GPU model | Weston | Whistler |
---|---|---|
GPU variant | Weston PRO (216-0864032) | Whistler XTX |
Architecture | GCN 3.0 | TeraScale 2 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 40 nm |
Number of transistors | 1,550 million | 716 million |
Die size | 125 mm² | 104 mm² |
Release date | Apr 18th, 2017 | Jan 4th, 2012 |
---|---|---|
Generation | Mobility Radeon (M500) | London (HD 7600M) |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
Predecessor | Crystal System | Vancouver |
Successor | — | Solar System |
Base clock | 730 MHz | — |
---|---|---|
Boost clock | 1024 MHz | — |
Memory clock | 900 MHz 1800 Mbps effective | 800 MHz 3.2 Gbps effective |
GPU clock | — | 725 MHz |
Memory size | 2 GB | 1024 MB |
---|---|---|
Memory type | DDR3 | GDDR5 |
Memory bus width | 64 bit | 128 bit |
Bandwidth | 14.40 GB/s | 51.20 GB/s |
Shading units | 384 | 480 |
---|---|---|
TMUs | 24 | 24 |
ROPs | 8 | 8 |
Compute units | 6 | 6 |
Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
Cache L2 | 128 KB | 256 KB |
Pixel rate | 8.192 GPixel/s | 5.800 GPixel/s |
---|---|---|
Texture rate | 24.58 GTexel/s | 17.40 GTexel/s |
FP16 (half) performance | 786.4 GFLOPS (1:1) | — |
FP32 (float) performance | 786.4 GFLOPS | 696.0 GFLOPS |
FP64 (double) performance | 49.15 GFLOPS (1:16) | — |
Slot width | IGP | — |
---|---|---|
TDP | 50 W | 25 W |
Outputs | No outputs | No outputs |
Power connectors | None | — |
DirectX | 12 (12_0) | 11.2 (11_0) |
---|---|---|
OpenGL | 4.6 | 4.4 |
OpenCL | 2.0 | 1.2 |
Vulkan | 1.2 | — |
Shader model | 6.3 | 5.0 |