GPU Name | Navi 14 | Polaris 21 |
---|---|---|
GPU Variante | Navi 14 ULA | Polaris 21 XT (215-0908004) |
Architektur | RDNA 1.0 | GCN 4.0 |
Hersteller | TSMC | GlobalFoundries |
Prozessgröße | 7 nm | 14 nm |
Transistoren | 6,400 million | 3,000 million |
Chipgröße | 158 mm² | 123 mm² |
Veröffentlichungsdatum | Nov 13th, 2019 | Jul 16th, 2018 |
---|---|---|
Generation | Radeon Pro Mac (Navi Mobile) | Radeon Pro Mac (500X Series) |
Produktion | Active | Active |
Businterface | PCIe 4.0 x8 | PCIe 3.0 x8 |
Basis-Taktfrequenz | 1000 MHz | — |
---|---|---|
Boost-Takt | 1450 MHz | — |
Speicher-Taktung | 1500 MHz 12 Gbps effective | 1470 MHz 5.9 Gbps effective |
GPU-Taktung | — | 1004 MHz |
Speichergröße | 8 GB | 4 GB |
---|---|---|
Speichertyp | GDDR6 | GDDR5 |
Speicherbus | 128 bit | 128 bit |
Bandbreite | 192.0 GB/s | 94.08 GB/s |
Shading-Einheiten | 1536 | 1024 |
---|---|---|
TMUs | 96 | 64 |
ROPs | 32 | 16 |
Compute Units | 24 | 16 |
Cache L2 | 2 MB | 1024 KB |
Cache L1 | — | 16 KB (per CU) |
Pixelrate | 46.40 GPixel/s | 16.06 GPixel/s |
---|---|---|
Texturrate | 139.2 GTexel/s | 64.26 GTexel/s |
FP16 (half) Leistung | 8.909 TFLOPS (2:1) | 2.056 TFLOPS (1:1) |
FP32 (float) Leistung | 4.454 TFLOPS | 2.056 TFLOPS |
FP64 (double) Leistung | 278.4 GFLOPS (1:16) | 128.5 GFLOPS (1:16) |
TDP | 85 W | 75 W |
---|---|---|
Ausgabe | No outputs | No outputs |
Stromverbindung | None | None |
Steckplatzbreite | — | IGP |
DirectX | 12 (12_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader-Modell | 6.5 | 6.4 |