GPU model | Polaris 20 | Picasso |
---|---|---|
GPU variant | Polaris 20 | — |
Architecture | GCN 4.0 | GCN 5.0 |
Foundry | GlobalFoundries | GlobalFoundries |
Manufacturing process | 14 nm | 14 nm |
Number of transistors | 5,700 million | 4,940 million |
Die size | 232 mm² | 210 mm² |
Release date | Jun 5th, 2017 | — |
---|---|---|
Generation | Radeon Pro Mac (500 Series) | — |
Production | Active | — |
Interface | PCIe 3.0 x16 | — |
Base clock | 1000 MHz | 300 MHz |
---|---|---|
Boost clock | 1105 MHz | 1400 MHz |
Memory clock | 1695 MHz 6.8 Gbps effective | System Shared |
Memory size | 4 GB | System Shared |
---|---|---|
Memory type | GDDR5 | System Shared |
Memory bus width | 256 bit | System Shared |
Bandwidth | 217.0 GB/s | System Dependent |
Shading units | 1792 | 704 |
---|---|---|
TMUs | 112 | 44 |
ROPs | 32 | 8 |
Compute units | 28 | 11 |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 2 MB | — |
Pixel rate | 35.36 GPixel/s | 11.20 GPixel/s |
---|---|---|
Texture rate | 123.8 GTexel/s | 61.60 GTexel/s |
FP16 (half) performance | 3.960 TFLOPS (1:1) | 3.942 TFLOPS (2:1) |
FP32 (float) performance | 3.960 TFLOPS | 1.971 TFLOPS |
FP64 (double) performance | 247.5 GFLOPS (1:16) | 123.2 GFLOPS (1:16) |
Slot width | IGP | IGP |
---|---|---|
TDP | 150 W | 15 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 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.4 |
Release date | — | Jul 7th, 2019 |
---|---|---|
Generation | — | Picasso (Vega) |
Production | — | Active |
Interface | — | IGP |
Predecessor | — | Raven Ridge |
Successor | — | Renoir |