GPU model | Liverpool | Polaris 20 |
---|---|---|
GPU variant | CXD90026BG | Polaris 20 XTX (215-0910038) |
Architecture | GCN 2.0 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 28 nm | 14 nm |
Number of transistors | unknown | 5,700 million |
Die size | 348 mm² | 232 mm² |
Release date | Nov 24th, 2013 | Apr 18th, 2017 |
---|---|---|
Generation | Console GPU | Polaris |
Production | End-of-life | Active |
Interface | IGP | PCIe 3.0 x16 |
Launch price | 399 USD | 229 USD |
Current price | — | Amazon / Newegg |
Reviews | — | 52 in our database |
Predecessor | — | Arctic Islands |
Successor | — | Vega |
GPU clock | 800 MHz | — |
---|---|---|
Memory clock | 1375 MHz 5.5 Gbps effective | 2000 MHz 8 Gbps effective |
Base clock | — | 1257 MHz |
Boost clock | — | 1340 MHz |
Memory size | 8 GB | 8 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 256 bit |
Bandwidth | 176.0 GB/s | 256.0 GB/s |
Shading units | 1152 | 2304 |
---|---|---|
TMUs | 72 | 144 |
ROPs | 32 | 32 |
Compute units | 18 | 36 |
Cache L1 | — | 16 KB (per CU) |
Cache L2 | — | 2 MB |
Pixel rate | 25.60 GPixel/s | 42.88 GPixel/s |
---|---|---|
Texture rate | 57.60 GTexel/s | 193.0 GTexel/s |
FP16 (half) performance | 1.843 TFLOPS (1:1) | 6.175 TFLOPS (1:1) |
FP32 (float) performance | 1.843 TFLOPS | 6.175 TFLOPS |
FP64 (double) performance | — | 385.9 GFLOPS (1:16) |
Slot width | IGP | Dual-slot |
---|---|---|
Length | 305 mm 12 inches | 241 mm 9.5 inches |
Width | 275 mm 10.8 inches | — |
Height | 53 mm 2.1 inches | — |
Weight | 2.8 kg (6.2 lbs) | — |
TDP | 75 W | 185 W |
Suggested PSU | 350 W | 450 W |
Outputs | No outputs | 1x HDMI3x DisplayPort |
Power connectors | None | 1x 8-pin |
Board number | — | C940, D009-04 |
DirectX | 11.1* | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.1 |
Vulkan | 1.1 | 1.2 |
Shader model | 5.1 | 6.4 |