GPU model | Polaris 21 | Xenos Corona |
---|---|---|
GPU variant | Polaris 21 PRO | Crayola 6 |
Architecture | GCN 4.0 | TeraScale |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 45 nm |
Number of transistors | 3,000 million | 372 million |
Die size | 123 mm² | 168 mm² |
Release date | Jun 5th, 2017 | — |
---|---|---|
Generation | Radeon Pro Mac (500 Series) | — |
Production | Active | — |
Interface | PCIe 3.0 x8 | — |
GPU clock | 850 MHz | 500 MHz |
---|---|---|
Memory clock | 1275 MHz 5.1 Gbps effective | 700 MHz 1400 Mbps effective |
Memory size | 2 GB | 512 MB |
---|---|---|
Memory type | GDDR5 | GDDR3 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 81.60 GB/s | 22.40 GB/s |
Shading units | 768 | 240 |
---|---|---|
TMUs | 48 | 16 |
ROPs | 16 | 8 |
Compute units | 12 | 3 |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 1024 KB | — |
Pixel rate | 13.60 GPixel/s | 4.000 GPixel/s |
---|---|---|
Texture rate | 40.80 GTexel/s | 8.000 GTexel/s |
FP16 (half) performance | 1,306 GFLOPS (1:1) | — |
FP32 (float) performance | 1,306 GFLOPS | 240.0 GFLOPS |
FP64 (double) performance | 81.60 GFLOPS (1:16) | — |
Slot width | IGP | IGP |
---|---|---|
TDP | 75 W | 120 W |
Outputs | No outputs | No outputs |
Power connectors | None | — |
Length | — | 264 mm 10.4 inches |
Width | — | 254 mm 10 inches |
Height | — | 67 mm 2.6 inches |
Weight | — | 2.9 kg (6.3 lbs) |
Suggested PSU | — | 350 W |
DirectX | 12 (12_0) | 9.0c (9_3) |
---|---|---|
OpenGL | 4.6 | — |
OpenCL | 2.1 | — |
Vulkan | 1.2 | — |
Shader model | 6.4 | 3.0 |
Release date | — | Jun 10th, 2013 |
---|---|---|
Generation | — | Console GPU |
Production | — | End-of-life |
Interface | — | IGP |
Launch price | — | 299 USD |