LG 38UC99 review: 4K UltraWide

LG brings 21:9 UltraWide to another level

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Gaming: response time and inputlag

The LGUC99 is not primarily a gaming monitor and the response times are not spectacular. That said, the monitor is fast enough for most games. Especially when you turn on overdrive, although bear in mind that this will result in some overshoot.

We show, in a manner of experiment, both the rise and fall times separately, as well as the combined values. We also show the maximum and optimal overdrive results. The optimal overdrive values are combined rise / fall response times of 16 ms or lower with an overshoot that is as low as possible. In other words: a response time of 4 ms and an overshoot of 60% is in our opinion worse than a response time of 15 ms combined with an overshoot of 5%. After all, overshoot and undershoot result in annoying artefacts around moving parts of the image, mainly with contrast-rich gradients you can see thick white or black edges. In our opinion, these are worse than light ghosting.

Response times standard

Response times maximum

Response times optimal

 

Input lag

We do not measure any mentionable input lag.

 


Product discussed in this review

  Product Lowest price

LG 38UC99-W

37.5 inch, 3840x1600, 111 ppi, IPS, AMD FreeSync, 75 Hz, HDMI input, DisplayPort input, 300 cd/m², 1000 : 1, 5 ms

Specifications Test results Reviews Prices

$1,299.00

Avg. $1,299.00
1 shop, 1x stock

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