GPU model | Litho | Venus |
---|---|---|
GPU variant | Litho XT | Venus PRO |
Architecture | GCN 1.0 | GCN 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 690 million | 1,500 million |
Die size | 56 mm² | 123 mm² |
Release date | May 15th, 2016 | Mar 21st, 2014 |
---|---|---|
Generation | Crystal System (R7 M400) | Crystal System (R9 M200) |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
Predecessor | Solar System | Solar System |
Successor | Mobility Radeon | Mobility Radeon |
Base clock | 825 MHz | 575 MHz |
---|---|---|
Boost clock | 960 MHz | 625 MHz |
Memory clock | 1000 MHz 4 Gbps effective | 1000 MHz 4 Gbps effective |
Memory size | 2 GB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 64.00 GB/s | 64.00 GB/s |
Shading units | 384 | 640 |
---|---|---|
TMUs | 24 | 40 |
ROPs | 8 | 16 |
Compute units | 6 | 10 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 256 KB |
Pixel rate | 7.680 GPixel/s | 10.00 GPixel/s |
---|---|---|
Texture rate | 23.04 GTexel/s | 25.00 GTexel/s |
FP32 (float) performance | 737.3 GFLOPS | 800.0 GFLOPS |
FP64 (double) performance | 46.08 GFLOPS (1:16) | 50.00 GFLOPS (1:16) |
TDP | unknown | unknown |
---|---|---|
Outputs | No outputs | No outputs |
DirectX | 12 (11_1) | 12 (11_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 1.2 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 5.1 |