GPU model | Hainan | Topaz |
---|---|---|
Architecture | GCN 1.0 | GCN 3.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 690 million | 1,550 million |
Die size | 56 mm² | 125 mm² |
GPU variant | — | Topaz XT (216-0864030) |
Release date | May 5th, 2015 | — |
---|---|---|
Generation | Pirate Islands | — |
Production | End-of-life | — |
Interface | PCIe 3.0 x8 | — |
Predecessor | Volcanic Islands | — |
Successor | Arctic Islands | — |
Base clock | 830 MHz | 940 MHz |
---|---|---|
Boost clock | 855 MHz | 980 MHz |
Memory clock | 900 MHz 1800 Mbps effective | 900 MHz 1800 Mbps effective |
Memory size | 2 GB | 2 GB |
---|---|---|
Memory type | DDR3 | DDR3 |
Memory bus width | 64 bit | 64 bit |
Bandwidth | 14.40 GB/s | 14.40 GB/s |
Shading units | 320 | 384 |
---|---|---|
TMUs | 20 | 24 |
ROPs | 8 | 8 |
Compute units | 5 | 6 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 128 KB | 128 KB |
Pixel rate | 6.840 GPixel/s | 7.840 GPixel/s |
---|---|---|
Texture rate | 17.10 GTexel/s | 23.52 GTexel/s |
FP32 (float) performance | 547.2 GFLOPS | 752.6 GFLOPS |
FP16 (half) performance | — | 752.6 GFLOPS (1:1) |
FP64 (double) performance | — | 47.04 GFLOPS (1:16) |
Slot width | Single-slot | — |
---|---|---|
TDP | 50 W | unknown |
Suggested PSU | 250 W | — |
Outputs | No outputs | No outputs |
Power connectors | None | — |
Board number | — | C720 |
DirectX | 12 (11_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 6.3 |
Release date | — | Jun 11th, 2014 |
---|---|---|
Generation | — | Crystal System (R7 M200) |
Production | — | End-of-life |
Interface | — | PCIe 3.0 x8 |
Predecessor | — | Solar System |
Successor | — | Mobility Radeon |