NVIDIA GeForce 7800 GTX 512 vs NVIDIA GeForce GTS 250
Processeur graphique
| Nom du GPU | G70 | G92B |
|---|---|---|
| GPU variant | GF-7800-U-A2 | G92-426-B1 |
| Architecture | Curie | Tesla |
| Fonderie | TSMC | TSMC |
| Taille du processus | 110 nm | 55 nm |
| Transistors | 302 million | 754 million |
| Taille des matrices | 333 mm² | 260 mm² |
Carte graphique
| Date de publication | Nov 14th, 2005 | Mar 4th, 2009 |
|---|---|---|
| Génération | GeForce 7 PCIe | GeForce 200 |
| Production | End-of-life | End-of-life |
| Prix de lancement | 649 USD | 199 USD |
| Bus interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Critiques | 206 in our database | 58 in our database |
| Prédécesseur | GeForce 6 PCIe | GeForce 9 |
| Successeur | GeForce 8 | GeForce 400 |
Vitesse clock
| GPU clock | 500 MHz | 675 MHz |
|---|---|---|
| Mémoire clock | 800 MHz 1600 Mbps effective | 1008 MHz 2 Gbps effective |
| Shader clock | — | 1620 MHz |
Mémoire
| Taille de la mémoire | 512 MB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR3 |
| Bus mémoire | 256 bit | 256 bit |
| Bande passante | 51.20 GB/s | 64.51 GB/s |
Render Config
| Pixel shaders | 24 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 24 | 64 |
| ROPs | 16 | 16 |
| Shading units | — | 128 |
| Comptage SM | — | 16 |
| Cache L2 | — | 64 KB |
Performance théorique
| Taux de pixel | 8.000 GPixel/s | 10.80 GPixel/s |
|---|---|---|
| Vertex rate | 1.000 GVertices/s | — |
| Taux de texture | 12.00 GTexel/s | 43.20 GTexel/s |
| FP32 (float) performance | — | 414.7 GFLOPS |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 228 mm 9 inches | 229 mm 9 inches |
| TDP | 108 W | 150 W |
| Suggestions pour le PSU | 300 W | 450 W |
| Sorties | 2x DVI1x S-Video | 2x DVI |
| Board number | P348 | P365 |
| Taille | 111 mm 4.4 inches | — |
| Taille | 38 mm 1.5 inches | — |
| Connecteurs de puissance | — | 1x 6-pin |
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 |
