Intel Core i3 12100TE 's Advantages
Released 4 years and 3 months late
Higher specification of memory (4800 vs 2666)
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (12MB vs 9MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (35W vs 65W)
Intel Core i5 8400 's Advantages
Better graphics card performance
Higher base frequency (2.8GHz vs 2.1GHz)