if you want portable, light weight, long battery life and quiet, go for Centrino
if you want a desktop replacement go for P4, but maybe noisy
1.6GHz in centrino is about the same as 2.6GHz in P4 which is not far from 3GHz
Surface Pro (2017) vs Surface Pro 4
20 groundbreaking 3D animation technologies coming to Siggraph 2017
iPad Pro 12.9 vs Surface Pro 5
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.