GPU model | Polaris 21 | GP107 |
---|---|---|
GPU variant | Polaris 21 PRO | — |
Architecture | GCN 4.0 | Pascal |
Foundry | GlobalFoundries | Samsung |
Manufacturing process | 14 nm | 14 nm |
Number of transistors | 3,000 million | 3,300 million |
Die size | 123 mm² | 132 mm² |
Release date | Jun 5th, 2017 | Feb 7th, 2017 |
---|---|---|
Generation | Radeon Pro Mac (500 Series) | Quadro Mobile (Px000) |
Production | Active | End-of-life |
Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
GPU clock | 850 MHz | — |
---|---|---|
Memory clock | 1275 MHz 5.1 Gbps effective | 1253 MHz 5 Gbps effective |
Base clock | — | 1430 MHz |
Boost clock | — | 1557 MHz |
Memory size | 2 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 81.60 GB/s | 80.19 GB/s |
Shading units | 768 | 384 |
---|---|---|
TMUs | 48 | 24 |
ROPs | 16 | 16 |
Compute units | 12 | — |
Cache L1 | 16 KB (per CU) | 48 KB (per SM) |
Cache L2 | 1024 KB | 1024 KB |
SM count | — | 3 |
Pixel rate | 13.60 GPixel/s | 24.91 GPixel/s |
---|---|---|
Texture rate | 40.80 GTexel/s | 37.37 GTexel/s |
FP16 (half) performance | 1,306 GFLOPS (1:1) | 18.68 GFLOPS (1:64) |
FP32 (float) performance | 1,306 GFLOPS | 1,196 GFLOPS |
FP64 (double) performance | 81.60 GFLOPS (1:16) | 37.37 GFLOPS (1:32) |
Slot width | IGP | — |
---|---|---|
TDP | 75 W | 25 W |
Outputs | No outputs | No outputs |
Power connectors | None | None |
DirectX | 12 (12_0) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 3.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.4 |
CUDA | — | 6.1 |