Intel Core 5 120U 's Advantages
Released 9 years late
Higher specification of memory (LPDDR5-6400 vs DDR3L-1600)
Larger memory bandwidth (83.2GB/s vs 25.6GB/s)
Newer PCIe version (4.0 vs 2.0)
Larger L3 cache size (12MB vs 3MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (12W vs 15W)
Intel Core i5 5200U 's Advantages
Higher base frequency (2.2GHz vs 1.4GHz)