GPU model | Tropo | RS780 |
---|---|---|
GPU variant | Tropo LE | — |
Architecture | GCN 1.0 | TeraScale |
Foundry | TSMC | — |
Manufacturing process | 28 nm | 65 nm |
Number of transistors | 1,500 million | 180 million |
Die size | 123 mm² | 85 mm² |
Release date | May 5th, 2015 | — |
---|---|---|
Generation | Crystal System (R9 M300) | — |
Production | End-of-life | — |
Interface | PCIe 3.0 x16 | — |
Predecessor | Solar System | — |
Successor | Mobility Radeon | — |
Base clock | 900 MHz | — |
---|---|---|
Boost clock | 925 MHz | — |
Memory clock | 1125 MHz 4.5 Gbps effective | System Shared |
GPU clock | — | 500 MHz |
Memory size | 4 GB | System Shared |
---|---|---|
Memory type | GDDR5 | System Shared |
Memory bus width | 128 bit | System Shared |
Bandwidth | 72.00 GB/s | System Dependent |
Shading units | 512 | 40 |
---|---|---|
TMUs | 32 | 4 |
ROPs | 16 | 4 |
Compute units | 8 | 2 |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 256 KB | — |
Pixel rate | 14.80 GPixel/s | 2.000 GPixel/s |
---|---|---|
Texture rate | 29.60 GTexel/s | 2.000 GTexel/s |
FP32 (float) performance | 947.2 GFLOPS | 40.00 GFLOPS |
FP64 (double) performance | 59.20 GFLOPS (1:16) | — |
TDP | unknown | unknown |
---|---|---|
Outputs | No outputs | No outputs |
Slot width | — | IGP |
DirectX | 12 (11_1) | 10.0 (10_0) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 1.2 | 1.0 |
Vulkan | 1.2 | — |
Shader model | 5.1 | 4.1 |
Release date | — | Mar 4th, 2008 |
---|---|---|
Generation | — | Radeon IGP (2000) |
Production | — | End-of-life |
Interface | — | PCIe 1.0 x16 |