Intel Core i9 9980HK 's Advantages
Higher base frequency (2.4GHz vs 2.3GHz)
Intel Core i7 12700H 's Advantages
Released 2 years and 9 months late
Better graphics card performance
Higher specification of memory (LPDDR5-5200 vs DDR4-2666)
Larger memory bandwidth (76.8GB/s vs 41.8GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (24MB vs 16MB)
More modern manufacturing process (10nm vs 14nm)