Intel Core i5 8210Y 's Advantages
Better graphics card performance
Higher specification of memory (LPDDR3-2133 vs DDR4-2666)
Lower TDP (7W vs 45W)
Intel Core i5 9300H 's Advantages
Released 6 months late
Larger memory bandwidth (41.8GB/s vs 33.3GB/s)
Higher base frequency (2.4GHz vs 1.6GHz)
Larger L3 cache size (8MB vs 4MB)