GPU model | Wimbledon | Polaris 22 |
---|---|---|
GPU variant | Wimbledon XT (216-0836036) | VegaM XL (D715A714) |
Architecture | GCN 1.0 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 28 nm | 14 nm |
Number of transistors | 2,800 million | 5,000 million |
Die size | 212 mm² | 208 mm² |
Release date | Apr 24th, 2012 | Feb 1st, 2018 |
---|---|---|
Generation | London (HD 7900M) | Vega (Vega M) |
Production | End-of-life | Active |
Interface | MXM-B (3.0) | IGP |
Predecessor | Vancouver | — |
Successor | Solar System | — |
GPU clock | 850 MHz | — |
---|---|---|
Memory clock | 1200 MHz 4.8 Gbps effective | 700 MHz 1400 Mbps effective |
Base clock | — | 931 MHz |
Boost clock | — | 1011 MHz |
Memory size | 2 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | HBM2 |
Memory bus width | 256 bit | 1024 bit |
Bandwidth | 153.6 GB/s | 179.2 GB/s |
Shading units | 1280 | 1280 |
---|---|---|
TMUs | 80 | 80 |
ROPs | 32 | 32 |
Compute units | 20 | 20 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 1024 KB |
Pixel rate | 27.20 GPixel/s | 32.35 GPixel/s |
---|---|---|
Texture rate | 68.00 GTexel/s | 80.88 GTexel/s |
FP32 (float) performance | 2.176 TFLOPS | 2.588 TFLOPS |
FP64 (double) performance | 136.0 GFLOPS (1:16) | 161.8 GFLOPS (1:16) |
FP16 (half) performance | — | 2.588 TFLOPS (1:1) |
Slot width | MXM Module | IGP |
---|---|---|
TDP | 100 W | 65 W |
Outputs | No outputs | No outputs |
Power connectors | None | — |
Board number | C429 | D136 |
DirectX | 12 (11_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 6.4 |