Kurt, my figure comes from testing around 50 laptops and tablet-laptop hybrids over the past year. It has nothing to do with that particular smackdown. Fans have nothing to do with performance and benchmark results- as long as the passive cooling solution is adequate and the processor cores aren't reaching thermal throttle. Fanless is simply a consumer option (or a default for 5 watt CPUs) and is not a criteria for benchmark comparisons. The HP, being a 5 watt package and apparently having a good heatsink, comes nowhere thermal throttling. The Surface Pro 6 has one hella massive heatsink and 4 copper pipe cooling solution, and it too does not come close to thermal max.