LG 34UM67: UltraWide FreeSync Review
by Jarred Walton on March 31, 2015 3:00 PM ESTLG 34UM67 Power Use, Gamut, and Input Lag
With a full white screen and the brightness set to maximum, the LG 34UM67 uses 48 watts of power at the outlet. Setting the backlight to the minimum setting reduces this down to 18 watts. Targeting 200 cd/m2 meanwhile gives us a power draw of 35W. These results are really quite good for this size display.
The 34UM67 reproduces 75.4% of the AdobeRGB color space and 110% of sRGB (though some colors fall short while others are well above the sRGB spec). This is exactly what it sets out to do and is acceptable for a consumer-focused gaming display.
Input Lag?
As we lack the hardware to properly test for input lag, the only thing I can comment on is the experience. I’m not the best person for sensing input lag, though anything above 30ms or so definitely makes me notice. Having used several G-SYNC displays as well as many laptop displays over the years, I didn’t notice any issues with the LG display – if anything I’d say it was perhaps slightly more responsive than other (non-G-SYNC) displays I’ve used, perhaps thanks to the DAS feature. At least as far as input lag goes, there were no problems in my experience, and I’ve seen reports of ~10ms online which would agree with my subjective assessment. Other displays may show less input lag, but below 20ms it gets very difficult to notice.
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mobutu - Wednesday, April 1, 2015 - link
There's one really good 144Hz IPS panel/monitor: http://www.tftcentral.co.uk/reviews/acer_xb270hu.h...3DVagabond - Wednesday, April 1, 2015 - link
It's not an AMD display. It's LG. AMD only makes the cards that can do dynamic refresh rates with the DP1.2a standard. Whatever the specs or features are for the panel are at the monitor manufacturers discretion.Murloc - Wednesday, April 1, 2015 - link
that's one advantage of G-Sync: more control on monitor features since they can just refuse to license the board and it protects the brand by giving it a premium feel (putting the horrible RMA rates I heard about the swift aside), and people fall for it.medi01 - Thursday, October 22, 2015 - link
There is no such advantage, 1.2a is a standard, AMD FreeSync is a sticker which they can decide to give or not.Ubercake - Wednesday, April 1, 2015 - link
I agree. This implementation of adaptive sync is pretty bad. Frame rates in games like Battlefield 4 are often above 90 while playing and then can drop into the 50s at different points. With most games the frame rates are all over the place based on GPU demand and don't fit into this 27Hz/27fps range.dragonsqrrl - Wednesday, April 1, 2015 - link
As mobutu said Acer currently has a 144Hz IPS G-Sync monitor on the market, and to top it all off it's 27" 1440p. Linus recently did a great video review of the XB270HU:https://www.youtube.com/watch?v=_LTHr96NueA
blanarahul - Tuesday, March 31, 2015 - link
*sniff* *sniff* Nobody cares about the high contrast ratio VA panels.jjj - Tuesday, March 31, 2015 - link
At just 1080p feels like a waste to go there. Even 1440p doesn't feel like enough if you are gonna invest this much in a new screen.Anyway, it might be wise to include screen dimensions and screen area in the specs. With such huge differences in AR, the diagonal is misleading. Hell, i would even chart price per square cm but i don't expect you to do that. A 34 inch 16:10 screen would be almost 25% bigger than this one, or a 30inch 16;10 is almost the same area. In a better world regulators would force retailers to properly display screen dimensions, 99.9% of consumers don't realize the differences in size that come with AR.
xthetenth - Tuesday, March 31, 2015 - link
3440x1440 is really worth it because it's the best resolution you can get for working without messing around with scaling (and frankly it's better than the ones you'd want to use with scaling in most regards for functionality)jjj - Tuesday, March 31, 2015 - link
At 650$ it's a 5 years or more purchase not 1-2 years. And that's mostly 4k territory.Buying a 27inch 1080p IPS at 200$ on an easy to find deal is ok for 1-2 years of usage but this is a lot more. 1440p is much better than 1080p ofc but it also costs a lot more and you end up in a similar situation.