NVIDIA GeForce 7900 GT vs NVIDIA NVS 4200M
Processeur graphique
| Nom du GPU | G71 | GF119 |
|---|---|---|
| GPU variant | G71-GT-N-A2 | N12P-NS1-S-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 | Mar 9th, 2006 | — |
|---|---|---|
| Génération | GeForce 7 PCIe | — |
| Production | End-of-life | — |
| Bus interface | PCIe 1.0 x16 | — |
| Critiques | 145 in our database | — |
| Prédécesseur | GeForce 6 PCIe | — |
| Successeur | GeForce 8 | — |
Vitesse clock
| GPU clock | 450 MHz | 810 MHz |
|---|---|---|
| Mémoire clock | 660 MHz 1320 Mbps effective | 800 MHz 1600 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 | 12.80 GB/s |
Render Config
| Pixel shaders | 24 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 24 | 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 | 900.0 MVertices/s | — |
| Taux de texture | 10.80 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 | MXM Module |
|---|---|---|
| TDP | 48 W | 25 W |
| Suggestions pour le PSU | 200 W | — |
| Sorties | 2x DVI1x S-Video | No outputs |
| Connecteurs de puissance | 1x 6-pin | — |
| Board number | P455 | — |
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 |
AUTRES CARACTÉRISTIQUES
Graphiques mobiles
| Date de publication | — | Feb 22nd, 2011 |
|---|---|---|
| Génération | — | NVS Mobile (x200M) |
| Production | — | End-of-life |
| Bus interface | — | MXM |
| Critiques | — | 26 in our database |
