GPU model | Trinidad | Tahiti |
---|---|---|
GPU variant | Trinidad PRO (215-0870020) | Tahiti PRO GL |
Architecture | GCN 1.0 | GCN 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 2,800 million | 4,313 million |
Die size | 212 mm² | 352 mm² |
Release date | May 5th, 2015 | Mar 27th, 2013 |
---|---|---|
Generation | Pirate Islands | Radeon Sky |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Predecessor | Volcanic Islands | — |
Successor | Arctic Islands | — |
Base clock | 925 MHz | — |
---|---|---|
Boost clock | 975 MHz | — |
Memory clock | 1400 MHz 5.6 Gbps effective | 1375 MHz 5.5 Gbps effective |
GPU clock | — | 900 MHz |
Memory size | 2 GB | 6 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 384 bit |
Bandwidth | 179.2 GB/s | 264.0 GB/s |
Shading units | 1280 | 1792 |
---|---|---|
TMUs | 80 | 112 |
ROPs | 32 | 32 |
Compute units | 24 | 28 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 768 KB |
Pixel rate | 31.20 GPixel/s | 28.80 GPixel/s |
---|---|---|
Texture rate | 78.00 GTexel/s | 100.8 GTexel/s |
FP32 (float) performance | 2.496 TFLOPS | 3.226 TFLOPS |
FP64 (double) performance | 156.0 GFLOPS (1:16) | 806.4 GFLOPS (1:4) |
Slot width | Dual-slot | Dual-slot |
---|---|---|
Length | 221 mm 8.7 inches | 267 mm 10.5 inches |
Width | 111 mm 4.4 inches | 111 mm 4.4 inches |
TDP | 110 W | 225 W |
Suggested PSU | 300 W | 550 W |
Outputs | 2x DVI1x HDMI1x DisplayPort | 1x DisplayPort |
Power connectors | 1x 6-pin | 1x 8-pin |
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 |