GPU model | Polaris 20 | Cezanne |
---|---|---|
GPU variant | Polaris 20 XTR (215-0910066) | — |
Architecture | GCN 4.0 | GCN 5.1 |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 7 nm |
Number of transistors | 5,700 million | 9,800 million |
Die size | 232 mm² | 156 mm² |
Release date | Mar 9th, 2020 | — |
---|---|---|
Generation | Polaris | — |
Production | Active | — |
Interface | PCIe 3.0 x16 | — |
Predecessor | Arctic Islands | — |
Successor | Vega | — |
Base clock | 1257 MHz | 300 MHz |
---|---|---|
Boost clock | 1380 MHz | 1900 MHz |
Memory clock | 2000 MHz 8 Gbps effective | System Shared |
Memory size | 8 GB | System Shared |
---|---|---|
Memory type | GDDR5 | System Shared |
Memory bus width | 256 bit | System Shared |
Bandwidth | 256.0 GB/s | System Dependent |
Shading units | 2304 | 448 |
---|---|---|
TMUs | 144 | 28 |
ROPs | 32 | 8 |
Compute units | 36 | 7 |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 2 MB | — |
Pixel rate | 44.16 GPixel/s | 15.20 GPixel/s |
---|---|---|
Texture rate | 198.7 GTexel/s | 53.20 GTexel/s |
FP16 (half) performance | 6.359 TFLOPS (1:1) | 3.405 TFLOPS (2:1) |
FP32 (float) performance | 6.359 TFLOPS | 1.702 TFLOPS |
FP64 (double) performance | 397.4 GFLOPS (1:16) | 106.4 GFLOPS (1:16) |
Slot width | Dual-slot | IGP |
---|---|---|
Length | 241 mm 9.5 inches | — |
TDP | 175 W | 45 W |
Suggested PSU | 450 W | — |
Outputs | 1x HDMI3x DisplayPort | No outputs |
Power connectors | 1x 8-pin | None |
Board number | C940 | — |
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 | — | Apr 13th, 2021 |
---|---|---|
Generation | — | Cezanne (Vega) |
Predecessor | — | Renoir |
Production | — | Active |
Interface | — | IGP |