Intel Core i3 9350K 's Advantages
Higher base frequency (4.0GHz vs 2.9GHz)
Intel Core i5 10400 's Advantages
Released 1 years and 1 months late
Higher specification of memory (DDR4-2666 vs DDR4-2400)
Larger memory bandwidth (41.6GB/s vs 37.5GB/s)
Larger L3 cache size (12MB vs 8MB)
Lower TDP (65W vs 91W)