GPU Name | Baffin | Polaris 21 |
---|---|---|
GPU Variante | Baffin XT | Polaris 21 PRO |
Architektur | GCN 4.0 | GCN 4.0 |
Hersteller | GlobalFoundries | GlobalFoundries |
Prozessgröße | 14 nm | 14 nm |
Transistoren | 3,000 million | 3,000 million |
Chipgröße | 123 mm² | 123 mm² |
Veröffentlichungsdatum | Oct 30th, 2016 | Jul 16th, 2018 |
---|---|---|
Generation | Radeon Pro Mac (400 Series) | Radeon Pro Mac (500X Series) |
Produktion | Active | Active |
Businterface | PCIe 3.0 x8 | PCIe 3.0 x8 |
Basis-Taktfrequenz | 850 MHz | — |
---|---|---|
Boost-Takt | 907 MHz | — |
Speicher-Taktung | 1270 MHz 5.1 Gbps effective | 1470 MHz 5.9 Gbps effective |
GPU-Taktung | — | 907 MHz |
Speichergröße | 4 GB | 4 GB |
---|---|---|
Speichertyp | GDDR5 | GDDR5 |
Speicherbus | 128 bit | 128 bit |
Bandbreite | 81.28 GB/s | 94.08 GB/s |
Shading-Einheiten | 1024 | 768 |
---|---|---|
TMUs | 64 | 48 |
ROPs | 16 | 16 |
Compute Units | 16 | 12 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 1024 KB | 1024 KB |
Pixelrate | 14.51 GPixel/s | 14.51 GPixel/s |
---|---|---|
Texturrate | 58.05 GTexel/s | 43.54 GTexel/s |
FP16 (half) Leistung | 1.858 TFLOPS (1:1) | 1,393 GFLOPS (1:1) |
FP32 (float) Leistung | 1.858 TFLOPS | 1,393 GFLOPS |
FP64 (double) Leistung | 116.1 GFLOPS (1:16) | 87.07 GFLOPS (1:16) |
Steckplatzbreite | IGP | IGP |
---|---|---|
TDP | 35 W | 75 W |
Ausgabe | No outputs | No outputs |
Stromverbindung | None | None |
DirectX | 12 (12_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader-Modell | 6.4 | 6.4 |