People aren't comparing 3W mobile chips to 150W desktop CPUs. They're comparing like for like in terms of perf/watt. Skylake isn't a particular SKU, it's a mico

People aren't comparing 3W mobile chips to 150W desktop CPUs. They're comparing like for like in terms of perf/watt. Skylake isn't a particular SKU, it's a micoarchitecture generation, from which Intel can scale the design from low power 10W parts to power hungry server chips.