Intel Core i7 8565U 's Advantages
Lower TDP (15W vs 55W)
Intel Core i9 14900HX 's Advantages
Released 5 years and 5 months late
Better graphics card performance
Higher specification of memory (5600 vs 2400)
Larger memory bandwidth (89.6GB/s vs 37.5GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (2.2GHz vs 1.8GHz)
Larger L3 cache size (36MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)