Nom du GPU | R420 | C78 |
---|---|---|
GPU variant | R420 GT (215RAACGA12F) | — |
Architecture | R400 | Tesla |
Fonderie | TSMC | — |
Taille du processus | 130 nm | 80 nm |
Transistors | 160 million | 210 million |
Taille des matrices | 281 mm² | 127 mm² |
Date de publication | Nov 8th, 2007 | — |
---|---|---|
Génération | Radeon R400 AGP | — |
Production | End-of-life | — |
Bus interface | AGP 8x | — |
Critiques | 226 in our database | — |
Prédécesseur | Radeon R300 | — |
Successeur | Radeon R500 AGP | — |
GPU clock | 473 MHz | 500 MHz |
---|---|---|
Mémoire clock | 493 MHz 986 Mbps effective | System Shared |
Shader clock | — | 1200 MHz |
Taille de la mémoire | 256 MB | System Shared |
---|---|---|
Type de mémoire | GDDR3 | System Shared |
Bus mémoire | 256 bit | System Shared |
Bande passante | 31.55 GB/s | System Dependent |
Pixel shaders | 8 | — |
---|---|---|
Vertex shaders | 6 | — |
TMUs | 8 | 8 |
ROPs | 8 | 4 |
Shading units | — | 16 |
Comptage SM | — | 2 |
Taux de pixel | 3.784 GPixel/s | 2.000 GPixel/s |
---|---|---|
Vertex rate | 709.5 MVertices/s | — |
Taux de texture | 3.784 GTexel/s | 4.000 GTexel/s |
FP32 (float) performance | — | 38.40 GFLOPS |
Taille Slot | Single-slot | IGP |
---|---|---|
TDP | 40 W | 40 W |
Suggestions pour le PSU | 200 W | — |
Sorties | 1x DVI1x VGA1x S-Video | 1x DVI1x VGA1x S-Video |
Connecteurs de puissance | 1x Molex | — |
DirectX | 9.0b (9_2) | 11.1 (10_0) |
---|---|---|
OpenGL | 2.1 | 3.3 |
OpenCL | — | — |
Vulkan | — | — |
Pixel shader | 2.0b | — |
Vertex shader | 2.0b | — |
Shader model | — | 4.0 |
Date de publication | — | Apr 17th, 2007 |
---|---|---|
Génération | — | GeForce 9 IGP |
Production | — | End-of-life |
Bus interface | — | PCI |
Prédécesseur | — | GeForce 8 IGP |