Intel Core i9 10900 's Advantages
Lower TDP (65W vs 125W)
Intel Core i5 14600K 's Advantages
Released 3 years and 5 months late
Better graphics card performance
Higher specification of memory (DDR5-5600 vs DDR4-2933)
Larger memory bandwidth (89.6GB/s vs 45.8GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (3.5GHz vs 2.8GHz)
Larger L3 cache size (24MB vs 20MB)
More modern manufacturing process (10nm vs 14nm)