Intel Core i9 13900HX 's Advantages
Released 3 years and 9 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 1.9GHz)
Larger L3 cache size (36MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i7 8665U 's Advantages
Lower TDP (15W vs 55W)