Nom du GPU | Thames | Sun |
---|---|---|
GPU variant | Thames PRO | Sun PRO |
Architecture | TeraScale 2 | GCN 1.0 |
Fonderie | TSMC | TSMC |
Taille du processus | 40 nm | 28 nm |
Transistors | 716 million | 690 million |
Taille des matrices | 104 mm² | 56 mm² |
Date de publication | Jan 7th, 2012 | Mar 1st, 2013 |
---|---|---|
Génération | London (HD 7600M) | Solar System (HD 8500M) |
Production | End-of-life | End-of-life |
Bus interface | PCIe 2.0 x16 | PCIe 3.0 x8 |
Prédécesseur | Vancouver | London |
Successeur | Solar System | Crystal System |
GPU clock | 450 MHz | — |
---|---|---|
Mémoire clock | 800 MHz 1600 Mbps effective | 1000 MHz 2 Gbps effective |
Base clock | — | 750 MHz |
Boost clock | — | 825 MHz |
Taille de la mémoire | 1024 MB | 1024 MB |
---|---|---|
Type de mémoire | DDR3 | DDR3 |
Bus mémoire | 128 bit | 64 bit |
Bande passante | 25.60 GB/s | 16.00 GB/s |
Shading units | 480 | 320 |
---|---|---|
TMUs | 24 | 20 |
ROPs | 16 | 8 |
Compute units | 6 | 5 |
Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 128 KB |
Taux de pixel | 7.200 GPixel/s | 6.600 GPixel/s |
---|---|---|
Taux de texture | 10.80 GTexel/s | 16.50 GTexel/s |
FP32 (float) performance | 432.0 GFLOPS | 528.0 GFLOPS |
FP64 (double) performance | — | 33.00 GFLOPS (1:16) |
TDP | 20 W | unknown |
---|---|---|
Sorties | No outputs | No outputs |
DirectX | 11.2 (11_0) | 12 (11_1) |
---|---|---|
OpenGL | 4.4 | 4.6 |
OpenCL | 1.2 | 1.2 |
Vulkan | — | 1.2 |
Shader model | 5.0 | 5.1 |