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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  • GTVic - Thursday, June 19, 2014 - link

    Because if you want the width of 2 screens without 2 screens 21:9 is not it. Not even as wide as two 4:3 monitors (24:9). So yes, the 21:9 "standard sucks", get used to that.
  • gochichi - Thursday, July 31, 2014 - link

    The panel itself is moderate, I wouldn't call it impressive. I think what makes this more of a premium device is the Thunderbolt, the USB hub and connectivity.
  • mike8675309 - Thursday, June 19, 2014 - link

    Now just get the monitor manufacturers to build reasonably priced monitors at a reasonable size with better than 1080 vertical resolution. The move to this utterly stupid 1080 vertical resolution for desktop monitors has gone on long enough. Some people actually try to do work on their computers these days. We are not all just watching movies.
  • gochichi - Thursday, July 31, 2014 - link

    I share your frustration. The solution to our problems seem so exceedingly simple and yet it seems like not a single company can set aside the marketing hype of wide screen.

    Now we get even more radical on the display... like the display is the god you worship or something. I say, the display is just one tool of many tools... and I wish the tool were good. Very very few good displays available right now. None have the most obvious necessities available. 1600 vertical res should be far more common. This honestly looks like a kickstarter campaign to me. I'd buy into a standard display port display with 2560 x 1600 at less than 30".
  • oranos - Thursday, June 19, 2014 - link

    niche indeed. good for rich folk who want a unique look. thats about it. if you disagree you clearly don't understand the pc market
  • scottrichardson - Thursday, July 3, 2014 - link

    Yeah. Not really hey. It's got nothing to do with not understanding the PC market. I'm looking at buying this screen and I can see many ways how this is going to improve my productivity and work. As a designer it's going to give me a tonne of space for my tools and palettes all while remaining in single screen mode.
  • Larzy - Friday, June 20, 2014 - link

    Err what ?

    Actually it gives you more width than x2 of your typical 4:3 display

    1280 x 1024 is a typical resolution for 4:3.
    so, 1280 x2 = 2560px wide, but this screen is 3440 px wide so its more workspace than x2 4:3 displays.

    Even if your talking about 1600 x 1200 1600 x2 = 3200, yet this panel has 3440 so its still 40 pixels wider in ratio than most types of 4:3.
  • y.a.k - Friday, June 20, 2014 - link

    What he meant is probably that 4:3 x2 is 8:3. That can be expressed as 24:9 which is more than 21:9.
  • DarkXale - Sunday, June 22, 2014 - link

    1280x1024 is a 5:4 resolution.
  • Larzy - Friday, June 20, 2014 - link

    Sorry I meant 240 px wider,. so in conclusion this display can give you more horizontal space than x2 4:3 displays.

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