Intel Core i7 6820HQ 's Advantages
Higher base frequency (2.7GHz vs 1.4GHz)
Intel Core Ultra 7 155H 's Advantages
Released 8 years and 3 months late
Higher specification of memory (LPDDR5-7467 vs DDR4-2133)
Larger memory bandwidth (120GB/s vs 34.1GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (24MB vs 8MB)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (20W vs 45W)