Intel Core i7 14790F's Advantages
Newer PCIe version (5.0 vs 4)
Higher base frequency (2.1GHz vs 1.5GHz)
Larger L3 cache size (36MB vs 10MB)
Intel Core Ultra 5 115U's Advantages
Higher specification of memory (LPDDR5X-7467 vs DDR5-5600)
Larger memory bandwidth (120GB/s vs 89.6GB/s)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (15W vs 65W)