Intel Core i3 10320 's Advantages
Higher base frequency (3.8GHz vs 3.7GHz)
Lower TDP (65W vs 125W)
Intel Core i9 10900K 's Advantages
Higher specification of memory (2933 vs 2666)
Larger memory bandwidth (45.8GB/s vs 41.6GB/s)
Larger L3 cache size (20MB vs 8MB)