Includes ARM TrustZone co-processor. http://www.bit-tech.net/news/hardware/2016/10/04/amd-bristol-ridge-pro/1
Faster, more features, very secretive. http://www.bit-tech.net/news/hardware/2014/01/03/surface-pro-2-cpu/1
No Turbo Boost adjustments on non-K parts. http://www.bit-tech.net/news/hardware/2013/06/14/haswell-overclocking/1
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