GPU model | Tobago | Curacao |
---|---|---|
GPU variant | Tobago PRO (215-0875010) | Curacao XT (215-0848004) |
Architecture | GCN 2.0 | GCN 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 2,080 million | 2,800 million |
Die size | 160 mm² | 212 mm² |
Release date | Jun 18th, 2015 | Oct 8th, 2013 |
---|---|---|
Generation | Pirate Islands | Volcanic Islands |
Production | End-of-life | End-of-life |
Launch price | 109 USD | 199 USD |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Predecessor | Volcanic Islands | Sea Islands |
Successor | Arctic Islands | Pirate Islands |
Reviews | — | 90 in our database |
Base clock | 1000 MHz | 1000 MHz |
---|---|---|
Boost clock | 1050 MHz | 1050 MHz |
Memory clock | 1500 MHz 6 Gbps effective | 1400 MHz 5.6 Gbps effective |
Memory size | 2 GB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 96.00 GB/s | 179.2 GB/s |
Shading units | 768 | 1280 |
---|---|---|
TMUs | 48 | 80 |
ROPs | 16 | 32 |
Compute units | 12 | 20 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 512 KB |
Pixel rate | 16.80 GPixel/s | 33.60 GPixel/s |
---|---|---|
Texture rate | 50.40 GTexel/s | 84.00 GTexel/s |
FP32 (float) performance | 1.613 TFLOPS | 2.688 TFLOPS |
FP64 (double) performance | 100.8 GFLOPS (1:16) | 168.0 GFLOPS (1:16) |
Slot width | Single-slot | Dual-slot |
---|---|---|
Length | 165 mm 6.5 inches | 241 mm 9.5 inches |
TDP | 100 W | 180 W |
Suggested PSU | 300 W | 450 W |
Outputs | 1x DVI1x HDMI1x DisplayPort | 2x DVI1x HDMI1x DisplayPort |
Power connectors | 1x 6-pin | 2x 6-pin |
Board number | C582, C936 | C631, C632 |
Width | — | 109 mm 4.3 inches |
Height | — | 36 mm 1.4 inches |
DirectX | 12 (12_0) | 12 (11_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.0 | 1.2 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.3 | 5.1 |