GPU model | Polaris 20 | Baffin |
---|---|---|
GPU variant | Polaris 20 | Baffin PRO |
Architecture | GCN 4.0 | GCN 4.0 |
Foundry | GlobalFoundries | GlobalFoundries |
Manufacturing process | 14 nm | 14 nm |
Number of transistors | 5,700 million | 3,000 million |
Die size | 232 mm² | 123 mm² |
Release date | Mar 18th, 2019 | Mar 1st, 2017 |
---|---|---|
Generation | Radeon Pro Mac (500X Series) | Radeon Pro Mobile (WX x100) |
Production | Active | Active |
Interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
Base clock | 1000 MHz | 1002 MHz |
---|---|---|
Boost clock | 1105 MHz | 1053 MHz |
Memory clock | 1700 MHz 6.8 Gbps effective | 1500 MHz 6 Gbps effective |
Memory size | 4 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 128 bit |
Bandwidth | 217.6 GB/s | 96.00 GB/s |
Shading units | 1792 | 896 |
---|---|---|
TMUs | 112 | 56 |
ROPs | 32 | 16 |
Compute units | 28 | 14 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 2 MB | 1024 KB |
Pixel rate | 35.36 GPixel/s | 16.85 GPixel/s |
---|---|---|
Texture rate | 123.8 GTexel/s | 58.97 GTexel/s |
FP16 (half) performance | 3.960 TFLOPS (1:1) | 1.887 TFLOPS (1:1) |
FP32 (float) performance | 3.960 TFLOPS | 1.887 TFLOPS |
FP64 (double) performance | 247.5 GFLOPS (1:16) | 117.9 GFLOPS (1:16) |
Slot width | IGP | MXM Module |
---|---|---|
TDP | 150 W | 50 W |
Outputs | No outputs | No outputs |
Power connectors | 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 model | 6.4 | 6.4 |