Intel Core i7 7740X 's Advantages
Higher base frequency (4.3GHz vs 1.7GHz)
Intel Core Ultra 7 155UL 's Advantages
Released 6 years and 11 months late
Higher specification of memory (5600 vs 2666)
Larger memory bandwidth (89.6GB/s vs 42.7GB/s)
Newer PCIe version (4 vs 3.0)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (15W vs 112W)