Thank you! It sounds likely that Acer is using these CPUs. The TDPd frequencies for the following 7.5w TDPd chips is 800 MHz:
i3 6100u
i5 6200u
i5 6300u
i7 6500u
i7 6600u
http://ark.intel.com/compare/88199,88197,88202,88192,88194,88190,88193,88180,88198
That's a bit low. Previous generation...