Nom du GPU | RS780 | R420 |
---|---|---|
Architecture | TeraScale | R400 |
Taille du processus | 65 nm | 130 nm |
Transistors | 180 million | 160 million |
Taille des matrices | 85 mm² | 281 mm² |
GPU variant | — | R420 GTO |
Fonderie | — | TSMC |
Date de publication | Mar 4th, 2008 | — |
---|---|---|
Génération | Radeon IGP (3000) | — |
Production | End-of-life | — |
Bus interface | PCIe 1.0 x16 | — |
GPU clock | 500 MHz | 400 MHz |
---|---|---|
Mémoire clock | System Shared | 490 MHz 980 Mbps effective |
Taille de la mémoire | System Shared | 256 MB |
---|---|---|
Type de mémoire | System Shared | GDDR3 |
Bus mémoire | System Shared | 256 bit |
Bande passante | System Dependent | 31.36 GB/s |
Shading units | 40 | — |
---|---|---|
TMUs | 4 | 12 |
ROPs | 4 | 12 |
Compute units | 2 | — |
Pixel shaders | — | 12 |
Vertex shaders | — | 6 |
Taux de pixel | 2.000 GPixel/s | 4.800 GPixel/s |
---|---|---|
Taux de texture | 2.000 GTexel/s | 4.800 GTexel/s |
FP32 (float) performance | 40.00 GFLOPS | — |
Vertex rate | — | 600.0 MVertices/s |
Taille Slot | IGP | Single-slot |
---|---|---|
TDP | unknown | 49 W |
Sorties | No outputs | 1x DVI1x VGA1x S-Video |
Suggestions pour le PSU | — | 200 W |
Connecteurs de puissance | — | 1x Molex |
DirectX | 10.0 (10_0) | 9.0b (9_2) |
---|---|---|
OpenGL | 3.3 | 2.1 |
OpenCL | 1.0 | — |
Vulkan | — | — |
Shader model | 4.1 | — |
Pixel shader | — | 2.0b |
Vertex shader | — | 2.0b |
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 |