There isn’t a good lag tester on the market that can do 2560x1080 natively. I’m sticking to using the Leo Bodnar lag tester at 1080p because it is a well-known, reliable test that is easy to duplicate. Most scalers also introduce very little delay now compared to color management and other display features.

The ASUS MX299Q helps make my point here in that even scaling the image, we see only 9ms of lag overall. No one should find fault with the performance of the MX299Q when it comes to response times. This shows companies can design displays with very little lag, even if a scaler is introduced into the signal path.

The MX299Q certainly conserves power. The most it pulls down is 38 watts, and normalized for screen size it winds up as one of the more efficient models that I have tested. Excellent results here from the ASUS MX299Q.

Candelas per Watt

LCD Power Draw (Kill-A-Watt)

The gamut of the MX299Q also performs a bit over expectations at 75% of the AdobeRGB space. It isn’t close to enough of the AdobeRGB space to use it in that mode, but for sRGB material it will work very well.

LCD Color Quality

Display Uniformity Conclusions
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  • coolhardware - Monday, September 23, 2013 - link

    For the past few years I have been using a Dell 30" 2560x1600 in landscape, sandwiched by two Dell 20" 1600x1200 displays in portrait mode.
    http://www.jdhodges.com/blog/shed-to-office-conver...
    With the two side monitors rotated, all three monitors end up being the same height and pixel density... :-)
    http://www.jdhodges.com/blog/ultimate-triple-monit...
    (sorry the post is somewhat confusing, it was quickly put together when I was planning and initially installing... I really should update it!)
  • compcons - Monday, September 23, 2013 - link

    I have a 27x9H which is a similar style to this one. There are NO VESA mounts and the stand mounts similar to most LCD TVs. One option is all that is available. Confirm that you can rotate it if necessary. Personally, I mounted my old gateway 22" on a monoprice desk mount and rotate it vertically when I need it.
  • Nagorak - Tuesday, September 24, 2013 - link

    Sounds to me like you're just going to end up with a crick in your neck.
  • sjpxk992013 - Wednesday, October 2, 2013 - link

    I have the Dell U2913 in portrait mode attached to a Thinkpad W520 with another Dell 24" as the landscape 1080p panel. With the laptop LCD running Metro in the center stack the two choices make working super easy.

    Road and Track for instance looks perfect in p-mode where my banking sites look better in standard l-mode
  • ComputerGuy2006 - Monday, September 23, 2013 - link

    Although its nice not to be stuck in the old 1080p monitors, id like to see something with more sensible resolutions. Something between 1600p and 4k would be nice, or even 4k 60hz at decent prices....
  • Kevin G - Monday, September 23, 2013 - link

    3200 x 1800 resolution exists as it is found on some 15" notebooks. I wouldn't mind such a resolution on a 24" desktop display.

    There is also 3280 x 2048 resolution displays used for medical imaging but they're prohibitory expensive. 4K displays like the Asus PQ321Q are actually cheaper.
  • blanarahul - Monday, September 23, 2013 - link

    Really, really awesome review. I especially loved the "Contrast Uniformity" chart. I hope others would do it too.
  • althaz - Monday, September 23, 2013 - link

    8,000 cd/m^2 is REALLY bright - it's about half a percent (0.5%) of the brightness of the sun. Half a percent might not seem like much, but we're talking about the sun, which is REALLY bright.
  • DanNeely - Monday, September 23, 2013 - link

    Assuming your comparison is using cd/m^2 for both and are measuring the sun as seen from the Earth; at any reasonable viewing distance that monitor would have a higher total luminosity than the sun.

    Geek tanning both anyone?
  • piroroadkill - Monday, September 23, 2013 - link

    Wow, a monitor that wide is incredibly ugly.

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