GPU model | Lexa | Baffin |
---|---|---|
GPU variant | Lexa PRO (215-0904018) | Baffin XT |
Architecture | GCN 4.0 | GCN 4.0 |
Foundry | GlobalFoundries | GlobalFoundries |
Manufacturing process | 14 nm | 14 nm |
Number of transistors | 2,200 million | 3,000 million |
Die size | 103 mm² | 123 mm² |
Release date | Apr 11th, 2018 | — |
---|---|---|
Generation | Polaris | — |
Production | End-of-life | — |
Interface | PCIe 3.0 x8 | — |
Predecessor | Polaris | — |
Successor | Vega | — |
Base clock | 1019 MHz | 1002 MHz |
---|---|---|
Boost clock | 1071 MHz | 1201 MHz |
Memory clock | 1500 MHz 6 Gbps effective | 1500 MHz 6 Gbps effective |
Memory size | 4 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 64 bit | 128 bit |
Bandwidth | 48.00 GB/s | 96.00 GB/s |
Shading units | 640 | 1024 |
---|---|---|
TMUs | 40 | 64 |
ROPs | 16 | 16 |
Compute units | 10 | 16 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 1024 KB |
Pixel rate | 17.14 GPixel/s | 19.22 GPixel/s |
---|---|---|
Texture rate | 42.84 GTexel/s | 76.86 GTexel/s |
FP16 (half) performance | 1,371 GFLOPS (1:1) | 2.460 TFLOPS (1:1) |
FP32 (float) performance | 1,371 GFLOPS | 2.460 TFLOPS |
FP64 (double) performance | 85.68 GFLOPS (1:16) | 153.7 GFLOPS (1:16) |
Slot width | IGP | MXM Module |
---|---|---|
TDP | 50 W | 50 W |
Suggested PSU | 250 W | — |
Outputs | 1x DVI1x HDMI1x DisplayPort | No outputs |
Power connectors | None | None |
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 |
Release date | — | Mar 1st, 2017 |
---|---|---|
Generation | — | Radeon Pro Mobile (WX x100) |
Production | — | Active |
Interface | — | PCIe 3.0 x8 |