GPU model | Cape Verde | Polaris 23 |
---|---|---|
GPU variant | Cape Verde XT | Polaris 23 XT GL |
Architecture | GCN 1.0 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 28 nm | 14 nm |
Number of transistors | 1,500 million | 2,200 million |
Die size | 123 mm² | 103 mm² |
Release date | Feb 15th, 2012 | Jul 2nd, 2019 |
---|---|---|
Generation | Southern Islands | Radeon Pro |
Production | End-of-life | Active |
Launch price | 159 USD | 199 USD |
Interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
Reviews | 97 in our database | — |
Predecessor | Northern Islands | — |
Successor | Sea Islands | — |
GPU clock | 1000 MHz | 1295 MHz |
---|---|---|
Memory clock | 1125 MHz 4.5 Gbps effective | 1500 MHz 6 Gbps effective |
Memory size | 1024 MB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 72.00 GB/s | 96.00 GB/s |
Shading units | 640 | 640 |
---|---|---|
TMUs | 40 | 32 |
ROPs | 16 | 16 |
Compute units | 10 | 10 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 512 KB |
Pixel rate | 16.00 GPixel/s | 20.72 GPixel/s |
---|---|---|
Texture rate | 40.00 GTexel/s | 41.44 GTexel/s |
FP32 (float) performance | 1,280 GFLOPS | 1.658 TFLOPS |
FP64 (double) performance | 80.00 GFLOPS (1:16) | 103.6 GFLOPS (1:16) |
FP16 (half) performance | — | 1.658 TFLOPS (1:1) |
Slot width | Dual-slot | Single-slot |
---|---|---|
Length | 210 mm 8.3 inches | 167 mm 6.6 inches |
TDP | 80 W | 65 W |
Suggested PSU | 250 W | 250 W |
Outputs | 1x DVI1x HDMI2x mini-DisplayPort | 4x mini-DisplayPort |
Power connectors | 1x 6-pin | None |
Board number | C441, C468 | — |
Width | — | 69 mm 2.7 inches |
DirectX | 12 (11_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 6.4 |