique
| Taux de pixel | 8.000 GPixel/s | 6.600 GPixel/s |
|---|---|---|
| Vertex rate | 1.000 GVertices/s | — |
| Taux de texture | 12.00 GTexel/s | 17.60 GTexel/s |
| FP32 (float) performance | — | 176.0 GFLOPS |
Board Design
| Taille Slot | Dual-slot | Single-slot |
|---|---|---|
| Longueur | 312 mm 12.3 inches | 198 mm 7.8 inches |
| TDP | 110 W | 59 W |
| Suggestions pour le PSU | 300 W | 250 W |
| Sorties | 2x DVI1x S-Video | 1x DVI2x DisplayPort |
| Connecteurs de puissance | 2x 6-pin | None |
| Board number | P278, P378 | P744 |
| Taille | — | 111 mm 4.4 inches |
Caractéristiques graphiques
| DirectX | 9.0c (9_3) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 2.1 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 3.0 | 4.0 |
| CUDA | — | 1.1 |
