Intel Core i5 12400 's Advantages
Released 2 years and 9 months late
Higher specification of memory (4800 vs 2666)
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (2.5GHz vs 2.3GHz)
Larger L3 cache size (18MB vs 9MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i5 9600T 's Advantages
Better graphics card performance
Lower TDP (35W vs 65W)