Intel Core i3 5010U 's Advantages
Higher base frequency (2.1GHz vs 2.0GHz)
Lower TDP (15W vs 28W)
Intel Core i3 1125G4 's Advantages
Released 5 years and 8 months late
Higher specification of memory (3733 vs 1600)
Larger memory bandwidth (51.2GB/s vs 25.6GB/s)
Newer PCIe version (4.0 vs 2.0)
Larger L3 cache size (8MB vs 3MB)
More modern manufacturing process (10nm vs 14nm)