GeForce GTX 660
NVIDIA
Catalog context
Within its series, the GeForce GTX 660 ranks 73rd of 121 for FP32 throughput and 64th of 143 for memory capacity. Its 140 W TDP is above the 75 W PCIe slot-power ceiling. The source does not record generation and base clock for this variant.
| Launch date | September 6, 2012 |
|---|---|
| Series | GeForce GTX |
| Generation | — |
| Codename | GK106-400-A1 |
| Form factor | desktop |
| Architecture | Kepler (derived from codename prefix) |
| Process | 28 nm |
| Transistors | 2.54 billion |
| Die size | 221 mm² |
| Shaders | 960 |
| TMUs | 80 |
| ROPs | 24 |
| SM count | 5 |
| Base clock | — |
| Boost clock | 980 MHz |
| Memory clock | 1,502 MHz |
| Memory | 2 GB |
| Memory type | GDDR5 |
| Bus width | 192 bit |
| Bandwidth | 144.2 GB/s |
| Pixel fill rate | 23.52 GP/s |
| Texture fill rate | 62.72 GT/s |
| FP32 | 1,505.28 GFLOPS |
| FP64 | 62.72 GFLOPS |
| TDP | 140 W |
| Bus interface | PCIe 3.0 x16 |
| External power required | Yes |
| Launch MSRP | 229 USD |
Source: Wikipedia, revision 1369488585 · catalog loaded 2026-08-16