GPU model | Ellesmere | Polaris 21 |
---|---|---|
GPU variant | Polaris 10 PRO (215-0876204) | Polaris 21 XT (215-0908004) |
Architecture | GCN 4.0 | GCN 4.0 |
Foundry | GlobalFoundries | GlobalFoundries |
Manufacturing process | 14 nm | 14 nm |
Number of transistors | 5,700 million | 3,000 million |
Die size | 232 mm² | 123 mm² |
Release date | Aug 4th, 2016 | Apr 11th, 2018 |
---|---|---|
Generation | Arctic Islands | Polaris |
Production | Active | Active |
Launch price | 179 USD | — |
Interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
Reviews | 46 in our database | — |
Predecessor | Pirate Islands | Polaris |
Successor | Polaris | Vega |
Base clock | 926 MHz | 1175 MHz |
---|---|---|
Boost clock | 1206 MHz | 1275 MHz |
Memory clock | 1650 MHz 6.6 Gbps effective | 1750 MHz 7 Gbps effective |
Memory size | 4 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 128 bit |
Bandwidth | 211.2 GB/s | 112.0 GB/s |
Shading units | 2048 | 1024 |
---|---|---|
TMUs | 128 | 64 |
ROPs | 32 | 16 |
Compute units | 32 | 16 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 2 MB | 1024 KB |
Pixel rate | 38.59 GPixel/s | 20.40 GPixel/s |
---|---|---|
Texture rate | 154.4 GTexel/s | 81.60 GTexel/s |
FP16 (half) performance | 4.940 TFLOPS (1:1) | 2.611 TFLOPS (1:1) |
FP32 (float) performance | 4.940 TFLOPS | 2.611 TFLOPS |
FP64 (double) performance | 308.7 GFLOPS (1:16) | 163.2 GFLOPS (1:16) |
Slot width | Dual-slot | Dual-slot |
---|---|---|
Length | 240 mm 9.4 inches | 170 mm 6.7 inches |
Width | 95 mm 3.7 inches | — |
Height | 35 mm 1.4 inches | — |
TDP | 120 W | 75 W |
Suggested PSU | 300 W | 250 W |
Outputs | 1x HDMI3x DisplayPort | 1x DVI1x HDMI1x DisplayPort |
Power connectors | 1x 6-pin | None |
Board number | C940, D000-03, D009-07 | C994 |
DirectX | 12 (12_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.4 |