GPU model | Cape Verde | Lexa |
---|---|---|
GPU variant | Cape Verde PRO | Lexa PRO 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 | Jun 4th, 2017 |
---|---|---|
Generation | Southern Islands | Radeon Pro |
Production | End-of-life | End-of-life |
Launch price | 109 USD | 149 USD |
Interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
Reviews | 61 in our database | — |
Predecessor | Northern Islands | — |
Successor | Sea Islands | — |
GPU clock | 800 MHz | — |
---|---|---|
Memory clock | 1125 MHz 4.5 Gbps effective | 1500 MHz 6 Gbps effective |
Base clock | — | 925 MHz |
Boost clock | — | 1219 MHz |
Memory size | 1024 MB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 64 bit |
Bandwidth | 72.00 GB/s | 48.00 GB/s |
Shading units | 512 | 512 |
---|---|---|
TMUs | 32 | 32 |
ROPs | 16 | 16 |
Compute units | 8 | 8 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 256 KB |
Pixel rate | 12.80 GPixel/s | 19.50 GPixel/s |
---|---|---|
Texture rate | 25.60 GTexel/s | 39.01 GTexel/s |
FP32 (float) performance | 819.2 GFLOPS | 1,248 GFLOPS |
FP64 (double) performance | 51.20 GFLOPS (1:16) | 78.02 GFLOPS (1:16) |
FP16 (half) performance | — | 1,248 GFLOPS (1:1) |
Slot width | Single-slot | Single-slot |
---|---|---|
Length | 168 mm 6.6 inches | 168 mm 6.6 inches |
TDP | 55 W | 35 W |
Suggested PSU | 250 W | 200 W |
Outputs | 1x DVI1x HDMI1x DisplayPort | 1x DisplayPort2x mini-DisplayPort |
Power connectors | None | None |
Board number | C441, C445 | D091 |
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 |