GPU model | GT218 | GK208B |
---|---|---|
GPU variant | GT218-300-A2 | — |
Architecture | Tesla 2.0 | Kepler 2.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 28 nm |
Number of transistors | 260 million | 1,020 million |
Die size | 57 mm² | 87 mm² |
Release date | Oct 12th, 2009 | Apr 9th, 2015 |
---|---|---|
Generation | GeForce 200 | GeForce 700 |
Production | End-of-life | Active |
Interface | PCIe 2.0 x16 | PCIe 2.0 x8 |
Predecessor | GeForce 9 | GeForce 600 |
Successor | GeForce 400 | GeForce 900 |
GPU clock | 520 MHz | 797 MHz |
---|---|---|
Shader clock | 1230 MHz | — |
Memory clock | 400 MHz 800 Mbps effective | 900 MHz 1800 Mbps effective |
Memory size | 512 MB | 1024 MB |
---|---|---|
Memory type | DDR3 | DDR3 |
Memory bus width | 64 bit | 64 bit |
Bandwidth | 6.400 GB/s | 14.40 GB/s |
Shading units | 16 | 192 |
---|---|---|
TMUs | 8 | 16 |
ROPs | 4 | 8 |
SM count | 2 | — |
Cache L2 | 32 KB | 512 KB |
SMX count | — | 1 |
Cache L1 | — | 16 KB (per SMX) |
Pixel rate | 2.080 GPixel/s | 3.188 GPixel/s |
---|---|---|
Texture rate | 4.160 GTexel/s | 12.75 GTexel/s |
FP32 (float) performance | 39.36 GFLOPS | 306.0 GFLOPS |
FP64 (double) performance | — | 12.75 GFLOPS (1:24) |
Slot width | Single-slot | Single-slot |
---|---|---|
Length | 168 mm 6.6 inches | — |
TDP | 31 W | unknown |
Suggested PSU | 200 W | 200 W |
Outputs | 1x DVI1x DisplayPort1x VGA | No outputs |
Power connectors | None | — |
Board number | P691, P873 | — |
DirectX | 11.1 (10_1) | 12 (11_0) |
---|---|---|
OpenGL | 3.3 | 4.6 |
OpenCL | 1.1 | 3.0 |
Vulkan | — | 1.1 |
CUDA | 1.2 | 3.5 |
Shader model | 4.1 | 5.1 |