Intel Core i5 8259U 's Advantages
Higher base frequency (2.3GHz vs 1.1GHz)
Larger L3 cache size (6MB vs 4MB)
Intel Core i3 1000NG4 's Advantages
Released 1 years and 11 months late
Higher specification of memory (LPDDR4-3733 vs DDR4-2400)
Larger memory bandwidth (58.3GB/s vs 37.5GB/s)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (9W vs 28W)