Nom du GPU | RV770 | Litho |
---|---|---|
GPU variant | RV770 PRO | Litho XT |
Architecture | TeraScale | GCN 1.0 |
Fonderie | TSMC | TSMC |
Taille du processus | 55 nm | 28 nm |
Transistors | 956 million | 690 million |
Taille des matrices | 256 mm² | 56 mm² |
Date de publication | Jun 16th, 2008 | — |
---|---|---|
Génération | FireStream | — |
Production | End-of-life | — |
Bus interface | PCIe 2.0 x16 | — |
GPU clock | 625 MHz | — |
---|---|---|
Mémoire clock | 993 MHz 1986 Mbps effective | 1000 MHz 4 Gbps effective |
Base clock | — | 825 MHz |
Boost clock | — | 960 MHz |
Taille de la mémoire | 1024 MB | 2 GB |
---|---|---|
Type de mémoire | GDDR3 | GDDR5 |
Bus mémoire | 256 bit | 128 bit |
Bande passante | 63.55 GB/s | 64.00 GB/s |
Shading units | 800 | 384 |
---|---|---|
TMUs | 40 | 24 |
ROPs | 16 | 8 |
Compute units | 10 | 6 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 256 KB |
Taux de pixel | 10.00 GPixel/s | 7.680 GPixel/s |
---|---|---|
Taux de texture | 25.00 GTexel/s | 23.04 GTexel/s |
FP32 (float) performance | 1,000 GFLOPS | 737.3 GFLOPS |
FP64 (double) performance | 200.0 GFLOPS (1:5) | 46.08 GFLOPS (1:16) |
Taille Slot | Single-slot | — |
---|---|---|
Longueur | 234 mm 9.2 inches | — |
Taille | 111 mm 4.4 inches | — |
TDP | 150 W | unknown |
Suggestions pour le PSU | 450 W | — |
Sorties | 1x DVI | No outputs |
Connecteurs de puissance | 1x 6-pin | — |
DirectX | 10.1 (10_1) | 12 (11_1) |
---|---|---|
OpenGL | 3.3 | 4.6 |
OpenCL | 1.1 | 1.2 |
Vulkan | — | 1.2 |
Shader model | 4.1 | 5.1 |
Date de publication | — | May 15th, 2016 |
---|---|---|
Génération | — | Crystal System (R7 M400) |
Production | — | End-of-life |
Bus interface | — | PCIe 3.0 x8 |
Prédécesseur | — | Solar System |
Successeur | — | Mobility Radeon |