Intel Core i3 10100 's Advantages
Released 6 years and 4 months late
Integrated graphics card
Higher specification of memory (DDR4-2666 vs DDR3-1600)
Higher base frequency (3.6GHz vs 2.6GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 80W)
Pentium 1403 V2 's Advantages
Newer PCIe version (3 vs 3.0)