Nom du GPU | Cedar | R423 |
---|---|---|
GPU variant | Cedar PRO | R423 GTO |
Architecture | TeraScale 2 | R400 |
Fonderie | TSMC | TSMC |
Taille du processus | 40 nm | 130 nm |
Transistors | 292 million | 160 million |
Taille des matrices | 59 mm² | 289 mm² |
Date de publication | Jan 31st, 2011 | Dec 29th, 2007 |
---|---|---|
Génération | Northern Islands | Radeon R400 PCIe |
Prédécesseur | Evergreen | Radeon R300 |
Successeur | Southern Islands | Radeon R500 PCIe |
Production | End-of-life | End-of-life |
Bus interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
Critiques | — | 226 in our database |
GPU clock | 650 MHz | 400 MHz |
---|---|---|
Mémoire clock | 500 MHz 1000 Mbps effective | 350 MHz 700 Mbps effective |
Taille de la mémoire | 512 MB | 128 MB |
---|---|---|
Type de mémoire | GDDR3 | DDR |
Bus mémoire | 64 bit | 256 bit |
Bande passante | 8.000 GB/s | 22.40 GB/s |
Shading units | 80 | — |
---|---|---|
TMUs | 8 | 12 |
ROPs | 4 | 12 |
Compute units | 2 | — |
Cache L1 | 8 KB (per CU) | — |
Cache L2 | 128 KB | — |
Pixel shaders | — | 12 |
Vertex shaders | — | 6 |
Taux de pixel | 2.600 GPixel/s | 4.800 GPixel/s |
---|---|---|
Taux de texture | 5.200 GTexel/s | 4.800 GTexel/s |
FP32 (float) performance | 104.0 GFLOPS | — |
Vertex rate | — | 600.0 MVertices/s |
Taille Slot | Single-slot | Single-slot |
---|---|---|
Longueur | 168 mm 6.6 inches | — |
TDP | 19 W | 49 W |
Suggestions pour le PSU | 200 W | 200 W |
Sorties | 1x DVI1x HDMI | 1x DVI1x VGA1x S-Video |
Connecteurs de puissance | None | — |
Board number | C026, C027 | — |
DirectX | 11.2 (11_0) | 9.0b (9_2) |
---|---|---|
OpenGL | 4.4 | 2.1 |
OpenCL | 1.2 | — |
Vulkan | — | — |
Shader model | 5.0 | — |
Pixel shader | — | 2.0b |
Vertex shader | — | 2.0b |