GPU model | Polaris 20 | Polaris 30 |
---|---|---|
GPU variant | Polaris 20 XL (215-0910052) | Polaris 30 XT (215-0922006) |
Architecture | GCN 4.0 | GCN 4.0 |
Foundry | GlobalFoundries | GlobalFoundries |
Manufacturing process | 14 nm | 12 nm |
Number of transistors | 5,700 million | 5,700 million |
Die size | 232 mm² | 232 mm² |
Release date | Apr 18th, 2017 | Nov 15th, 2018 |
---|---|---|
Generation | Polaris | Polaris |
Production | Active | Active |
Launch price | 169 USD | 279 USD |
Current price | Amazon / Newegg | Amazon / Newegg |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Reviews | 29 in our database | 36 in our database |
Predecessor | Arctic Islands | Arctic Islands |
Successor | Vega | Vega |
Base clock | 1168 MHz | 1469 MHz |
---|---|---|
Boost clock | 1244 MHz | 1545 MHz |
Memory clock | 1750 MHz 7 Gbps effective | 2000 MHz 8 Gbps effective |
Memory size | 4 GB | 8 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 256 bit |
Bandwidth | 224.0 GB/s | 256.0 GB/s |
Shading units | 2048 | 2304 |
---|---|---|
TMUs | 128 | 144 |
ROPs | 32 | 32 |
Compute units | 32 | 36 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 2 MB | 2 MB |
Pixel rate | 39.81 GPixel/s | 49.44 GPixel/s |
---|---|---|
Texture rate | 159.2 GTexel/s | 222.5 GTexel/s |
FP16 (half) performance | 5.095 TFLOPS (1:1) | 7.119 TFLOPS (1:1) |
FP32 (float) performance | 5.095 TFLOPS | 7.119 TFLOPS |
FP64 (double) performance | 318.5 GFLOPS (1:16) | 445.0 GFLOPS (1:16) |
Slot width | Dual-slot | Dual-slot |
---|---|---|
Length | 241 mm 9.5 inches | 241 mm 9.5 inches |
TDP | 150 W | 175 W |
Suggested PSU | 450 W | 450 W |
Outputs | 1x DVI1x HDMI3x DisplayPort | 1x HDMI3x DisplayPort |
Power connectors | 1x 6-pin | 1x 8-pin |
Board number | C940, D000 | C944-41 |
DirectX | 12 (12_0) | 12 (12_0) |
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OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.4 |