GeForce 8800 GTS 640
NVIDIA
Catalog context
Within its series, the GeForce 8800 GTS 640 ranks 17th of 50 for FP32 throughput and 50th of 290 for memory capacity. Its 143 W TDP is above the 75 W PCIe slot-power ceiling. The source does not record generation, boost clock and fp64 for this variant.
| Launch date | November 8, 2006 |
|---|---|
| Series | GeForce |
| Generation | — |
| Codename | G80-100-K0-A2 |
| Form factor | desktop |
| Architecture | Tesla (derived from codename prefix) |
| Process | 90 nm |
| Transistors | 681 million |
| Die size | 484 mm² |
| Shaders | 96 |
| TMUs | 24 |
| ROPs | 20 |
| SM count | 12 |
| Base clock | 513 MHz |
| Boost clock | — |
| Memory clock | 792 MHz |
| Memory | 640 MB |
| Memory type | GDDR3 |
| Bus width | 320 bit |
| Bandwidth | 63.36 GB/s |
| Pixel fill rate | 10.26 GP/s |
| Texture fill rate | 14.36 GT/s |
| FP32 | 228.096 GFLOPS |
| FP64 | — |
| TDP | 143 W |
| Bus interface | PCIe 1.0 x16 |
| External power required | Yes |
| Launch MSRP | 449 USD |
Source: Wikipedia, revision 1369488585 · catalog loaded 2026-08-16