Nom du GPU | M88 | Redwood |
---|---|---|
Architecture | TeraScale | TeraScale 2 |
Fonderie | TSMC | TSMC |
Taille du processus | 55 nm | 40 nm |
Transistors | 666 million | 627 million |
Taille des matrices | 192 mm² | 104 mm² |
GPU variant | — | Redwood PRO2 |
Date de publication | Jun 4th, 2008 | — |
---|---|---|
Génération | M8x (Mobility HD 3800) | — |
Production | End-of-life | — |
Bus interface | PCIe 2.0 x16 | — |
Critiques | 2 in our database | — |
Prédécesseur | M7x | — |
Successeur | M9x | — |
GPU clock | 580 MHz | 550 MHz |
---|---|---|
Mémoire clock | 750 MHz 1500 Mbps effective | 800 MHz 3.2 Gbps effective |
Taille de la mémoire | 512 MB | 512 MB |
---|---|---|
Type de mémoire | GDDR3 | GDDR5 |
Bus mémoire | 256 bit | 128 bit |
Bande passante | 48.00 GB/s | 51.20 GB/s |
Shading units | 320 | 320 |
---|---|---|
TMUs | 16 | 16 |
ROPs | 16 | 8 |
Compute units | 4 | 4 |
Cache L2 | 256 KB | 256 KB |
Cache L1 | — | 8 KB (per CU) |
Taux de pixel | 9.280 GPixel/s | 4.400 GPixel/s |
---|---|---|
Taux de texture | 9.280 GTexel/s | 8.800 GTexel/s |
FP32 (float) performance | 371.2 GFLOPS | 352.0 GFLOPS |
FP64 (double) performance | 74.24 GFLOPS (1:5) | — |
TDP | 70 W | 39 W |
---|---|---|
Sorties | No outputs | 1x DVI1x HDMI1x VGA |
Taille Slot | — | Single-slot |
Longueur | — | 165 mm 6.5 inches |
Suggestions pour le PSU | — | 200 W |
Connecteurs de puissance | — | None |
Board number | — | C021, C025, C029 |
DirectX | 10.1 (10_1) | 11.2 (11_0) |
---|---|---|
OpenGL | 3.3 | 4.4 |
OpenCL | — | 1.2 |
Vulkan | — | — |
Shader model | 4.1 | 5.0 |
Date de publication | — | Feb 9th, 2010 |
---|---|---|
Génération | — | Evergreen |
Production | — | End-of-life |
Bus interface | — | PCIe 2.0 x16 |
Critiques | — | 29 in our database |
Prédécesseur | — | Radeon R700 |
Successeur | — | Northern Islands |