GPU model | Baffin | Lexa |
---|---|---|
GPU variant | Baffin LE | Lexa PRO (215-0904018) |
Architecture | GCN 4.0 | GCN 4.0 |
Foundry | GlobalFoundries | GlobalFoundries |
Manufacturing process | 14 nm | 14 nm |
Number of transistors | 3,000 million | 2,200 million |
Die size | 123 mm² | 103 mm² |
Release date | Oct 30th, 2016 | Jul 2nd, 2017 |
---|---|---|
Generation | Radeon Pro Mac (400 Series) | Mobility Radeon (RX M500) |
Production | Active | End-of-life |
Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
Predecessor | — | Crystal System |
GPU clock | 800 MHz | — |
---|---|---|
Memory clock | 1270 MHz 5.1 Gbps effective | 1500 MHz 6 Gbps effective |
Base clock | — | 1100 MHz |
Boost clock | — | 1287 MHz |
Memory size | 2 GB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 81.28 GB/s | 96.00 GB/s |
Shading units | 640 | 640 |
---|---|---|
TMUs | 40 | 40 |
ROPs | 16 | 16 |
Compute units | 10 | 10 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 1024 KB | 512 KB |
Pixel rate | 12.80 GPixel/s | 20.59 GPixel/s |
---|---|---|
Texture rate | 32.00 GTexel/s | 51.48 GTexel/s |
FP16 (half) performance | 1,024 GFLOPS (1:1) | 1.647 TFLOPS (1:1) |
FP32 (float) performance | 1,024 GFLOPS | 1.647 TFLOPS |
FP64 (double) performance | 64.00 GFLOPS (1:16) | 103.0 GFLOPS (1:16) |
Slot width | MXM Module | IGP |
---|---|---|
TDP | 35 W | 50 W |
Outputs | No outputs | No outputs |
Power connectors | — | 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 |