NVIDIA GeForce 8600 GT vs NVIDIA GeForce GT 420 OEM
Processeur graphique
| Nom du GPU | G84 | GF108 |
|---|---|---|
| GPU variant | G84-303-A2 | GF108-200-A1 |
| Architecture | Tesla | Fermi |
| Fonderie | TSMC | TSMC |
| Taille du processus | 80 nm | 40 nm |
| Transistors | 289 million | 585 million |
| Taille des matrices | 169 mm² | 116 mm² |
Carte graphique
| Date de publication | Apr 17th, 2007 | Sep 3rd, 2010 |
|---|---|---|
| Génération | GeForce 8 | GeForce 400 |
| Production | End-of-life | End-of-life |
| Prix de lancement | 159 USD | — |
| Bus interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Critiques | 183 in our database | — |
| Prédécesseur | GeForce 7 PCIe | GeForce 200 |
| Successeur | GeForce 9 | GeForce 500 |
Vitesse clock
| GPU clock | 540 MHz | 700 MHz |
|---|---|---|
| Shader clock | 1190 MHz | 1400 MHz |
| Mémoire clock | 700 MHz 1400 Mbps effective | 900 MHz 1800 Mbps effective |
Mémoire
| Taille de la mémoire | 512 MB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR3 | DDR3 |
| Bus mémoire | 128 bit | 128 bit |
| Bande passante | 22.40 GB/s | 28.80 GB/s |
Render Config
| Shading units | 32 | 48 |
|---|---|---|
| TMUs | 16 | 4 |
| ROPs | 8 | 4 |
| Comptage SM | 4 | 1 |
| Cache L2 | 32 KB | 256 KB |
| Cache L1 | — | 64 KB (per SM) |
Performance théorique
| Taux de pixel | 4.320 GPixel/s | 1.400 GPixel/s |
|---|---|---|
| Taux de texture | 8.640 GTexel/s | 2.800 GTexel/s |
| FP32 (float) performance | 76.16 GFLOPS | 134.4 GFLOPS |
| FP64 (double) performance | — | 11.20 GFLOPS (1:12) |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 170 mm 6.7 inches | 145 mm 5.7 inches |
| TDP | 47 W | 50 W |
| Suggestions pour le PSU | 200 W | 250 W |
| Sorties | 2x DVI1x S-Video | 1x DVI1x HDMI1x VGA |
| Connecteurs de puissance | None | None |
| Board number | P402, P403 | P1071 |
Caractéristiques graphiques
| DirectX | 11.1 (10_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 1.1 | 2.1 |
| Shader model | 4.0 | 5.1 |
