Intel Core i7 1355U 's Advantages
Integrated graphics card
Higher specification of memory (6400 vs 5200)
Larger memory bandwidth (89.6GB/s vs 83.2GB/s)
Intel Core 7 250U 's Advantages
Released 1 years and 9 months late
Newer PCIe version (4 vs 4.0)
Higher base frequency (1.9GHz vs 1.7GHz)