| General information | |
| Type | CPU / Microprocessor |
| Family | Intel Core i5 |
| Processor number ? | i5-8400 |
| Part number | CM8068403358811 BO80684I58400 BOC80684I58400 BX80684I58400 BXC80684I58400 |
| Frequency ? | 2.8 GHz |
| Maximum Turbo frequency | 4 GHz |
| Clock multiplier ? | 28 |
| Package type | 1151-land FC-LGA |
| Socket type | Socket 1151 |
| Architecture / Microarchitecture / Other | |
| Core stepping | U0 |
| Processor core | Coffee Lake-S |
| Manufacturing technology | 0.014 micron |
| The number of cores | 6 |
| L2 cache size ? | 1.5 MB |
| L3 cache size | 9 MB |
| Features | AES AVX AVX2 EM64T technology ? Enhanced SpeedStep technology ? Execute disable bit ? MMX MPX SGX SSE SSE2 SSE3 SSE4 SSSE3 Turbo Boost technology Virtualization technology (VT-d) Virtualization technology (VT-x) |
| Case temperature ? | 100°C |
| Thermal Design Power ? | 65 Watt |