GPU Name | Pitcairn | Amethyst |
---|---|---|
GPU Variante | Pitcairn PRO (215-0828062) | Amethyst XT |
Architektur | GCN 1.0 | GCN 3.0 |
Hersteller | TSMC | TSMC |
Prozessgröße | 28 nm | 28 nm |
Transistoren | 2,800 million | 5,000 million |
Chipgröße | 212 mm² | 366 mm² |
Veröffentlichungsdatum | Nov 23rd, 2014 | May 5th, 2015 |
---|---|---|
Generation | Crystal System (R9 M200) | Crystal System (R9 M300) |
Vorgänger | Solar System | Solar System |
Nachfolger | Mobility Radeon | Mobility Radeon |
Produktion | End-of-life | End-of-life |
Businterface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Basis-Taktfrequenz | 850 MHz | — |
---|---|---|
Boost-Takt | 975 MHz | — |
Speicher-Taktung | 1365 MHz 5.5 Gbps effective | 1250 MHz 5 Gbps effective |
GPU-Taktung | — | 723 MHz |
Speichergröße | 2 GB | 4 GB |
---|---|---|
Speichertyp | GDDR5 | GDDR5 |
Speicherbus | 256 bit | 256 bit |
Bandbreite | 174.7 GB/s | 160.0 GB/s |
Shading-Einheiten | 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 |
Pixelrate | 31.20 GPixel/s | 23.14 GPixel/s |
---|---|---|
Texturrate | 62.40 GTexel/s | 92.54 GTexel/s |
FP32 (float) Leistung | 1.997 TFLOPS | 2.961 TFLOPS |
FP64 (double) Leistung | 124.8 GFLOPS (1:16) | 185.1 GFLOPS (1:16) |
FP16 (half) Leistung | — | 2.961 TFLOPS (1:1) |
Steckplatzbreite | MXM Module | MXM Module |
---|---|---|
TDP | 80 W | 75 W |
Ausgabe | No outputs | No outputs |
Stromverbindung | None | None |
Board-Nummer | 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-Modell | 5.1 | 6.3 |