GPU model | Baffin | Litho |
---|---|---|
GPU variant | Baffin XT | Litho XT |
Architecture | GCN 4.0 | GCN 1.0 |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 28 nm |
Number of transistors | 3,000 million | 690 million |
Die size | 123 mm² | 56 mm² |
Release date | Mar 1st, 2017 | May 5th, 2015 |
---|---|---|
Generation | Radeon Pro Mobile (WX x100) | Crystal System (R7 M300) |
Production | Active | End-of-life |
Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
Predecessor | — | Solar System |
Successor | — | Mobility Radeon |
Base clock | 1002 MHz | 900 MHz |
---|---|---|
Boost clock | 1201 MHz | 960 MHz |
Memory clock | 1500 MHz 6 Gbps effective | 1150 MHz 4.6 Gbps effective |
Memory size | 4 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 96.00 GB/s | 73.60 GB/s |
Shading units | 1024 | 384 |
---|---|---|
TMUs | 64 | 24 |
ROPs | 16 | 8 |
Compute units | 16 | 6 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 1024 KB | 256 KB |
Pixel rate | 19.22 GPixel/s | 7.680 GPixel/s |
---|---|---|
Texture rate | 76.86 GTexel/s | 23.04 GTexel/s |
FP16 (half) performance | 2.460 TFLOPS (1:1) | — |
FP32 (float) performance | 2.460 TFLOPS | 737.3 GFLOPS |
FP64 (double) performance | 153.7 GFLOPS (1:16) | 46.08 GFLOPS (1:16) |
Slot width | MXM Module | — |
---|---|---|
TDP | 50 W | unknown |
Outputs | No outputs | No outputs |
Power connectors | None | — |
DirectX | 12 (12_0) | 12 (11_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 1.2 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 5.1 |