GPU model | Polaris 21 | Xenos Corona |
---|---|---|
GPU variant | Polaris 21 XT (215-0908004) | Crayola 6 |
Architecture | GCN 4.0 | TeraScale |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 45 nm |
Number of transistors | 3,000 million | 372 million |
Die size | 123 mm² | 168 mm² |
Release date | Apr 11th, 2018 | Jun 10th, 2013 |
---|---|---|
Generation | Polaris | Console GPU |
Production | Active | End-of-life |
Interface | PCIe 3.0 x8 | IGP |
Predecessor | Polaris | — |
Successor | Vega | — |
Launch price | — | 299 USD |
Base clock | 1175 MHz | — |
---|---|---|
Boost clock | 1275 MHz | — |
Memory clock | 1750 MHz 7 Gbps effective | 700 MHz 1400 Mbps effective |
GPU clock | — | 500 MHz |
Memory size | 4 GB | 512 MB |
---|---|---|
Memory type | GDDR5 | GDDR3 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 112.0 GB/s | 22.40 GB/s |
Shading units | 1024 | 240 |
---|---|---|
TMUs | 64 | 16 |
ROPs | 16 | 8 |
Compute units | 16 | 3 |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 1024 KB | — |
Pixel rate | 20.40 GPixel/s | 4.000 GPixel/s |
---|---|---|
Texture rate | 81.60 GTexel/s | 8.000 GTexel/s |
FP16 (half) performance | 2.611 TFLOPS (1:1) | — |
FP32 (float) performance | 2.611 TFLOPS | 240.0 GFLOPS |
FP64 (double) performance | 163.2 GFLOPS (1:16) | — |
Slot width | Dual-slot | IGP |
---|---|---|
Length | 170 mm 6.7 inches | 264 mm 10.4 inches |
TDP | 75 W | 120 W |
Suggested PSU | 250 W | 350 W |
Outputs | 1x DVI1x HDMI1x DisplayPort | No outputs |
Power connectors | None | — |
Board number | C994 | — |
Width | — | 254 mm 10 inches |
Height | — | 67 mm 2.6 inches |
Weight | — | 2.9 kg (6.3 lbs) |
DirectX | 12 (12_0) | 9.0c (9_3) |
---|---|---|
OpenGL | 4.6 | — |
OpenCL | 2.1 | — |
Vulkan | 1.2 | — |
Shader model | 6.4 | 3.0 |