Intel Core i9 9980HK 's Advantages
Higher base frequency (2.4GHz vs 2.2GHz)
Lower TDP (45W vs 55W)
Intel Core i7 14650HX 's Advantages
Released 4 years and 9 months late
Better graphics card performance
Higher specification of memory (5600 vs 2666)
Larger memory bandwidth (89.6GB/s vs 41.8GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 16MB)
More modern manufacturing process (10nm vs 14nm)