1080p gaming on 4K panel

Discussion in '2015+ Alienware 13 / 15 / 17' started by chelski26, Jul 28, 2016.

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  1. Beasthunt

    Beasthunt Notebook Geek

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    This would be the answer I would give. I have a 1440p monitor on my desktop and when I play at 1080 it's a dull image. You can easily tell the difference.
     
  2. chelski26

    chelski26 Newbie

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    Thank you sir. This is the answer I want to believe in. Looking forward meeting with my AW 15.

    However, will there be fps decrease when you run 1080p on 4K compared to 1080p on 1080p ? because you are powering four times the amount of pixels compared to the regular 1920x1080 ?
     
  3. chelski26

    chelski26 Newbie

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    dude, you should read the explanation about the integer scale, which doesn't apply with 1440p monitor, since 1440/1080 = 1.333 which means each image pixel is represented by 1 and a third screen pixels, and leaves one pixel with 2/3 empty part that has to be filled with whatever kind of interpolation the screen was programmed with, and that interpolation result is the thing that makes your display a mess.
     
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  4. Mickbt26

    Mickbt26 Notebook Evangelist

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    Have you guys tested running windows 10 at 1920x1080 full screen on your 4k ?

    You would need to the scaling back to 100% at 1080 aswell to get a better idea.
     
  5. Luke Taylor

    Luke Taylor Notebook Consultant

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    Crispy, what is your point?
     
  6. nzgeek

    nzgeek Notebook Evangelist

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    There shouldn't be an issue. The screen itself should be doing the upscaling, separate to the generation of the frames themselves.

    When upscaling an image, many image viewers and editors will interpolate the pixel boundaries by default. This is done to reduce the visibility of the individual pixels, but causes fuzziness as a result.

    The screen won't do this because it's slower than a pixel resize and weighted average.
     
  7. nickbarbs

    nickbarbs Notebook Deity

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    I am certainly standing by my point, having 4 pixels upscaled from 1 pixel on an HD screen was noticeable to me full stop.

    If its not to you great.

    Posting screen grabs at 1080 doesn't prove anything.
     
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  8. scottdrmyers

    scottdrmyers Notebook Consultant

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    When you display a 720p image on a 1080p display the interpolation causes it to look worse than viewing the 720p image on a native 720p display. The ratios are not exact. However, when displaying a 1080p image on a 2160p display or a 720p image on a 1440p display, the image will look basically the same, although some will notice the difference, it's very very slight.

    When you are viewing a 1080p image on a 4K display, the ratio is simply twice the size. So the math:


    1920 x 2 = 3840
    1080 x 2 = 2160

    Starting resolution is 1920x1080
    Final resolution is 3840x2160


    And comparatively 720p x 2 is 1440p. Get it? Ok good!



    So displaying a 1080p image on a 2160p display (4K) will simply look better than displaying a 720p image on a 1080p display.

    The thing is the screen size isn't any bigger, it's still 15" (in my example) so the image is not really being *blown up*, you're still the same distance from the display when using it and the extra pixels fill in the gaps.
     
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  9. 13ow

    13ow Notebook Enthusiast

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    Honestly, the 980m 8gb cant keep up on 4k on most of the higher settings in the latest games. It looks better in 1080p. I personally run my desktop in 4k hd and a few games, such as Battlefield 2, and Overwatch. (Overwatch is on low settings, but i dont want higher settings)
    and I play cs:go on everything "very low" on 720p. Looks great :b Nothing to complain about. Only reason I have a 4k hd is because i got it for free because my old alienware had too much issues so dell upgraded my laptop.
    I do notice the resolution does matter. For example, take battlefield 2. Seeing helicopters in the distance is less "edged". You need to focus on a tiny object on the screen for the resolution to "kick in".. if it makes any sense :b
     
  10. Luke Taylor

    Luke Taylor Notebook Consultant

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    Well I can play mass effect 1,2,3 at 4k on Max settings.

    I can play overwatch at 2k on epic

    I can play battlefield 4 at 2k on ultra resolution scale 125%

    Yes the 980m isn't the answer for 4k gaming at least not on recent titles but 2k or 4k I can't tell unless I'm pixel peeping. But whether or not you can play at 4k, watch high res YouTube and having that much space for photo editing is fantastic. I never thought I'd be going past 1080p so to play at 2k and occasionally at 4k is simply a bonus


    Sent from my SM-G935F using Tapatalk
     
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