GPU model | Caicos | Pitcairn |
---|---|---|
GPU variant | Caicos PRO | Pitcairn PRO (215-0828062) |
Architecture | TeraScale 2 | GCN 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 28 nm |
Number of transistors | 370 million | 2,800 million |
Die size | 67 mm² | 212 mm² |
Release date | Apr 7th, 2011 | Mar 5th, 2012 |
---|---|---|
Generation | Northern Islands | Southern Islands |
Production | End-of-life | End-of-life |
Launch price | 55 USD | 249 USD |
Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
Reviews | 14 in our database | 71 in our database |
Predecessor | Evergreen | Northern Islands |
Successor | Southern Islands | Sea Islands |
GPU clock | 625 MHz | 860 MHz |
---|---|---|
Memory clock | 800 MHz 3.2 Gbps effective | 1200 MHz 4.8 Gbps effective |
Memory size | 512 MB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 64 bit | 256 bit |
Bandwidth | 25.60 GB/s | 153.6 GB/s |
Shading units | 160 | 1024 |
---|---|---|
TMUs | 8 | 64 |
ROPs | 4 | 32 |
Compute units | 2 | 16 |
Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
Cache L2 | 128 KB | 512 KB |
Pixel rate | 2.500 GPixel/s | 27.52 GPixel/s |
---|---|---|
Texture rate | 5.000 GTexel/s | 55.04 GTexel/s |
FP32 (float) performance | 200.0 GFLOPS | 1.761 TFLOPS |
FP64 (double) performance | — | 110.1 GFLOPS (1:16) |
Slot width | Single-slot | Dual-slot |
---|---|---|
Length | 168 mm 6.6 inches | 210 mm 8.3 inches |
TDP | 18 W | 130 W |
Suggested PSU | 200 W | 300 W |
Outputs | 1x DVI1x HDMI1x VGA | 1x DVI1x HDMI2x mini-DisplayPort |
Power connectors | None | 1x 6-pin |
Board number | C264 | C401-47 |
DirectX | 11.2 (11_0) | 12 (11_1) |
---|---|---|
OpenGL | 4.4 | 4.6 |
OpenCL | 1.2 | 1.2 |
Vulkan | — | 1.2 |
Shader model | 5.0 | 5.1 |