NVIDIA GeForce 8400 GS vs NVIDIA GeForce GTX 970
Processeur graphique
| Nom du GPU | G86 | GM204 |
|---|---|---|
| GPU variant | G86-213-A2 | GM204-200-A1 |
| Architecture | Tesla | Maxwell 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 80 nm | 28 nm |
| Transistors | 210 million | 5,200 million |
| Taille des matrices | 127 mm² | 398 mm² |
Carte graphique
| Date de publication | Apr 17th, 2007 | Sep 19th, 2014 |
|---|---|---|
| Génération | GeForce 8 | GeForce 900 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 1.0 x16 | PCIe 3.0 x16 |
| Critiques | 10 in our database | 111 in our database |
| Prédécesseur | GeForce 7 PCIe | GeForce 700 |
| Successeur | GeForce 9 | GeForce 10 |
| Prix de lancement | — | 329 USD |
Vitesse clock
| GPU clock | 459 MHz | — |
|---|---|---|
| Shader clock | 918 MHz | — |
| Mémoire clock | 400 MHz 800 Mbps effective | 1753 MHz 7 Gbps effective |
| Base clock | — | 1050 MHz |
| Boost clock | — | 1178 MHz |
Mémoire
| Taille de la mémoire | 256 MB | 4 GB |
|---|---|---|
| Type de mémoire | DDR2 | GDDR5 |
| Bus mémoire | 64 bit | 256 bit |
| Bande passante | 6.400 GB/s | 224.4 GB/s |
Render Config
| Shading units | 16 | 1664 |
|---|---|---|
| TMUs | 8 | 104 |
| ROPs | 4 | 56 |
| Comptage SM | 2 | — |
| Cache L2 | 16 KB | 2 MB |
| Comptage SMM | — | 13 |
| Cache L1 | — | 48 KB (per SMM) |
Performance théorique
| Taux de pixel | 1.836 GPixel/s | 65.97 GPixel/s |
|---|---|---|
| Taux de texture | 3.672 GTexel/s | 122.5 GTexel/s |
| FP32 (float) performance | 29.38 GFLOPS | 3.920 TFLOPS |
| FP64 (double) performance | — | 122.5 GFLOPS (1:32) |
Board Design
| Taille Slot | Single-slot | Dual-slot |
|---|---|---|
| Longueur | 170 mm 6.7 inches | 267 mm 10.5 inches |
| TDP | 40 W | 148 W |
| Suggestions pour le PSU | 200 W | 300 W |
| Sorties | 1x DVI1x VGA1x S-Video | 1x DVI1x HDMI3x DisplayPort |
| Connecteurs de puissance | None | 2x 6-pin |
| Board number | P403, P413 | PG401 |
| Taille | — | 111 mm 4.4 inches |
| Taille | — | 40 mm 1.6 inches |
Caractéristiques graphiques
| DirectX | 11.1 (10_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 1.1 | 5.2 |
| Shader model | 4.0 | 6.4 |
