NVIDIA GeForce 7800 GTX 512 vs NVIDIA GeForce GTX 950
Processeur graphique
| Nom du GPU | G70 | GM206 |
|---|---|---|
| GPU variant | GF-7800-U-A2 | GM206-250-A1 |
| Architecture | Curie | Maxwell 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 110 nm | 28 nm |
| Transistors | 302 million | 2,940 million |
| Taille des matrices | 333 mm² | 228 mm² |
Carte graphique
| Date de publication | Nov 14th, 2005 | Aug 20th, 2015 |
|---|---|---|
| Génération | GeForce 7 PCIe | GeForce 900 |
| Production | End-of-life | End-of-life |
| Prix de lancement | 649 USD | 159 USD |
| Bus interface | PCIe 1.0 x16 | PCIe 3.0 x16 |
| Critiques | 206 in our database | 76 in our database |
| Prédécesseur | GeForce 6 PCIe | GeForce 700 |
| Successeur | GeForce 8 | GeForce 10 |
Vitesse clock
| GPU clock | 500 MHz | — |
|---|---|---|
| Mémoire clock | 800 MHz 1600 Mbps effective | 1653 MHz 6.6 Gbps effective |
| Base clock | — | 1024 MHz |
| Boost clock | — | 1188 MHz |
Mémoire
| Taille de la mémoire | 512 MB | 2 GB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR5 |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 51.20 GB/s | 105.8 GB/s |
Render Config
| Pixel shaders | 24 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 24 | 48 |
| ROPs | 16 | 32 |
| Shading units | — | 768 |
| Comptage SMM | — | 6 |
| Cache L1 | — | 48 KB (per SMM) |
| Cache L2 | — | 1024 KB |
Performance théorique
| Taux de pixel | 8.000 GPixel/s | 38.02 GPixel/s |
|---|---|---|
| Vertex rate | 1.000 GVertices/s | — |
| Taux de texture | 12.00 GTexel/s | 57.02 GTexel/s |
| FP32 (float) performance | — | 1.825 TFLOPS |
| FP64 (double) performance | — | 57.02 GFLOPS (1:32) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 228 mm 9 inches | 202 mm 8 inches |
| TDP | 108 W | 90 W |
| Suggestions pour le PSU | 300 W | 250 W |
| Sorties | 2x DVI1x S-Video | 1x DVI1x HDMI3x DisplayPort |
| Board number | P348 | — |
| Taille | 111 mm 4.4 inches | — |
| Taille | 38 mm 1.5 inches | — |
| Connecteurs de puissance | — | 1x 6-pin |
Caractéristiques graphiques
| DirectX | 9.0c (9_3) | 12 (12_1) |
|---|---|---|
| OpenGL | 2.1 | 4.6 |
| OpenCL | — | 3.0 |
| Vulkan | — | 1.1 |
| Shader model | 3.0 | 6.4 |
| CUDA | — | 5.2 |
