Intel Core i5 8259U 's Advantages
Better graphics card performance
Intel Core i3 10100T 's Advantages
Released 2 years late
Higher specification of memory (DDR4-2666 vs DDR4-2400)
Larger memory bandwidth (41.6GB/s vs 37.5GB/s)
Higher base frequency (3.0GHz vs 2.3GHz)
Lower TDP (25W vs 28W)