GPU model | Tahiti | Trinidad |
---|---|---|
GPU variant | Tahiti PRO (215-0821056) | Trinidad PRO (215-0870020) |
Architecture | GCN 1.0 | GCN 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 4,313 million | 2,800 million |
Die size | 352 mm² | 212 mm² |
Release date | Jan 31st, 2012 | May 5th, 2015 |
---|---|---|
Generation | Southern Islands | Pirate Islands |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Reviews | 118 in our database | — |
Predecessor | Northern Islands | Volcanic Islands |
Successor | Sea Islands | Arctic Islands |
GPU clock | 800 MHz | — |
---|---|---|
Memory clock | 1250 MHz 5 Gbps effective | 1400 MHz 5.6 Gbps effective |
Base clock | — | 925 MHz |
Boost clock | — | 975 MHz |
Memory size | 3 GB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 384 bit | 256 bit |
Bandwidth | 240.0 GB/s | 179.2 GB/s |
Shading units | 768 | 1280 |
---|---|---|
TMUs | 48 | 80 |
ROPs | 32 | 32 |
Compute units | 12 | 24 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 768 KB | 512 KB |
Pixel rate | 25.60 GPixel/s | 31.20 GPixel/s |
---|---|---|
Texture rate | 38.40 GTexel/s | 78.00 GTexel/s |
FP32 (float) performance | 1,229 GFLOPS | 2.496 TFLOPS |
FP64 (double) performance | 307.2 GFLOPS (1:4) | 156.0 GFLOPS (1:16) |
Slot width | Dual-slot | Dual-slot |
---|---|---|
Length | 267 mm 10.5 inches | 221 mm 8.7 inches |
TDP | 85 W | 110 W |
Suggested PSU | 250 W | 300 W |
Outputs | 1x DVI1x HDMI2x mini-DisplayPort | 2x DVI1x HDMI1x DisplayPort |
Power connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin |
Board number | C386 | — |
Width | — | 111 mm 4.4 inches |
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 |