GPU Name | Heathrow | Polaris 23 |
---|---|---|
GPU Variante | Heathrow PRO | Polaris 23 MXL |
Architektur | GCN 1.0 | GCN 4.0 |
Hersteller | TSMC | GlobalFoundries |
Prozessgröße | 28 nm | 14 nm |
Transistoren | 1,500 million | 2,200 million |
Chipgröße | 123 mm² | 103 mm² |
Veröffentlichungsdatum | Apr 24th, 2012 | Apr 11th, 2018 |
---|---|---|
Generation | London (HD 7800M) | Mobility Radeon (RX M500X) |
Produktion | End-of-life | Active |
Businterface | PCIe 3.0 x16 | PCIe 3.0 x8 |
Vorgänger | Vancouver | Crystal System |
Nachfolger | Solar System | — |
GPU-Taktung | 675 MHz | — |
---|---|---|
Speicher-Taktung | 1000 MHz 4 Gbps effective | 1500 MHz 6 Gbps effective |
Basis-Taktfrequenz | — | 1124 MHz |
Boost-Takt | — | 1211 MHz |
Speichergröße | 2 GB | 2 GB |
---|---|---|
Speichertyp | GDDR5 | GDDR5 |
Speicherbus | 128 bit | 128 bit |
Bandbreite | 64.00 GB/s | 96.00 GB/s |
Shading-Einheiten | 640 | 512 |
---|---|---|
TMUs | 40 | 32 |
ROPs | 16 | 16 |
Compute Units | 10 | 8 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 512 KB |
Pixelrate | 10.80 GPixel/s | 19.38 GPixel/s |
---|---|---|
Texturrate | 27.00 GTexel/s | 38.75 GTexel/s |
FP32 (float) Leistung | 864.0 GFLOPS | 1,240 GFLOPS |
FP64 (double) Leistung | 54.00 GFLOPS (1:16) | 77.50 GFLOPS (1:16) |
FP16 (half) Leistung | — | 1,240 GFLOPS (1:1) |
TDP | 40 W | 50 W |
---|---|---|
Ausgabe | No outputs | No outputs |
Steckplatzbreite | — | IGP |
Stromverbindung | — | None |
DirectX | 12 (11_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader-Modell | 5.1 | 6.4 |