GPU model | Navi 14 | Polaris 20 |
---|---|---|
GPU variant | Navi 14 XTX (215-0932396) | Polaris 20 XTR (215-0910066) |
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 | Dec 12th, 2019 | Mar 9th, 2020 |
---|---|---|
Generation | Navi | Polaris |
Predecessor | Vega | Arctic Islands |
Production | Active | Active |
Launch price | 169 USD | — |
Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
Reviews | 49 in our database | — |
Successor | Navi II | Vega |
Base clock | 1607 MHz | 1257 MHz |
---|---|---|
Game clock | 1717 MHz | — |
Boost clock | 1845 MHz | 1380 MHz |
Memory clock | 1750 MHz 14 Gbps effective | 2000 MHz 8 Gbps effective |
Memory size | 4 GB | 8 GB |
---|---|---|
Memory type | GDDR6 | GDDR5 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 224.0 GB/s | 256.0 GB/s |
Shading units | 1408 | 2304 |
---|---|---|
TMUs | 88 | 144 |
ROPs | 32 | 32 |
Compute units | 22 | 36 |
Cache L2 | 2 MB | 2 MB |
Cache L1 | — | 16 KB (per CU) |
Pixel rate | 59.04 GPixel/s | 44.16 GPixel/s |
---|---|---|
Texture rate | 162.4 GTexel/s | 198.7 GTexel/s |
FP16 (half) performance | 10.39 TFLOPS (2:1) | 6.359 TFLOPS (1:1) |
FP32 (float) performance | 5.196 TFLOPS | 6.359 TFLOPS |
FP64 (double) performance | 324.7 GFLOPS (1:16) | 397.4 GFLOPS (1:16) |
Slot width | Dual-slot | Dual-slot |
---|---|---|
Length | 180 mm 7.1 inches | 241 mm 9.5 inches |
TDP | 130 W | 175 W |
Suggested PSU | 300 W | 450 W |
Outputs | 1x HDMI3x DisplayPort | 1x HDMI3x DisplayPort |
Power connectors | 1x 8-pin | 1x 8-pin |
Board number | 109-D33257 | C940 |
Part number | 102-D33220 | — |
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 |