Test Setup
Processor Intel i5-2500K ES—3.3 GHz (3.7 GHz Turbo)
4 Cores, 4 Threads, 6MB L3
Motherboards ASUS P8Z68-V PRO ($210)
Cooling Corsair H50-1 Water Cooler
Power Supply Silverstone 1000W 80 PLUS Silver
Memory Patriot Viper Extreme DDR3-2000 9-10-9-27 2x4GB Kit, 1.65V
Corsair Vengeance DDR3-1600 9-9-9-24 2x4GB Kit, 1.50V
G.Skill RipjawsX DDR3-2133 9-11-9-28 4x4GB Kit, 1.65V
Memory Settings DDR3-1333 9-9-9-24 1T 2x4GB
Video Cards XFX HD 5850 1GB
Sapphire HD 5850 1GB
Video Drivers Catalyst 10.12
Hard Drive Micron RealSSD C300 256GB
Optical Drive LG GH22NS50
Case Open Test Bed—CoolerMaster Lab V1.0
Operating System Windows 7 64-bit
SATA Testing Micron RealSSD C300 256GB
USB 2/3 Testing Patriot 64GB SuperSonic USB 3.0

Power Consumption

Power Consumption—Idle

Power Consumption—Video

Power Consumption—OCCT

Power Consumption—Metro 2033

CPU Temperatures

CPU Temperature—Idle

CPU Temperature—Video

CPU Temperature—OCCT

The ASUS P8Z68-V PRO doesn't do too badly in the temperature tests, but it is towards the bad end on our power consumption tests.

ASUS P8Z68-V PRO: UEFI and Overclocking System Benchmarks
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  • tomoyo - Wednesday, May 11, 2011 - link

    Haha I love russia lines.
    But I do think a number of us want a system that is the fastest, lowest power, and quietest. Conflicting options, but options I always go for in every system. Also cheapest is nice also. It seems like a much better challenge than the lame boring crap of fastest o/c. Only the truly awesome can mix everything together :)
  • xinaes - Thursday, May 12, 2011 - link

    Conflicting, like anything else in life. We want to know what options are available and to find the best balance / compromise for our needs.
  • L. - Thursday, May 12, 2011 - link

    Again, you want the greenest solution ?

    Undervolting is NOT it.
    Sandy Bridge != reasonably powerful.
  • tomoyo - Wednesday, May 11, 2011 - link

    Uh what? Hello sandy bridge is amazingly low power consumption AND fast. Nobody wants a piece of @#$% atom or e series when you can get something fast AND low power consumption.
  • L. - Thursday, May 12, 2011 - link

    Errr .. you might want to go back to school and learn how to compare numbers ...

    There is NO comparison between an e-350 and a Sandy Bridge in terms of power consumption - besides said chip is not really a piece of crap if you don't play modern games.
  • NeBlackCat - Friday, May 13, 2011 - link

    Which do you think wins in power efficiency, for the widest range of tasks from nothing to re-encoding a BlueRay?
  • Stuka87 - Wednesday, May 11, 2011 - link

    It would be cool to see a review done that way to see what kind of power savings there are. My guess they will be very little since just about every modern chips declocks itself constantly.

    But this motherboard is NOT for that segment. This is a top end performance board. NOT the board to use if you want yo conserve energy.
  • vol7ron - Wednesday, May 11, 2011 - link

    The procs go into a low-power/normal state when not in use and they jump in clocks when workloads demand, but that low-power state is probably spec defined, and not the min that you could get. Just like, if you were to OC the chip yourself, you'd get more jump than the max boost.

    For these reasons, if a person wanted to manually set an undervol7ed/underclocked configuration, it'd be nice to know before a purchase. I don't think it's a fair assumption to say that same user would always use that configuration. They might do video/photo editing or gaming very sparingly and just want to conserve power when and where they can.
  • cyklonman - Wednesday, May 11, 2011 - link

    Sandy bridge undervolt it self to rougly 4W in idle, undervolting at load will gain more but there is no real reason.
  • NeBlackCat - Wednesday, May 11, 2011 - link

    But when you're not at idle...

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