Intel Core Ultra 7 155U '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 (4.0 vs 3.0)
Larger L3 cache size (12MB vs 4MB)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (12W vs 15W)
Intel Core i7 6500U 's Advantages
Higher base frequency (2.5GHz vs 1.7GHz)