GPU Name | Polaris 20 | RS780 |
---|---|---|
GPU Variante | Polaris 20 | — |
Architektur | GCN 4.0 | TeraScale |
Hersteller | GlobalFoundries | — |
Prozessgröße | 14 nm | 65 nm |
Transistoren | 5,700 million | 180 million |
Chipgröße | 232 mm² | 85 mm² |
Veröffentlichungsdatum | Mar 18th, 2019 | — |
---|---|---|
Generation | Radeon Pro Mac (500X Series) | — |
Produktion | Active | — |
Businterface | PCIe 3.0 x16 | — |
Basis-Taktfrequenz | 1000 MHz | — |
---|---|---|
Boost-Takt | 1105 MHz | — |
Speicher-Taktung | 1700 MHz 6.8 Gbps effective | System Shared |
GPU-Taktung | — | 500 MHz |
Speichergröße | 4 GB | System Shared |
---|---|---|
Speichertyp | GDDR5 | System Shared |
Speicherbus | 256 bit | System Shared |
Bandbreite | 217.6 GB/s | System Dependent |
Shading-Einheiten | 1792 | 40 |
---|---|---|
TMUs | 112 | 4 |
ROPs | 32 | 4 |
Compute Units | 28 | 2 |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 2 MB | — |
Pixelrate | 35.36 GPixel/s | 2.000 GPixel/s |
---|---|---|
Texturrate | 123.8 GTexel/s | 2.000 GTexel/s |
FP16 (half) Leistung | 3.960 TFLOPS (1:1) | — |
FP32 (float) Leistung | 3.960 TFLOPS | 40.00 GFLOPS |
FP64 (double) Leistung | 247.5 GFLOPS (1:16) | — |
Steckplatzbreite | IGP | IGP |
---|---|---|
TDP | 150 W | unknown |
Ausgabe | No outputs | No outputs |
Stromverbindung | None | — |
DirectX | 12 (12_0) | 10.0 (10_0) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 2.1 | 1.0 |
Vulkan | 1.2 | — |
Shader-Modell | 6.4 | 4.1 |
Veröffentlichungsdatum | — | Mar 4th, 2008 |
---|---|---|
Generation | — | Radeon IGP (2000) |
Produktion | — | End-of-life |
Businterface | — | PCIe 1.0 x16 |