GPU model | Polaris 20 | Vega 10 |
---|---|---|
GPU variant | Polaris 20 | Vega 10 PRO |
Architecture | GCN 4.0 | GCN 5.0 |
Foundry | GlobalFoundries | GlobalFoundries |
Manufacturing process | 14 nm | 14 nm |
Number of transistors | 5,700 million | 12,500 million |
Die size | 232 mm² | 495 mm² |
Release date | Jun 5th, 2017 | Mar 19th, 2019 |
---|---|---|
Generation | Radeon Pro Mac (500 Series) | Radeon Pro Mac (Vega Series) |
Production | Active | Active |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Base clock | 1000 MHz | — |
---|---|---|
Boost clock | 1105 MHz | — |
Memory clock | 1695 MHz 6.8 Gbps effective | 786 MHz 1572 Mbps effective |
GPU clock | — | 1200 MHz |
Memory size | 4 GB | 8 GB |
---|---|---|
Memory type | GDDR5 | HBM2 |
Memory bus width | 256 bit | 2048 bit |
Bandwidth | 217.0 GB/s | 402.4 GB/s |
Shading units | 1792 | 3072 |
---|---|---|
TMUs | 112 | 192 |
ROPs | 32 | 64 |
Compute units | 28 | 48 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 2 MB | 4 MB |
Pixel rate | 35.36 GPixel/s | 76.80 GPixel/s |
---|---|---|
Texture rate | 123.8 GTexel/s | 230.4 GTexel/s |
FP16 (half) performance | 3.960 TFLOPS (1:1) | 14.75 TFLOPS (2:1) |
FP32 (float) performance | 3.960 TFLOPS | 7.373 TFLOPS |
FP64 (double) performance | 247.5 GFLOPS (1:16) | 460.8 GFLOPS (1:16) |
Slot width | IGP | IGP |
---|---|---|
TDP | 150 W | unknown |
Outputs | No outputs | No outputs |
Power connectors | None | None |
DirectX | 12 (12_0) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.4 |