Intel Core i7 1355U 's Advantages
Released 11 months late
Higher specification of memory (6400 vs 5200)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Lower TDP (15W vs 28W)
Intel Core i7 1280P 's Advantages
Higher base frequency (1.8GHz vs 1.7GHz)
Larger L3 cache size (24MB vs 12MB)