GPU model | Hainan | Redwood |
---|---|---|
Architecture | GCN 1.0 | TeraScale 2 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 40 nm |
Number of transistors | 690 million | 627 million |
Die size | 56 mm² | 104 mm² |
GPU variant | — | Redwood XT (215-0757002) |
Release date | May 5th, 2015 | Feb 26th, 2011 |
---|---|---|
Generation | Pirate Islands | Evergreen |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
Predecessor | Volcanic Islands | Radeon R700 |
Successor | Arctic Islands | Northern Islands |
Base clock | 830 MHz | — |
---|---|---|
Boost clock | 855 MHz | — |
Memory clock | 900 MHz 1800 Mbps effective | 1000 MHz 4 Gbps effective |
GPU clock | — | 775 MHz |
Memory size | 2 GB | 1024 MB |
---|---|---|
Memory type | DDR3 | GDDR5 |
Memory bus width | 64 bit | 128 bit |
Bandwidth | 14.40 GB/s | 64.00 GB/s |
Shading units | 320 | 400 |
---|---|---|
TMUs | 20 | 20 |
ROPs | 8 | 8 |
Compute units | 5 | 5 |
Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
Cache L2 | 128 KB | 256 KB |
Pixel rate | 6.840 GPixel/s | 6.200 GPixel/s |
---|---|---|
Texture rate | 17.10 GTexel/s | 15.50 GTexel/s |
FP32 (float) performance | 547.2 GFLOPS | 620.0 GFLOPS |
Slot width | Single-slot | Single-slot |
---|---|---|
TDP | 50 W | 64 W |
Suggested PSU | 250 W | 250 W |
Outputs | No outputs | 1x DVI1x HDMI1x VGA |
Power connectors | None | — |
Length | — | 168 mm 6.6 inches |
DirectX | 12 (11_1) | 11.2 (11_0) |
---|---|---|
OpenGL | 4.6 | 4.4 |
OpenCL | 1.2 | 1.2 |
Vulkan | 1.2 | — |
Shader model | 5.1 | 5.0 |