GPU model | Lexa | Lexa |
---|---|---|
GPU variant | Lexa PRO (215-0904018) | Lexa XT |
Architecture | GCN 4.0 | GCN 4.0 |
Foundry | GlobalFoundries | GlobalFoundries |
Manufacturing process | 14 nm | 14 nm |
Number of transistors | 2,200 million | 2,200 million |
Die size | 103 mm² | 103 mm² |
Release date | Apr 20th, 2017 | Jun 12th, 2017 |
---|---|---|
Generation | Polaris | Radeon Pro |
Production | End-of-life | End-of-life |
Launch price | 79 USD | 199 USD |
Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
Predecessor | Arctic Islands | — |
Successor | Vega | — |
Base clock | 1100 MHz | 925 MHz |
---|---|---|
Boost clock | 1183 MHz | 1219 MHz |
Memory clock | 1750 MHz 7 Gbps effective | 1500 MHz 6 Gbps effective |
Memory size | 2 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 64 bit | 128 bit |
Bandwidth | 56.00 GB/s | 96.00 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 | 512 KB |
Pixel rate | 18.93 GPixel/s | 19.50 GPixel/s |
---|---|---|
Texture rate | 37.86 GTexel/s | 39.01 GTexel/s |
FP16 (half) performance | 1,211 GFLOPS (1:1) | 1,248 GFLOPS (1:1) |
FP32 (float) performance | 1,211 GFLOPS | 1,248 GFLOPS |
FP64 (double) performance | 75.71 GFLOPS (1:16) | 78.02 GFLOPS (1:16) |
Slot width | Dual-slot | Single-slot |
---|---|---|
Length | 145 mm 5.7 inches | 168 mm 6.6 inches |
TDP | 50 W | 65 W |
Suggested PSU | 250 W | 250 W |
Outputs | 1x DVI1x HDMI1x DisplayPort | 1x DisplayPort2x mini-DisplayPort |
Power connectors | None | None |
Board number | D090-01 | D091 |
Width | — | 69 mm 2.7 inches |
DirectX | 12 (12_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.4 |