NVIDIA GeForce 7800 GTX 512 vs NVIDIA GeForce GTX 550 Ti
Processeur graphique
| Nom du GPU | G70 | GF116 |
|---|---|---|
| GPU variant | GF-7800-U-A2 | GF116-400-A1 |
| Architecture | Curie | Fermi 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 110 nm | 40 nm |
| Transistors | 302 million | 1,170 million |
| Taille des matrices | 333 mm² | 238 mm² |
Carte graphique
| Date de publication | Nov 14th, 2005 | Mar 15th, 2011 |
|---|---|---|
| Génération | GeForce 7 PCIe | GeForce 500 |
| Production | End-of-life | End-of-life |
| Prix de lancement | 649 USD | 149 USD |
| Bus interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Critiques | 206 in our database | 62 in our database |
| Prédécesseur | GeForce 6 PCIe | GeForce 400 |
| Successeur | GeForce 8 | GeForce 600 |
Vitesse clock
| GPU clock | 500 MHz | 900 MHz |
|---|---|---|
| Mémoire clock | 800 MHz 1600 Mbps effective | 1026 MHz 4.1 Gbps effective |
| Shader clock | — | 1800 MHz |
Mémoire
| Taille de la mémoire | 512 MB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR5 |
| Bus mémoire | 256 bit | 192 bit |
| Bande passante | 51.20 GB/s | 98.50 GB/s |
Render Config
| Pixel shaders | 24 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 24 | 32 |
| ROPs | 16 | 24 |
| Shading units | — | 192 |
| Comptage SM | — | 4 |
| Cache L1 | — | 64 KB (per SM) |
| Cache L2 | — | 384 KB |
Performance théorique
| Taux de pixel | 8.000 GPixel/s | 7.200 GPixel/s |
|---|---|---|
| Vertex rate | 1.000 GVertices/s | — |
| Taux de texture | 12.00 GTexel/s | 28.80 GTexel/s |
| FP32 (float) performance | — | 691.2 GFLOPS |
| FP64 (double) performance | — | 57.60 GFLOPS (1:12) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 228 mm 9 inches | 210 mm 8.3 inches |
| TDP | 108 W | 116 W |
| Suggestions pour le PSU | 300 W | 300 W |
| Sorties | 2x DVI1x S-Video | 2x DVI1x mini-HDMI |
| Board number | P348 | P1050 |
| 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 (11_0) |
|---|---|---|
| OpenGL | 2.1 | 4.6 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 3.0 | 5.1 |
| CUDA | — | 2.1 |
