GPU model | Navi 14 | Polaris 20 |
---|---|---|
GPU variant | Navi 14 PRO XL | Polaris 20 |
Architecture | RDNA 1.0 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 7 nm | 14 nm |
Number of transistors | 6,400 million | 5,700 million |
Die size | 158 mm² | 232 mm² |
Release date | Aug 4th, 2020 | — |
---|---|---|
Generation | Radeon Pro Mac | — |
Production | Active | — |
Interface | PCIe 4.0 x8 | — |
Base clock | 1187 MHz | 1000 MHz |
---|---|---|
Boost clock | 1757 MHz | 1105 MHz |
Memory clock | 1750 MHz 14 Gbps effective | 1695 MHz 6.8 Gbps effective |
Memory size | 8 GB | 4 GB |
---|---|---|
Memory type | GDDR6 | GDDR5 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 224.0 GB/s | 217.0 GB/s |
Shading units | 1536 | 1792 |
---|---|---|
TMUs | 96 | 112 |
ROPs | 32 | 32 |
Compute units | 24 | 28 |
Cache L2 | 2 MB | 2 MB |
Cache L1 | — | 16 KB (per CU) |
Pixel rate | 56.22 GPixel/s | 35.36 GPixel/s |
---|---|---|
Texture rate | 168.7 GTexel/s | 123.8 GTexel/s |
FP16 (half) performance | 10.80 TFLOPS (2:1) | 3.960 TFLOPS (1:1) |
FP32 (float) performance | 5.398 TFLOPS | 3.960 TFLOPS |
FP64 (double) performance | 337.3 GFLOPS (1:16) | 247.5 GFLOPS (1:16) |
Slot width | IGP | IGP |
---|---|---|
TDP | 125 W | 150 W |
Suggested PSU | 300 W | — |
Outputs | No outputs | No outputs |
Power connectors | None | None |
DirectX | 12 (12_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.5 | 6.4 |
Release date | — | Jun 5th, 2017 |
---|---|---|
Generation | — | Radeon Pro Mac (500 Series) |
Production | — | Active |
Interface | — | PCIe 3.0 x16 |