Intel Core i5-8400 is based on the Coffee Lake architecture. The total of cores is 6 with the threads of 6. The operating base core clock is 2.80 GHz. Turbo-boost is 3.80 GHz (per-core). The technology node is 14 nm. L2 Cache is , L3 Cache is 9.00 MB.
Intel Core i5-8400 supports the socket type of LGA 1151-2.
The supported type and memory clock is DDR4-2666 MHz. The maximum RAM capacity is 128 GB. The date of release is - Q4/2017.