Product Overview
| Type | CPU / Microprocessor |
| Market segment | Desktop |
| Family | Intel Core i5 |
| Model number | i5-660 |
| CPU part numbers | CM80616003177AC is an OEM/tray CPU |
| Spec Codes | SLBLV / SLBTK |
| Frequency | 3333 MHz |
| Turbo frequency | 3600 MHz (1 core) |
| 3467 MHz (2 cores) | |
| Package | 1156-land Flip-Chip Land Grid Array (FC-LGA10) |
| Socket | Socket 1156 / H1 / LGA1156 |
| Microarchitecture | Nehalem (Westmere) |
| Processor core | Clarkdale |
| Data width | 64 bit |
| The number of cores | 2 |
| The number of threads | 4 |
| Level 1 cache size | 2 x 32 KB |
| Level 2 cache size | 2 x 256 KB |
| Level 3 cache size | 4 MB shared cache |