Intel Core i5 10400H 's Advantages
Higher base frequency (2.6GHz vs 2.0GHz)
Intel Core i3 1125G4 's Advantages
Better graphics card performance
Higher specification of memory (3733 vs 2933)
Larger memory bandwidth (51.2GB/s vs 45.8GB/s)
Newer PCIe version (4.0 vs 3.0)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (28W vs 45W)