GPU model | Thames | Venus |
---|---|---|
GPU variant | Thames XTX | Venus XTX |
Architecture | TeraScale 2 | GCN 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 28 nm |
Number of transistors | 716 million | 1,500 million |
Die size | 104 mm² | 123 mm² |
Release date | Jan 7th, 2013 | 2015 |
---|---|---|
Generation | London (HD 7600M) | All-In-One (Rx 300) |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
Predecessor | Vancouver | — |
Successor | Solar System | — |
GPU clock | 725 MHz | — |
---|---|---|
Memory clock | 900 MHz 3.6 Gbps effective | 1125 MHz 4.5 Gbps effective |
Base clock | — | 900 MHz |
Boost clock | — | 925 MHz |
Memory size | 2 GB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 57.60 GB/s | 72.00 GB/s |
Shading units | 480 | 640 |
---|---|---|
TMUs | 24 | 40 |
ROPs | 8 | 16 |
Compute units | 6 | 10 |
Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 256 KB |
Pixel rate | 5.800 GPixel/s | 14.80 GPixel/s |
---|---|---|
Texture rate | 17.40 GTexel/s | 37.00 GTexel/s |
FP32 (float) performance | 696.0 GFLOPS | 1,184 GFLOPS |
TDP | 25 W | unknown |
---|---|---|
Outputs | No outputs | No outputs |
DirectX | 11.2 (11_0) | 12 (11_1) |
---|---|---|
OpenGL | 4.4 | 4.6 |
OpenCL | 1.2 | 1.2 |
Vulkan | — | 1.2 |
Shader model | 5.0 | 5.1 |