GPU model | Caicos | Cedar |
---|---|---|
GPU variant | Caicos PRO | — |
Architecture | TeraScale 2 | TeraScale 2 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 40 nm |
Number of transistors | 370 million | 292 million |
Die size | 67 mm² | 59 mm² |
Release date | Apr 7th, 2011 | Jan 5th, 2012 |
---|---|---|
Generation | Northern Islands | Southern Islands |
Production | End-of-life | End-of-life |
Launch price | 55 USD | — |
Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
Reviews | 14 in our database | — |
Predecessor | Evergreen | Northern Islands |
Successor | Southern Islands | Sea Islands |
GPU clock | 625 MHz | 650 MHz |
---|---|---|
Memory clock | 800 MHz 3.2 Gbps effective | 800 MHz 1600 Mbps effective |
Memory size | 512 MB | 512 MB |
---|---|---|
Memory type | GDDR5 | GDDR3 |
Memory bus width | 64 bit | 64 bit |
Bandwidth | 25.60 GB/s | 12.80 GB/s |
Shading units | 160 | 80 |
---|---|---|
TMUs | 8 | 8 |
ROPs | 4 | 4 |
Compute units | 2 | 2 |
Cache L1 | 8 KB (per CU) | 8 KB (per CU) |
Cache L2 | 128 KB | 128 KB |
Pixel rate | 2.500 GPixel/s | 2.600 GPixel/s |
---|---|---|
Texture rate | 5.000 GTexel/s | 5.200 GTexel/s |
FP32 (float) performance | 200.0 GFLOPS | 104.0 GFLOPS |
Slot width | Single-slot | Single-slot |
---|---|---|
Length | 168 mm 6.6 inches | 168 mm 6.6 inches |
TDP | 18 W | 19 W |
Suggested PSU | 200 W | 200 W |
Outputs | 1x DVI1x HDMI1x VGA | 1x DVI1x HDMI |
Power connectors | None | None |
Board number | C264 | C027 |
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 |