Nom du GPU | Cedar | RS880 |
---|---|---|
GPU variant | Cedar PRO | RS880M |
Architecture | TeraScale 2 | TeraScale |
Fonderie | TSMC | — |
Taille du processus | 40 nm | 55 nm |
Transistors | 292 million | 181 million |
Taille des matrices | 59 mm² | 67 mm² |
Date de publication | Jan 31st, 2011 | — |
---|---|---|
Génération | Northern Islands | — |
Prédécesseur | Evergreen | — |
Successeur | Southern Islands | — |
Production | End-of-life | — |
Bus interface | PCIe 2.0 x16 | — |
GPU clock | 650 MHz | 590 MHz |
---|---|---|
Mémoire clock | 500 MHz 1000 Mbps effective | System Shared |
Taille de la mémoire | 512 MB | System Shared |
---|---|---|
Type de mémoire | GDDR3 | System Shared |
Bus mémoire | 64 bit | System Shared |
Bande passante | 8.000 GB/s | System Dependent |
Shading units | 80 | 40 |
---|---|---|
TMUs | 8 | 4 |
ROPs | 4 | 4 |
Compute units | 2 | 2 |
Cache L1 | 8 KB (per CU) | — |
Cache L2 | 128 KB | — |
Taux de pixel | 2.600 GPixel/s | 2.360 GPixel/s |
---|---|---|
Taux de texture | 5.200 GTexel/s | 2.360 GTexel/s |
FP32 (float) performance | 104.0 GFLOPS | 47.20 GFLOPS |
Taille Slot | Single-slot | IGP |
---|---|---|
Longueur | 168 mm 6.6 inches | — |
TDP | 19 W | unknown |
Suggestions pour le PSU | 200 W | — |
Sorties | 1x DVI1x HDMI | No outputs |
Connecteurs de puissance | None | None |
Board number | C026, C027 | — |
DirectX | 11.2 (11_0) | 10.1 (10_1) |
---|---|---|
OpenGL | 4.4 | 3.3 |
OpenCL | 1.2 | 1.0 |
Vulkan | — | — |
Shader model | 5.0 | 4.1 |
Date de publication | — | May 1st, 2010 |
---|---|---|
Génération | — | Radeon IGP (Mobility HD 4000) |
Production | — | End-of-life |
Bus interface | — | PCIe 1.0 x16 |
Successeur | — | Palm |