Intel Core i7 11390H 's Advantages
Better graphics card performance
Higher base frequency (3.4GHz vs 2.0GHz)
Lower TDP (35W vs 55W)
Intel Core i7 12650HX 's Advantages
Released 11 months late
Higher specification of memory (4800 vs 4267)
Larger memory bandwidth (76.8GB/s vs 51.2GB/s)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (24MB vs 12MB)