Nom du GPU | Thames | Pitcairn |
---|---|---|
GPU variant | Thames XT (216-0833000) | Pitcairn XT (215-0828047) |
Architecture | TeraScale 2 | GCN 1.0 |
Fonderie | TSMC | TSMC |
Taille du processus | 40 nm | 28 nm |
Transistors | 716 million | 2,800 million |
Taille des matrices | 104 mm² | 212 mm² |
Date de publication | Dec 25th, 2011 | — |
---|---|---|
Génération | London (HD 7600M) | — |
Production | End-of-life | — |
Bus interface | MXM-A (3.0) | — |
Prédécesseur | Vancouver | — |
Successeur | Solar System | — |
GPU clock | 725 MHz | 1000 MHz |
---|---|---|
Mémoire clock | 900 MHz 1800 Mbps effective | 1200 MHz 4.8 Gbps effective |
Taille de la mémoire | 1024 MB | 2 GB |
---|---|---|
Type de mémoire | DDR3 | GDDR5 |
Bus mémoire | 128 bit | 256 bit |
Bande passante | 28.80 GB/s | 153.6 GB/s |
Shading units | 480 | 1280 |
---|---|---|
TMUs | 24 | 80 |
ROPs | 16 | 32 |
Compute units | 6 | 20 |
Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 512 KB |
Taux de pixel | 11.60 GPixel/s | 32.00 GPixel/s |
---|---|---|
Taux de texture | 17.40 GTexel/s | 80.00 GTexel/s |
FP32 (float) performance | 696.0 GFLOPS | 2.560 TFLOPS |
FP64 (double) performance | — | 160.0 GFLOPS (1:16) |
Taille Slot | MXM Module | Dual-slot |
---|---|---|
TDP | 20 W | 175 W |
Sorties | No outputs | 1x DVI1x HDMI2x mini-DisplayPort |
Connecteurs de puissance | None | 2x 6-pin |
Board number | C017 | C401 |
Longueur | — | 241 mm 9.5 inches |
Suggestions pour le PSU | — | 450 W |
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 |
Date de publication | — | Jan 8th, 2013 |
---|---|---|
Génération | — | Sea Islands |
Production | — | End-of-life |
Bus interface | — | PCIe 3.0 x16 |
Prédécesseur | — | Southern Islands |
Successeur | — | Volcanic Islands |