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 | — |
---|---|---|
Generation | Radeon Pro Mac (400 Series) | — |
Production | Active | — |
Interface | PCIe 3.0 x8 | — |
GPU clock | 800 MHz | — |
---|---|---|
Memory clock | 1270 MHz 5.1 Gbps effective | 1750 MHz 7 Gbps effective |
Base clock | — | 1100 MHz |
Boost clock | — | 1183 MHz |
Memory size | 2 GB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 81.28 GB/s | 112.0 GB/s |
Shading units | 640 | 512 |
---|---|---|
TMUs | 40 | 32 |
ROPs | 16 | 16 |
Compute units | 10 | 8 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 1024 KB | 512 KB |
Pixel rate | 12.80 GPixel/s | 18.93 GPixel/s |
---|---|---|
Texture rate | 32.00 GTexel/s | 37.86 GTexel/s |
FP16 (half) performance | 1,024 GFLOPS (1:1) | 1,211 GFLOPS (1:1) |
FP32 (float) performance | 1,024 GFLOPS | 1,211 GFLOPS |
FP64 (double) performance | 64.00 GFLOPS (1:16) | 75.71 GFLOPS (1:16) |
Slot width | MXM Module | Dual-slot |
---|---|---|
TDP | 35 W | 50 W |
Outputs | No outputs | 1x DVI1x HDMI1x DisplayPort |
Length | — | 145 mm 5.7 inches |
Suggested PSU | — | 250 W |
Power connectors | — | None |
Board number | — | D090-01 |
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 | — | Apr 20th, 2017 |
---|---|---|
Generation | — | Polaris |
Production | — | End-of-life |
Launch price | — | 79 USD |
Interface | — | PCIe 3.0 x8 |
Predecessor | — | Arctic Islands |
Successor | — | Vega |