GPU model | Tropo | Tropo |
---|---|---|
GPU variant | Tropo LE | Tropo XTX |
Architecture | GCN 1.0 | GCN 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 1,500 million | 1,500 million |
Die size | 123 mm² | 123 mm² |
Release date | May 5th, 2015 | May 5th, 2015 |
---|---|---|
Generation | Crystal System (R9 M300) | Crystal System (R9 M300) |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Predecessor | Solar System | Solar System |
Successor | Mobility Radeon | Mobility Radeon |
Base clock | 900 MHz | 925 MHz |
---|---|---|
Boost clock | 925 MHz | 1015 MHz |
Memory clock | 1125 MHz 4.5 Gbps effective | 1125 MHz 4.5 Gbps effective |
Memory size | 4 GB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 72.00 GB/s | 72.00 GB/s |
Shading units | 512 | 640 |
---|---|---|
TMUs | 32 | 40 |
ROPs | 16 | 16 |
Compute units | 8 | 10 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 256 KB |
Pixel rate | 14.80 GPixel/s | 16.24 GPixel/s |
---|---|---|
Texture rate | 29.60 GTexel/s | 40.60 GTexel/s |
FP32 (float) performance | 947.2 GFLOPS | 1,299 GFLOPS |
FP64 (double) performance | 59.20 GFLOPS (1:16) | 81.20 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 |