The LG UF8500 4k UHD LED TV has worse picture quality than average, especially in a dark room. The color accuracy at an angle is good though, as are its smart features.
The LG UF8500 LED TV is basically the same as the cheaper UF7700, but with 3D. Overall, the picture quality is not very good. At least it maintains its colors at an angle and has great smart features.
Similar to the LG UF7700, the local dimming is a bit useless. The zones are really big.
Due to its IPS panel, it maintains its color accuracy even when viewed at an angle.
Update 01/06/2017: We have changed the methodology of testing. Since this is an old TV which we don't have anymore, we extrapolated the results from 2016 TVs.
It can play 24p movies judder-free, except when they are transmitted over 60p. 'TruMotion' is the soap opera effect feature.
The input lag varies a lot, but all modes are about the same, so you don't need to be under 'Game', as long as you turn off 'TruMotion'.
It doesn't support 1080p @ 120 fps, but it does support chroma 4:4:4 if you label the input as PC. To get 4k @ 60hz @ 4:4:4, you will also need to turn on 'HDMI Ultra HD Deep Color'.
The LG UF8500 has the latest WebOS smart TV platform, which is great. The remote can also be used to control the on-screen pointer. You can see our full review of WebOS here.