GPU model | Polaris 23 | Cypress |
---|---|---|
GPU variant | Polaris 23 XT GL | Cypress XT (215-0735033) |
Architecture | GCN 4.0 | TeraScale 2 |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 40 nm |
Number of transistors | 2,200 million | 2,154 million |
Die size | 103 mm² | 334 mm² |
Release date | Jul 2nd, 2019 | Jun 30th, 2010 |
---|---|---|
Generation | Radeon Pro | Evergreen |
Production | Active | End-of-life |
Launch price | 199 USD | 479 USD |
Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
Reviews | — | 171 in our database |
Predecessor | — | Radeon R700 |
Successor | — | Northern Islands |
GPU clock | 1295 MHz | 850 MHz |
---|---|---|
Memory clock | 1500 MHz 6 Gbps effective | 1195 MHz 4.8 Gbps effective |
Memory size | 4 GB | 1024 MB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 96.00 GB/s | 153.0 GB/s |
Shading units | 640 | 1600 |
---|---|---|
TMUs | 32 | 80 |
ROPs | 16 | 32 |
Compute units | 10 | 20 |
Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
Cache L2 | 512 KB | 512 KB |
Pixel rate | 20.72 GPixel/s | 27.20 GPixel/s |
---|---|---|
Texture rate | 41.44 GTexel/s | 68.00 GTexel/s |
FP16 (half) performance | 1.658 TFLOPS (1:1) | — |
FP32 (float) performance | 1.658 TFLOPS | 2.720 TFLOPS |
FP64 (double) performance | 103.6 GFLOPS (1:16) | 544.0 GFLOPS (1:5) |
Slot width | Single-slot | Dual-slot |
---|---|---|
Length | 167 mm 6.6 inches | 279 mm 11 inches |
Width | 69 mm 2.7 inches | — |
TDP | 65 W | 228 W |
Suggested PSU | 250 W | 550 W |
Outputs | 4x mini-DisplayPort | 1x DVI2x mini-DisplayPort |
Power connectors | None | 2x 6-pin |
Board number | — | C078 |
DirectX | 12 (12_0) | 11.2 (11_0) |
---|---|---|
OpenGL | 4.6 | 4.4 |
OpenCL | 2.1 | 1.2 |
Vulkan | 1.2 | — |
Shader model | 6.4 | 5.0 |