GPU model | Tobago | Tobago |
---|---|---|
GPU variant | Tobago XT | Tobago PRO (215-0875010) |
Architecture | GCN 2.0 | GCN 2.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 2,080 million | 2,080 million |
Die size | 160 mm² | 160 mm² |
Release date | Jun 18th, 2015 | Jun 30th, 2016 |
---|---|---|
Generation | Pirate Islands | Arctic Islands |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Predecessor | Volcanic Islands | Pirate Islands |
Successor | Arctic Islands | Polaris |
GPU clock | 1100 MHz | 1050 MHz |
---|---|---|
Memory clock | 1500 MHz 6 Gbps effective | 1625 MHz 6.5 Gbps effective |
Memory size | 2 GB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 96.00 GB/s | 104.0 GB/s |
Shading units | 896 | 768 |
---|---|---|
TMUs | 56 | 48 |
ROPs | 16 | 16 |
Compute units | 14 | 12 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 256 KB |
Pixel rate | 17.60 GPixel/s | 16.80 GPixel/s |
---|---|---|
Texture rate | 61.60 GTexel/s | 50.40 GTexel/s |
FP32 (float) performance | 1.971 TFLOPS | 1.613 TFLOPS |
FP64 (double) performance | 123.2 GFLOPS (1:16) | 100.8 GFLOPS (1:16) |
Slot width | Dual-slot | Single-slot |
---|---|---|
Length | 183 mm 7.2 inches | 165 mm 6.5 inches |
TDP | 85 W | 100 W |
Suggested PSU | 250 W | 300 W |
Outputs | 2x DVI1x HDMI1x DisplayPort | 1x DVI1x HDMI1x DisplayPort |
Power connectors | 1x 6-pin | 1x 6-pin |
Board number | C582 | C582, C936 |
DirectX | 12 (12_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.0 | 2.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.3 | 6.3 |