NVIDIA GeForce 7800 GS+ 24Pipes AGP vs NVIDIA GeForce 8500 GT
Processeur graphique
| Nom du GPU | G71 | G86 |
|---|---|---|
| GPU variant | G71-GT-N-A2 | G86-300-A2 |
| Architecture | Curie | Tesla |
| Fonderie | TSMC | TSMC |
| Taille du processus | 90 nm | 80 nm |
| Transistors | 278 million | 210 million |
| Taille des matrices | 196 mm² | 127 mm² |
Carte graphique
| Date de publication | Sep 28th, 2006 | Apr 17th, 2007 |
|---|---|---|
| Génération | GeForce 7 AGP | GeForce 8 |
| Production | End-of-life | End-of-life |
| Bus interface | AGP 8x | PCIe 1.0 x16 |
| Critiques | 206 in our database | 33 in our database |
| Prédécesseur | GeForce 6 AGP | GeForce 7 PCIe |
| Successeur | GeForce 8 | GeForce 9 |
| Prix de lancement | — | 129 USD |
Vitesse clock
| GPU clock | 425 MHz | 459 MHz |
|---|---|---|
| Mémoire clock | 625 MHz 1250 Mbps effective | 400 MHz 800 Mbps effective |
| Shader clock | — | 918 MHz |
Mémoire
| Taille de la mémoire | 512 MB | 256 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR3 |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 40.00 GB/s | 12.80 GB/s |
Render Config
| Pixel shaders | 24 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 24 | 8 |
| ROPs | 16 | 4 |
| Shading units | — | 16 |
| Comptage SM | — | 2 |
| Cache L2 | — | 32 KB |
Performance théorique
| Taux de pixel | 6.800 GPixel/s | 1.836 GPixel/s |
|---|---|---|
| Vertex rate | 850.0 MVertices/s | — |
| Taux de texture | 10.20 GTexel/s | 3.672 GTexel/s |
| FP32 (float) performance | — | 29.38 GFLOPS |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| TDP | 75 W | 30 W |
| Suggestions pour le PSU | 250 W | 200 W |
| Sorties | 1x DVI1x VGA1x S-Video | 1x DVI1x VGA1x S-Video |
| Connecteurs de puissance | 1x Molex | None |
| Board number | P492 | P403 |
| Longueur | — | 229 mm 9 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 |
