GPU model | Polaris 20 | Navi 23 |
---|---|---|
GPU variant | Polaris 20 XTR (215-0910066) | Navi 23 XL (215-130000016) |
Architecture | GCN 4.0 | RDNA 2.0 |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 7 nm |
Number of transistors | 5,700 million | 11,060 million |
Die size | 232 mm² | 237 mm² |
Release date | Mar 9th, 2020 | Oct 13th, 2021 |
---|---|---|
Generation | Polaris | Navi II |
Production | Active | Active |
Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
Predecessor | Arctic Islands | Navi |
Successor | Vega | Navi III |
Launch price | — | 329 USD |
Base clock | 1257 MHz | 1626 MHz |
---|---|---|
Boost clock | 1380 MHz | 2491 MHz |
Memory clock | 2000 MHz 8 Gbps effective | 1750 MHz 14 Gbps effective |
Game clock | — | 2044 MHz |
Memory size | 8 GB | 8 GB |
---|---|---|
Memory type | GDDR5 | GDDR6 |
Memory bus width | 256 bit | 128 bit |
Bandwidth | 256.0 GB/s | 224.0 GB/s |
Shading units | 2304 | 1792 |
---|---|---|
TMUs | 144 | 112 |
ROPs | 32 | 64 |
Compute units | 36 | 28 |
Cache L1 | 16 KB (per CU) | 128 KB per Array |
Cache L2 | 2 MB | 2 MB |
RT cores | — | 28 |
gpu.details.l0-cache | — | 32 KB per WGP |
gpu.details.l3-cache | — | 32 MB |
Pixel rate | 44.16 GPixel/s | 159.4 GPixel/s |
---|---|---|
Texture rate | 198.7 GTexel/s | 279.0 GTexel/s |
FP16 (half) performance | 6.359 TFLOPS (1:1) | 17.86 TFLOPS (2:1) |
FP32 (float) performance | 6.359 TFLOPS | 8.928 TFLOPS |
FP64 (double) performance | 397.4 GFLOPS (1:16) | 558.0 GFLOPS (1:16) |
Slot width | Dual-slot | Dual-slot |
---|---|---|
Length | 241 mm 9.5 inches | 190 mm 7.5 inches |
TDP | 175 W | 132 W |
Suggested PSU | 450 W | 300 W |
Outputs | 1x HDMI3x DisplayPort | 1x HDMI3x DisplayPort |
Power connectors | 1x 8-pin | 1x 8-pin |
Board number | C940 | — |
Width | — | 110 mm 4.3 inches |
Height | — | 40 mm 1.6 inches |
DirectX | 12 (12_0) | 12.0 Ultimate (12_2) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.5 |