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We measured the power consumption with the system resting at the Windows 7 desktop, representing idle values.
The power consumption of our entire test system is measured at the wall while loading only the CPU using Prime95′s Small FFTs setting. The rest of the system’s components were operating in their idle states, hence the increased power consumption values (in comparison to the idle figures) are largely related to the load on the CPU and motherboard power delivery components.
Given its multitude of add-on controllers, it comes as no surprise that ASRock's Z87 Extreme11/ac doesn't score well in terms of power consumption. What is surprising is the small, 4 Watt, difference in idle power usage between the stock and overclocked states of ASRock's flagship board.
The stock (multi-core turbo) voltage is high at 1.280V, but it is still a good distance away from the 1.325V that we put through the 4770K for the overclocked speed. Quite possibly, the results could be indicative of default over-volting for certain parameters even when the board is at its multi-core turbo (‘stock') speeds.
Superb review and what a hell of a motherboard, out of my price range, but I agree, its a masterpiece of engineering prowess!
I hear a lot of negative press about asrock, being ‘cheap’ etc, but in recent years its completely changed. I own a Z77 asrock board and its been rock solid, and holds a good overclock. I would buy them again. This is a fully loaded mobo, thats for sure!
Its a good point, Haswell on a core per core basis and clock per clock basis is actually Intels’ ‘fastest’ chip. better than the 4960x etc.
I haven’t read all of the review yet, but it looks to be mighty impressive, with a price tag to match. Good review indeed Luke.
Z87 good chipset. Extreme mainboard