GPU model | Polaris 21 | Picasso |
---|---|---|
GPU variant | Polaris 21M XT | — |
Architecture | GCN 4.0 | GCN 5.0 |
Foundry | GlobalFoundries | GlobalFoundries |
Manufacturing process | 14 nm | 14 nm |
Number of transistors | 3,000 million | 4,940 million |
Die size | 123 mm² | 210 mm² |
Release date | Apr 11th, 2018 | — |
---|---|---|
Generation | Mobility Radeon (RX M500X) | — |
Production | Active | — |
Interface | MXM-B (3.0) | — |
Predecessor | Crystal System | — |
GPU clock | 1275 MHz | — |
---|---|---|
Memory clock | 1450 MHz 5.8 Gbps effective | System Shared |
Base clock | — | 300 MHz |
Boost clock | — | 1400 MHz |
Memory size | 4 GB | System Shared |
---|---|---|
Memory type | GDDR5 | System Shared |
Memory bus width | 128 bit | System Shared |
Bandwidth | 92.80 GB/s | System Dependent |
Shading units | 1024 | 704 |
---|---|---|
TMUs | 64 | 44 |
ROPs | 16 | 8 |
Compute units | 16 | 11 |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 1024 KB | — |
Pixel rate | 20.40 GPixel/s | 11.20 GPixel/s |
---|---|---|
Texture rate | 81.60 GTexel/s | 61.60 GTexel/s |
FP16 (half) performance | 2.611 TFLOPS (1:1) | 3.942 TFLOPS (2:1) |
FP32 (float) performance | 2.611 TFLOPS | 1.971 TFLOPS |
FP64 (double) performance | 163.2 GFLOPS (1:16) | 123.2 GFLOPS (1:16) |
Slot width | MXM Module | IGP |
---|---|---|
TDP | 65 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 | — | Sep 30th, 2019 |
---|---|---|
Generation | — | Picasso (Vega) |
Production | — | Active |
Interface | — | IGP |
Predecessor | — | Raven Ridge |
Successor | — | Renoir |