Nom du GPU | Pitcairn | Amethyst |
---|---|---|
GPU variant | Pitcairn PRO (215-0828062) | Amethyst XT |
Architecture | GCN 1.0 | GCN 3.0 |
Fonderie | TSMC | TSMC |
Taille du processus | 28 nm | 28 nm |
Transistors | 2,800 million | 5,000 million |
Taille des matrices | 212 mm² | 366 mm² |
Date de publication | Nov 23rd, 2014 | May 5th, 2015 |
---|---|---|
Génération | Crystal System (R9 M200) | Crystal System (R9 M300) |
Prédécesseur | Solar System | Solar System |
Successeur | Mobility Radeon | Mobility Radeon |
Production | End-of-life | End-of-life |
Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Base clock | 850 MHz | — |
---|---|---|
Boost clock | 975 MHz | — |
Mémoire clock | 1365 MHz 5.5 Gbps effective | 1250 MHz 5 Gbps effective |
GPU clock | — | 723 MHz |
Taille de la mémoire | 2 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 256 bit | 256 bit |
Bande passante | 174.7 GB/s | 160.0 GB/s |
Shading units | 1024 | 2048 |
---|---|---|
TMUs | 64 | 128 |
ROPs | 32 | 32 |
Compute units | 16 | 32 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 512 KB |
Taux de pixel | 31.20 GPixel/s | 23.14 GPixel/s |
---|---|---|
Taux de texture | 62.40 GTexel/s | 92.54 GTexel/s |
FP32 (float) performance | 1.997 TFLOPS | 2.961 TFLOPS |
FP64 (double) performance | 124.8 GFLOPS (1:16) | 185.1 GFLOPS (1:16) |
FP16 (half) performance | — | 2.961 TFLOPS (1:1) |
Taille Slot | MXM Module | MXM Module |
---|---|---|
TDP | 80 W | 75 W |
Sorties | No outputs | No outputs |
Connecteurs de puissance | None | None |
Board number | C608 | C608 |
DirectX | 12 (11_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 6.3 |