NVIDIA GeForce 7900 GS AGP vs NVIDIA GeForce GT 520
Processeur graphique
| Nom du GPU | G71 | GF119 |
|---|---|---|
| GPU variant | G71-N-A2 | GF119-300-A1 |
| Architecture | Curie | Fermi 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 90 nm | 40 nm |
| Transistors | 278 million | 292 million |
| Taille des matrices | 196 mm² | 79 mm² |
Carte graphique
| Date de publication | Apr 2nd, 2006 | Apr 13th, 2011 |
|---|---|---|
| Génération | GeForce 7 AGP | GeForce 500 |
| Production | End-of-life | End-of-life |
| Bus interface | AGP 8x | PCIe 2.0 x16 |
| Critiques | 145 in our database | — |
| Prédécesseur | GeForce 6 AGP | GeForce 400 |
| Successeur | GeForce 8 | GeForce 600 |
| Prix de lancement | — | 59 USD |
Vitesse clock
| GPU clock | 450 MHz | 810 MHz |
|---|---|---|
| Mémoire clock | 660 MHz 1320 Mbps effective | 900 MHz 1800 Mbps effective |
| Shader clock | — | 1620 MHz |
Mémoire
| Taille de la mémoire | 256 MB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR3 | DDR3 |
| Bus mémoire | 256 bit | 64 bit |
| Bande passante | 42.24 GB/s | 14.40 GB/s |
Render Config
| Pixel shaders | 20 | — |
|---|---|---|
| Vertex shaders | 7 | — |
| TMUs | 20 | 8 |
| ROPs | 16 | 4 |
| Shading units | — | 48 |
| Comptage SM | — | 1 |
| Cache L1 | — | 64 KB (per SM) |
| Cache L2 | — | 128 KB |
Performance théorique
| Taux de pixel | 7.200 GPixel/s | 1.620 GPixel/s |
|---|---|---|
| Vertex rate | 787.5 MVertices/s | — |
| Taux de texture | 9.000 GTexel/s | 6.480 GTexel/s |
| FP32 (float) performance | — | 155.5 GFLOPS |
| FP64 (double) performance | — | 12.96 GFLOPS (1:12) |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| TDP | 65 W | 29 W |
| Suggestions pour le PSU | 250 W | 200 W |
| Sorties | 1x DVI1x S-Video | 1x DVI1x HDMI1x VGA |
| Connecteurs de puissance | 1x Molex | None |
| Board number | P492 | P1310 |
| Longueur | — | 145 mm 5.7 inches |
Caractéristiques graphiques
| DirectX | 9.0c (9_3) | 12 (11_0) |
|---|---|---|
| OpenGL | 2.1 | 4.6 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 3.0 | 5.1 |
| CUDA | — | 2.1 |
