Intel Core i5 8400H 's Advantages
Higher base frequency (2.5GHz vs 2.4GHz)
Intel Core i9 10980HK 's Advantages
Released 2 years late
Higher specification of memory (DDR4-2933 vs DDR4-2666)
Larger memory bandwidth (45.8GB/s vs 41.8GB/s)
Larger L3 cache size (16MB vs 8MB)