LG 55UF770V User Review

  • tomstephens89
    An average 4k TV for casual viewing
    Review of LG 55UF770V LED LCD TV by tomstephens89, Jan 16, 2017.
    I owned the LG 55UF770V for 10 months. It was my first venture into the wonderful world of 4k and an upgrade from a 39" 1080p middle of the road Samsung.

    First impressions were good, 4k content from netflix really popped, images were sharp, clear and bright. The upscaling engine performed similar magic on my blu ray collection, seemingly making my 1080p blu rays look just that bit better.

    Sound was decent for built it speakers, not amazing but I had it connected to my AV receiver most of the time anyway so the TV's built in speakers don't concern me at all.

    I did seem to have a problem with the ARC on this unit. No matter what cable I tried, what settings I changed on the TV or AV Receiver, I could not get audio back into the AV Receiver via ARC, I had to resort to an Optical cable in the end.

    The next step was to try some games on my PS4. This is when the problems started.

    Firstly, the input lag when the picture mode is 'normal' is terrible. Completely unusable for games at all. This had me worried, since I had never experienced so much input lag before. Switching to 'Game' mode seemed to bring the input lag down into playable territory however had seriously detrimental effects on the picture quality, images appeared less sharp, and colours less impressive.

    Moving on to my next issue, fast paced action... When watching 1080p blu rays and allowing the TV to upscale, screen tearing and motion blur was an all too common problem. I did notice throughout the life of this TV in my possession, a couple of updates down the time and this became less of an issue, so perhaps this was just firmware catching up with the hardware.

    My final point is the backlight & colours. The backlight appears uniform to my eyes, I couldn't identify any bright spots or hotter areas at all. However I must say that this TV is unable to produce a decent, accurate black. When watching letterboxed films, the bars are visibly grey and nowhere near black.

    This TV was at the time, a budget entry point into the land of 4k and I think it shows it. Whilst it displays crisp, sharp and bright images, it struggles with fast motion and thanks to the input lag, I would not recommend it for gaming, even though it has a game mode.

    This TV in my opinion would make a good second set for another room. However, I would much rather have saved my money and bought a higher end TV at the time to protect my investment somewhat. Especially since this set lacks HDR and its motion handling is below average.
    This item was purchased for £719.99 from Richer Sounds in 2016. The reviewer replaced this with the product Samsung UE60KS7000.


    • Sharp, Bright Image
    • Good Value at the time


    • Terrible input lag
    • Poor motion handling

    Contrast/Dynamic Range/Black Level


    Screen Uniformity


    Colour Accuracy


    Greyscale Accuracy


    Video Processing


    2D Picture Quality


    Picture Quality Out-Of-The-Box


    Sound Quality


    Smart Features


    Build Quality


    Ease Of Use


    Value for Money



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