Input Lag is still measured using the Leo Bodnar lag tester at 1080p. The LG supports 1:1 scaling modes as well as aspect and wide. In all these modes I had the exact same results so whatever scaler LG is using for this is very quick. If you run a game at native resolution or scaled you will likely see similar results.

Processing Lag Comparison (By FPS)

I measure lag at a scant 18ms. For almost all gamers this should be fast enough, and with the extra wide view you’ll potentially see more of the environment when playing games. Of course, this is dependent on the game, and some games will simply crop the top and bottom rather than expanding your field of view.

Gamutvision reports that 73% of the AdobeRGB gamut is covered by the LG 34UM95. This is right by the 99% of sRGB coverage that LG specifies for the display, and what you should expect with White LEDs and an IPS panel.

LCD Color Gamut

The power draw is comparable to a 27" LCD despite the larger size of the LG monitor. Even with a USB hub and Thunderbolt ports, the power draw is good here considering the size and resolution.

LCD Power Draw (Kill-A-Watt)

Candelas per Watt

 

Display Uniformity Conclusions
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  • Ubercake - Friday, June 20, 2014 - link

    Put G-sync on a monitor with this resolution and I'd consider it. I've found the wider (in pixels) the monitor, the worse the perceivable tearing when gaming. I'd consider a 60Hz monitor only for productivity.
  • JohnUSA - Friday, June 20, 2014 - link

    Only 1 year warranty is no good.
    Should have been 3 years.
  • gochichi - Thursday, July 31, 2014 - link

    You're absolutely right, if I spend $150 on a monitor, then sure 1-year is fine. But if I invest $1000, I want a 3-year advance exchange situation.
  • LudumHair - Sunday, June 22, 2014 - link

    I bought one of these yesterday but the backlight bleed is awful. There are two bright yellowish patches in the bottom left and right corners of the display that are barely noticeable in daylight and downright distracting during evening and night use. Even with brightness set to its lowest the patches are still clearly visible. Buyer beware with these panels - I'm requesting a repair from LG and will take back to the store if that doesn't pan out.
  • arpiggies - Sunday, June 22, 2014 - link

    I feared there would be some light bleed issues with this size panel. Usually happens with first few production runs before it's fixed. May I ask what vendor you procured yours from and do you know the manufacture date of your unit?
  • LudumHair - Monday, June 23, 2014 - link

    Sure, I bought it at Micro Center in NY. The manufacture date is May 2014 and there's a "(Rev 2)" by the serial/model number.
  • Larzy - Monday, June 23, 2014 - link

    Thanks for Sharing that, lets hope LG can iron out leakage in further revisions. I guess each of the manufacturers will be using this panel though, to make thier versions, so I think I'll wait a few months till they've all been reviewed.
  • Laststop311 - Tuesday, June 24, 2014 - link

    I don't like 21:9 makes you move your head too much. 16:10 32 inch 4k monitor with 120hz is my dream monitor.
  • gochichi - Thursday, July 31, 2014 - link

    That's a great dream. I'd certainly consider the monitor you describe. And if it came in at $1000, I'd actually buy it too.
  • genomecop - Tuesday, June 24, 2014 - link

    Seems the backlight bleed is a known problem. I copied this from the thread at HardOcp.com

    ...We have asked our distributor. This product currently has an unknown delivery time. The LG screens are called back because of a fabrication error in the backlight. At the moment it is not known when this model will be available...

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