AOC announces V4 monitor series

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, Mar 2, 2021.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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    Display specialist AOC launches a new monitor line – the V4 series – offering QHD and UHD resolutions with panel sizes of 23.8” (60.5 cm), 27” (68.6 cm) and up to 31.5” (80 cm)....

    AOC announces V4 monitor series
     
  2. Silva

    Silva Maha Guru

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    Low quality, low refresh rate, 6 bit garbage panels. But, the first 23.8'' QHD I see in a long time!
    Hopefully other manufacturers make a decent true 8bit 144hz QHD panel people would actually want to buy soon!

    PS: I've used a 6bit panel and I advise everyone to stay away if they don't want to go blind and have constant headache. Now rocking a Benq EX2510 and loving it. Would buy again!
     
  3. Abd0

    Abd0 Member

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    Where does it says 6 bit panel? I read the announcement 2 times and can't find it, do you have an external reference on this, I was eyeing an AOC screen and want to make sure it's not a 6 bit panel.
    Note: I thought that 6 bit panels were a thing of the past, maybe even before 2010
     
  4. alanm

    alanm Ancient Guru

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    AOC need to change their name. I'll bet it ruffles some conservative peeps who associate the name with Alexandra Ocasio Cortez. :D
     

  5. Fox2232

    Fox2232 Ancient Guru

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    I am not buying BenQ screens since XL2420T. Amount of firmware modifications I had to do to get reasonable representation of white and smooth color transitions was far beyond what anyone should be doing.

    Tom's review of your screen shows yellow tint on greyscale too. If BenQ managed to fire engineer responsible for color transitions, I do not know. But that thing my screen was doing originally was disgusting.
    Battle against blue light has to stop. Or such screen needs proper color representations when anti-blue-light function is disabled.
     
  6. Silva

    Silva Maha Guru

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    6bit panels have flooded the market in recent years, almost all cheap monitors are 6bit panels.
    How do they reproduce an accurate colour colour then? FRC, a technology invented by LG in the mid 2000.

    Here is the reference: https://www.displayspecifications.com/en/model/319d2489
    I also used this website to screen hundreds of monitors until I found my Benq EX2510.

    TLDR: avoid FRC like the plague if you wanna avoid headaches and eye strain.
    Here you have the info friend: https://www.displayspecifications.com/en/model/0a759b4
    As you can see, another poop panel with 6 bit impossible to ever be good. It was also a TN panel, no wonder colours were horrid.

    My monitor is not 10bit or anything fancy, but I find the colours good without being oversaturated.
    Reviews are good across the board:
    I don't trust Toms Hardware.

    Take care.
     
  7. Fox2232

    Fox2232 Ancient Guru

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    It was a software problem. I even made thread about it here. I did fix all problems monitor had. After that colors were actually good. Not IPS good, but good. But I am not talking HW, I am talking BenQ's software approaches.
    And as for your link. I have no idea how could XL2420T score sRGB 95% out of the box. If they measured entire spectrum of colors, not just limits, it would score like 80% out of the box.
    Yours scored on same site 99%. But video you posted shown 7 point edge test as sRGB 98%. And more detailed spectrum measurement shown similar issues as XL2420T had. But smaller.
    Back then, BenQ firmware used CMY+RGB hybrid for color manipulation. And by manipulating strength values, they did shift colors around. While their way was stupid to begin with, they had mathematical errors which caused uneven color space of each R,G,B,C,M,Y. So, some regions were bigger, some smaller. And as they were not connected in fluid way, you could have send to display perfectly smooth gradient, but there would be sharp color jump at edges between those 6 color zones.

    Don't take it personally as I am not trying to poop on your screen. Just said what I think based on Tom's measurements. And 10th minute in video shows same blue issue.

    And I just used google to find my posts. Sadly images are gone from hosting now. I may have them in one of backups. Will check.
    If I find them, I'll post them here, so you can really see how it looks when reasonable HW gets slaughtered by software.

    Edit: Found them.
    Top 2 show when computer outputs whole, unchanged "color wheel" and RGB saturation is set to 0 on monitor's FW level. Right image shows same input, but CMY saturation is set to 0 on FW level.
    Bottom 2 show Gimp2 "color wheel" when RGB saturation is 0. And on right when CMY saturation is 0.
    (Top photos should be as close as possible to bottom.)
    XL2420T_ColorScheme.png


    IMG_0842.JPG
    IMG_0841.JPG
    IMG_0843.JPG
     
    Last edited: Mar 2, 2021
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  8. Silva

    Silva Maha Guru

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    @Fox2232
    The website has the manufacturer specifications, that doesn't take into account panel variation or straight up lying about specs.
    The video I shared is one independent review. It's not a 10 bit panel and many "features" suck (monitor speakers? mine are muted from day one), but I think it's a good and fast panel for the money.
    I can see the issue you had and for sure that's really bad factory calibration, any panel can suffer from it and in many video reviews I saw few panels came close to colour perfect (unless it was a pro panel meant for colour grading work).
    No one will buy a 250€ calibration tool to use once a year, and every panel is different to just use someone else profile.
    I'm not anal about colours, I just don't want headache and burning eyes from sitting on the computer.
     
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  9. Fox2232

    Fox2232 Ancient Guru

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    Speakers should not be integrated into screens anyway. And I do not really think one needs 10 bit panel. Especially with FRC and high refresh rates.
    I have in my list of upgrades this:
    https://www.displayspecifications.com/en/model/4b9f1cc7

    But I value more high refresh rate than panel type itself. Because viewing angles are not as important for me. And while modern IPS screens have much better transition times than old TN panels. I am not exactly sure, if transition time is good enough for frametime around 4.2ms (240Hz).

    And I do not think that exact color accuracy is as important as not having those nasty sharp transitions. But having white which is white happens to be very important.
    (And subjective, as each person likes different kind of "white".)
    But for that, one can as well use by eye calibration tools. Like Atrise Lutcurve.

    Funny thing is that I can sit (and often do) 16 hours in front of multiple screens a day, after day. And No problems. Only screen technology that ever gave me headache was 3D vision with active glasses. 5 minutes of testing nVidia Vision3D was enough. Then I tested passive 3D from LG and got that. Again, I could watch comfortably whole movie, or play games entire day.

    And I can tell that replaying HL2 in stereoscopic 3D made it so much more fun. But TV manufacturers failed everyone when they brought 4K TVs and no passive 3D features.
     

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