Intel Core i9 10900T 's Advantages
Integrated graphics card
Larger L3 cache size (20MB vs 18MB)
Lower TDP (35W vs 65W)
Intel Core i5 12400F 's Advantages
Released 1 years and 8 months late
Higher specification of memory (4800 vs 2933)
Larger memory bandwidth (76.8GB/s vs 45.8GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (2.5GHz vs 1.9GHz)
More modern manufacturing process (10nm vs 14nm)