GPU model | Caicos | Turks |
---|---|---|
GPU variant | Khalidster | Turks PRO-L |
Architecture | TeraScale 2 | TeraScale 2 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 40 nm |
Number of transistors | 370 million | 716 million |
Die size | 67 mm² | 118 mm² |
Release date | Jan 5th, 2012 | Jan 5th, 2012 |
---|---|---|
Generation | Southern Islands | Southern Islands |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
Predecessor | Northern Islands | Northern Islands |
Successor | Sea Islands | Sea Islands |
GPU clock | 750 MHz | 650 MHz |
---|---|---|
Memory clock | 900 MHz 3.6 Gbps effective | 800 MHz 1600 Mbps effective |
Memory size | 1024 MB | 1024 MB |
---|---|---|
Memory type | GDDR5 | GDDR3 |
Memory bus width | 64 bit | 128 bit |
Bandwidth | 28.80 GB/s | 25.60 GB/s |
Shading units | 160 | 480 |
---|---|---|
TMUs | 8 | 24 |
ROPs | 4 | 8 |
Compute units | 2 | 6 |
Cache L1 | 8 KB (per CU) | 8 KB (per CU) |
Cache L2 | 128 KB | 256 KB |
Pixel rate | 3.000 GPixel/s | 5.200 GPixel/s |
---|---|---|
Texture rate | 6.000 GTexel/s | 15.60 GTexel/s |
FP32 (float) performance | 240.0 GFLOPS | 624.0 GFLOPS |
Slot width | Single-slot | Single-slot |
---|---|---|
Length | 168 mm 6.6 inches | — |
TDP | 27 W | 60 W |
Suggested PSU | 200 W | 250 W |
Outputs | 1x DVI1x DisplayPort | 1x DVI1x HDMI1x VGA |
Power connectors | None | None |
Board number | C264 | C245, C334 |
DirectX | 11.2 (11_0) | 11.2 (11_0) |
---|---|---|
OpenGL | 4.4 | 4.4 |
OpenCL | 1.2 | 1.2 |
Vulkan | — | — |
Shader model | 5.0 | 5.0 |