GPU Name | Vega 12 | Amethyst |
---|---|---|
GPU Variante | Vega 12 XTA | Amethyst XT |
Architektur | GCN 5.0 | GCN 3.0 |
Hersteller | GlobalFoundries | TSMC |
Prozessgröße | 14 nm | 28 nm |
Transistoren | unknown | 5,000 million |
Chipgröße | unknown | 366 mm² |
Veröffentlichungsdatum | Nov 14th, 2018 | Nov 23rd, 2014 |
---|---|---|
Generation | Radeon Pro Mac (Vega Series) | Crystal System (R9 M200) |
Produktion | Active | End-of-life |
Businterface | PCIe 3.0 x16 | MXM-B (3.0) |
Vorgänger | — | Solar System |
Nachfolger | — | Mobility Radeon |
Basis-Taktfrequenz | 815 MHz | — |
---|---|---|
Boost-Takt | 1283 MHz | — |
Speicher-Taktung | 740 MHz 1480 Mbps effective | 1362 MHz 5.4 Gbps effective |
GPU-Taktung | — | 850 MHz |
Speichergröße | 4 GB | 4 GB |
---|---|---|
Speichertyp | HBM2 | GDDR5 |
Speicherbus | 1024 bit | 256 bit |
Bandbreite | 189.4 GB/s | 174.3 GB/s |
Shading-Einheiten | 1280 | 2048 |
---|---|---|
TMUs | 80 | 128 |
ROPs | 32 | 32 |
Compute Units | 20 | 32 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 1024 KB | 512 KB |
Pixelrate | 41.06 GPixel/s | 27.20 GPixel/s |
---|---|---|
Texturrate | 102.6 GTexel/s | 108.8 GTexel/s |
FP16 (half) Leistung | 6.569 TFLOPS (2:1) | 3.482 TFLOPS (1:1) |
FP32 (float) Leistung | 3.284 TFLOPS | 3.482 TFLOPS |
FP64 (double) Leistung | 205.3 GFLOPS (1:16) | 217.6 GFLOPS (1:16) |
Steckplatzbreite | IGP | MXM Module |
---|---|---|
TDP | 100 W | 250 W |
Ausgabe | No outputs | No outputs |
DirectX | 12 (12_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.0 |
Vulkan | 1.2 | 1.2 |
Shader-Modell | 6.3 | 6.3 |