Product Overview
| Type | CPU / Microprocessor |
| Market segment | Desktop |
| Family | Intel Core i5 |
| Model number | i5-6400 |
| CPU part numbers | CM8066201920506 is an OEM/tray CPU |
| BX80662I56400 / BXC80662I56400 is a boxed CPU | |
| Frequency | 2700 MHz |
| Turbo frequency | 3300 MHz (1 or 2 cores) |
| 3200 MHz (3 cores) | |
| 3100 MHz (4 cores) | |
| Bus speed | 8 GT/s DMI |
| Clock multiplier | 27 |
| Package | 1151-land Flip-Chip Land Grid Array |
| Socket | Socket 1151 / H4 / LGA1151 |
| Microarchitecture | Skylake |
| Processor core | Skylake-S |
| Data width | 64 bit |
| The number of CPU cores | 4 |
| The number of threads | 4 |
| Level 1 cache size | 4 x 32 KB |
| Level 2 cache size | 4 x 256 KB |
| Level 3 cache size | 6 MB |
| Physical memory | 64 GB |
| Multiprocessing | Uniprocessor |
