GPU Name | Amethyst | Polaris 21 |
---|---|---|
GPU Variante | Amethyst XT | Polaris 21M XT |
Architektur | GCN 3.0 | GCN 4.0 |
Hersteller | TSMC | GlobalFoundries |
Prozessgröße | 28 nm | 14 nm |
Transistoren | 5,000 million | 3,000 million |
Chipgröße | 366 mm² | 123 mm² |
Veröffentlichungsdatum | May 15th, 2016 | Apr 11th, 2018 |
---|---|---|
Generation | Crystal System (R9 M400) | Mobility Radeon (RX M500X) |
Produktion | End-of-life | Active |
Businterface | MXM-B (3.0) | MXM-B (3.0) |
Vorgänger | Solar System | Crystal System |
Nachfolger | Mobility Radeon | — |
GPU-Taktung | 723 MHz | 1275 MHz |
---|---|---|
Speicher-Taktung | 1250 MHz 5 Gbps effective | 1450 MHz 5.8 Gbps effective |
Speichergröße | 8 GB | 4 GB |
---|---|---|
Speichertyp | GDDR5 | GDDR5 |
Speicherbus | 256 bit | 128 bit |
Bandbreite | 160.0 GB/s | 92.80 GB/s |
Shading-Einheiten | 2048 | 1024 |
---|---|---|
TMUs | 128 | 64 |
ROPs | 32 | 16 |
Compute Units | 32 | 16 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 1024 KB |
Pixelrate | 23.14 GPixel/s | 20.40 GPixel/s |
---|---|---|
Texturrate | 92.54 GTexel/s | 81.60 GTexel/s |
FP16 (half) Leistung | 2.961 TFLOPS (1:1) | 2.611 TFLOPS (1:1) |
FP32 (float) Leistung | 2.961 TFLOPS | 2.611 TFLOPS |
FP64 (double) Leistung | 185.1 GFLOPS (1:16) | 163.2 GFLOPS (1:16) |
Steckplatzbreite | MXM Module | MXM Module |
---|---|---|
TDP | 250 W | 65 W |
Ausgabe | No outputs | No outputs |
Stromverbindung | None | None |
DirectX | 12 (12_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.0 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader-Modell | 6.3 | 6.4 |