Nom du GPU | Pitcairn | Neptune |
---|---|---|
GPU variant | Pitcairn PRO (215-0828062) | Neptune XT (216-0847000) |
Architecture | GCN 1.0 | GCN 1.0 |
Fonderie | TSMC | TSMC |
Taille du processus | 28 nm | 28 nm |
Transistors | 2,800 million | 2,800 million |
Taille des matrices | 212 mm² | 212 mm² |
Date de publication | Mar 5th, 2012 | — |
---|---|---|
Génération | Southern Islands | — |
Production | End-of-life | — |
Prix de lancement | 249 USD | — |
Bus interface | PCIe 3.0 x16 | — |
Critiques | 71 in our database | — |
Prédécesseur | Northern Islands | — |
Successeur | Sea Islands | — |
GPU clock | 860 MHz | — |
---|---|---|
Mémoire clock | 1200 MHz 4.8 Gbps effective | 1200 MHz 4.8 Gbps effective |
Base clock | — | 850 MHz |
Boost clock | — | 900 MHz |
Taille de la mémoire | 2 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 256 bit | 256 bit |
Bande passante | 153.6 GB/s | 153.6 GB/s |
Shading units | 1024 | 1280 |
---|---|---|
TMUs | 64 | 80 |
ROPs | 32 | 32 |
Compute units | 16 | 20 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 512 KB |
Taux de pixel | 27.52 GPixel/s | 28.80 GPixel/s |
---|---|---|
Taux de texture | 55.04 GTexel/s | 72.00 GTexel/s |
FP32 (float) performance | 1.761 TFLOPS | 2.304 TFLOPS |
FP64 (double) performance | 110.1 GFLOPS (1:16) | 144.0 GFLOPS (1:16) |
Taille Slot | Dual-slot | MXM Module |
---|---|---|
Longueur | 210 mm 8.3 inches | — |
TDP | 130 W | 100 W |
Suggestions pour le PSU | 300 W | — |
Sorties | 1x DVI1x HDMI2x mini-DisplayPort | No outputs |
Connecteurs de puissance | 1x 6-pin | — |
Board number | C401-47 | — |
DirectX | 12 (11_1) | 12 (11_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 1.2 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 5.1 |
Date de publication | — | May 14th, 2013 |
---|---|---|
Génération | — | Solar System (HD 8900M) |
Production | — | End-of-life |
Bus interface | — | PCIe 3.0 x16 |
Prédécesseur | — | London |
Successeur | — | Crystal System |