Intel Core i3 9300T 's Advantages
Higher base frequency (3.2GHz vs 2.8GHz)
Lower TDP (35W vs 65W)
Intel Core i9 10900 's Advantages
Released 1 years and 1 months late
Higher specification of memory (2933 vs 2400)
Larger memory bandwidth (45.8GB/s vs 37.5GB/s)
Larger L3 cache size (20MB vs 8MB)