Nom du GPU | Cedar | R300 |
---|---|---|
GPU variant | Cedar LE | R300 GL |
Architecture | TeraScale 2 | Rage 8 |
Fonderie | TSMC | TSMC |
Taille du processus | 40 nm | 150 nm |
Transistors | 292 million | 110 million |
Taille des matrices | 59 mm² | 215 mm² |
Date de publication | Dec 4th, 2011 | Jul 1st, 2002 |
---|---|---|
Génération | Northern Islands | FireGL |
Prédécesseur | Evergreen | — |
Successeur | Southern Islands | — |
Production | End-of-life | End-of-life |
Bus interface | PCIe 2.0 x16 | AGP 8x |
Critiques | — | 1 in our database |
GPU clock | 650 MHz | 325 MHz |
---|---|---|
Mémoire clock | 800 MHz 1600 Mbps effective | 310 MHz 620 Mbps effective |
Taille de la mémoire | 1024 MB | 256 MB |
---|---|---|
Type de mémoire | GDDR3 | DDR |
Bus mémoire | 64 bit | 256 bit |
Bande passante | 12.80 GB/s | 19.84 GB/s |
Shading units | 80 | — |
---|---|---|
TMUs | 8 | 8 |
ROPs | 4 | 8 |
Compute units | 2 | — |
Cache L1 | 8 KB (per CU) | — |
Cache L2 | 128 KB | — |
Pixel shaders | — | 8 |
Vertex shaders | — | 4 |
Taux de pixel | 2.600 GPixel/s | 2.600 GPixel/s |
---|---|---|
Taux de texture | 5.200 GTexel/s | 2.600 GTexel/s |
FP32 (float) performance | 104.0 GFLOPS | — |
Vertex rate | — | 325.0 MVertices/s |
Taille Slot | Single-slot | Single-slot |
---|---|---|
Longueur | 168 mm 6.6 inches | — |
TDP | 19 W | 37 W |
Suggestions pour le PSU | 200 W | 200 W |
Sorties | 1x DVI1x HDMI | 2x DVI |
Connecteurs de puissance | None | None |
Board number | — | 942-00 |
DirectX | 11.2 (11_0) | 9.0 (9_0) |
---|---|---|
OpenGL | 4.4 | 2.0 |
OpenCL | 1.2 | — |
Vulkan | — | — |
Shader model | 5.0 | — |
Pixel shader | — | 2.0 |
Vertex shader | — | 2.0 |