NVIDIA GeForce GT 640 Rev. 2 vs NVIDIA Quadro NVS 280 PCIe
Processeur graphique
| Nom du GPU | GK208 | NV37 |
|---|---|---|
| GPU variant | GK208-400-A1 | NV37 GL |
| Architecture | Kepler 2.0 | Rankine |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 150 nm |
| Transistors | 1,020 million | 45 million |
| Taille des matrices | 87 mm² | 91 mm² |
Carte graphique
| Date de publication | May 29th, 2013 | May 25th, 2004 |
|---|---|---|
| Génération | GeForce 600 | Quadro NVS |
| Production | End-of-life | End-of-life |
| Prix de lancement | 89 USD | — |
| Bus interface | PCIe 2.0 x8 | PCIe 1.0 x16 |
| Prédécesseur | GeForce 500 | — |
| Successeur | GeForce 700 | — |
| Critiques | — | 26 in our database |
Vitesse clock
| GPU clock | 1046 MHz | 275 MHz |
|---|---|---|
| Mémoire clock | 1252 MHz 5 Gbps effective | 250 MHz 500 Mbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 64 MB |
|---|---|---|
| Type de mémoire | GDDR5 | DDR |
| Bus mémoire | 64 bit | 128 bit |
| Bande passante | 40.06 GB/s | 8.000 GB/s |
Render Config
| Shading units | 384 | — |
|---|---|---|
| TMUs | 32 | 4 |
| ROPs | 8 | 4 |
| Comptage SMX | 2 | — |
| Cache L1 | 16 KB (per SMX) | — |
| Cache L2 | 512 KB | — |
| Pixel shaders | — | 4 |
| Vertex shaders | — | 2 |
Performance théorique
| Taux de pixel | 8.368 GPixel/s | 1.100 GPixel/s |
|---|---|---|
| Taux de texture | 33.47 GTexel/s | 1.100 GTexel/s |
| FP32 (float) performance | 803.3 GFLOPS | — |
| FP64 (double) performance | 33.47 GFLOPS (1:24) | — |
| Vertex rate | — | 137.5 MVertices/s |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 145 mm 5.7 inches | 168 mm 6.6 inches |
| TDP | 49 W | 13 W |
| Suggestions pour le PSU | 200 W | 200 W |
| Sorties | 1x DVI1x HDMI1x VGA | 1x DMS-59 |
| Connecteurs de puissance | None | None |
| Board number | P2131 | — |
Caractéristiques graphiques
| DirectX | 12 (11_0) | 9.0a |
|---|---|---|
| OpenGL | 4.6 | 1.5 (2.1) |
| OpenCL | 3.0 | — |
| Vulkan | 1.1 | — |
| CUDA | 3.5 | — |
| Shader model | 5.1 | — |
| Pixel shader | — | 2.0a |
| Vertex shader | — | 2.0a |
