Intel Core i5 14400 's Advantages
Integrated graphics card
Newer PCIe version (5.0 vs 4)
Higher base frequency (2.5GHz vs 1.6GHz)
Larger L3 cache size (20MB vs 12MB)
Intel Core Ultra 5 135UL 's Advantages
Higher specification of memory (DDR5-5600 vs DDR5-4800)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (15W vs 65W)