Intel Core i7 10510U 's Advantages
Higher base frequency (1.8GHz vs 1.7GHz)
Intel Core i7 1255U 's Advantages
Released 2 years and 6 months late
Better graphics card performance
Higher specification of memory (5200 vs 2666)
Larger memory bandwidth (76.8GB/s vs 41.66GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)