Intel Core i5 9400H 's Advantages
Higher base frequency (2.5GHz vs 2.2GHz)
Intel Core i7 10870H 's Advantages
Released 1 years and 5 months late
Higher specification of memory (2933 vs 2666)
Larger memory bandwidth (45.8GB/s vs 41.8GB/s)
Larger L3 cache size (16MB vs 8MB)