Intel Core i5 10400H 's Advantages
Better graphics card performance
Higher base frequency (2.6GHz vs 1.1GHz)
Larger L3 cache size (8MB vs 4MB)
Intel Celeron N5100 's Advantages
Released 9 months late
Higher specification of memory (LPDDR4x-2933 vs DDR4-2933)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (6W vs 45W)