ATI Radeon X800 GTO AGP vs NVIDIA GeForce 8400
Processeur graphique
| Nom du GPU | R420 | G98 |
|---|---|---|
| GPU variant | R420 GTO | — |
| Architecture | R400 | Tesla |
| Fonderie | TSMC | TSMC |
| Taille du processus | 130 nm | 65 nm |
| Transistors | 160 million | 210 million |
| Taille des matrices | 281 mm² | 86 mm² |
Carte graphique
| Date de publication | Nov 8th, 2007 | Dec 4th, 2007 |
|---|---|---|
| Génération | Radeon R400 AGP | GeForce 8 |
| Production | End-of-life | End-of-life |
| Bus interface | AGP 8x | PCIe 2.0 x16 |
| Critiques | 226 in our database | 10 in our database |
| Prédécesseur | Radeon R300 | GeForce 7 PCIe |
| Successeur | Radeon R500 AGP | GeForce 9 |
Vitesse clock
| GPU clock | 400 MHz | 540 MHz |
|---|---|---|
| Mémoire clock | 490 MHz 980 Mbps effective | 500 MHz 1000 Mbps effective |
| Shader clock | — | 1300 MHz |
Mémoire
| Taille de la mémoire | 256 MB | 256 MB |
|---|---|---|
| Type de mémoire | GDDR3 | DDR2 |
| Bus mémoire | 256 bit | 64 bit |
| Bande passante | 31.36 GB/s | 8.000 GB/s |
Render Config
| Pixel shaders | 12 | — |
|---|---|---|
| Vertex shaders | 6 | — |
| TMUs | 12 | 4 |
| ROPs | 12 | 4 |
| Shading units | — | 8 |
| Comptage SM | — | 1 |
| Cache L2 | — | 16 KB |
Performance théorique
| Taux de pixel | 4.800 GPixel/s | 2.160 GPixel/s |
|---|---|---|
| Vertex rate | 600.0 MVertices/s | — |
| Taux de texture | 4.800 GTexel/s | 2.160 GTexel/s |
| FP32 (float) performance | — | 20.80 GFLOPS |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| TDP | 49 W | 25 W |
| Suggestions pour le PSU | 200 W | 200 W |
| Sorties | 1x DVI1x VGA1x S-Video | 1x DVI1x VGA1x S-Video |
| Connecteurs de puissance | 1x Molex | None |
| Board number | — | P561 |
Caractéristiques graphiques
| DirectX | 9.0b (9_2) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 2.1 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Pixel shader | 2.0b | — |
| Vertex shader | 2.0b | — |
| CUDA | — | 1.1 |
| Shader model | — | 4.0 |
