GPU model | Caicos | GT218 |
---|---|---|
GPU variant | Caicos XT (215-0804070) | GT218-300-A2 |
Architecture | TeraScale 2 | Tesla 2.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 40 nm |
Number of transistors | 370 million | 260 million |
Die size | 67 mm² | 57 mm² |
Release date | Jan 8th, 2013 | Nov 27th, 2009 |
---|---|---|
Generation | Sea Islands | GeForce 300 |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
Predecessor | Southern Islands | GeForce 200 |
Successor | Volcanic Islands | GeForce 400 |
GPU clock | 775 MHz | 589 MHz |
---|---|---|
Memory clock | 800 MHz 3.2 Gbps effective | 333 MHz 666 Mbps effective |
Shader clock | — | 1402 MHz |
Memory size | 1024 MB | 512 MB |
---|---|---|
Memory type | GDDR5 | DDR2 |
Memory bus width | 64 bit | 64 bit |
Bandwidth | 25.60 GB/s | 5.328 GB/s |
Shading units | 160 | 16 |
---|---|---|
TMUs | 8 | 8 |
ROPs | 4 | 4 |
Compute units | 2 | — |
Cache L1 | 8 KB (per CU) | — |
Cache L2 | 128 KB | 32 KB |
SM count | — | 2 |
Pixel rate | 3.100 GPixel/s | 2.356 GPixel/s |
---|---|---|
Texture rate | 6.200 GTexel/s | 4.712 GTexel/s |
FP32 (float) performance | 248.0 GFLOPS | 44.86 GFLOPS |
Slot width | Single-slot | Single-slot |
---|---|---|
Length | 168 mm 6.6 inches | 168 mm 6.6 inches |
TDP | 35 W | 31 W |
Suggested PSU | 200 W | 200 W |
Outputs | 1x DVI1x HDMI | 1x DVI1x DisplayPort1x VGA |
Power connectors | None | None |
Board number | C264 | P691 |
DirectX | 11.2 (11_0) | 11.1 (10_1) |
---|---|---|
OpenGL | 4.4 | 3.3 |
OpenCL | 1.2 | 1.1 |
Vulkan | — | — |
Shader model | 5.0 | 4.1 |
CUDA | — | 1.2 |