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Thread: Phone screen size aspect ratios?

  1. #1
    Join Date
    Feb 2005
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    Question Phone screen size aspect ratios?


    My current phone for years has been the Samsung Galaxy S4. I believe the aspect ratio of its screen is the same as a standard wide-screen movie (or wide-screen TV, 16:9. It seems like 16:9 widescreen is standard for laptops now too. (Although i preferred the older 4:3 taller laptop screens.) Likely desktop monitors as well. I think Android and Windows tablets are all 16:9 as well, although the Ipad (at least the older ones) is 4:3. So I think the 16:9 aspect ratio of my Galaxy S4 screen is pretty standard now for most types of screens, including phones 5 inch screens and under.

    I am thinking of getting a bigger screen phone, or phablet. Although there are disadvantages with the increased size, I also see advantages, especially with my aging eyes, and think it might somewhat be able to function as a small tablet, while still fitting (even if not as well) in a front (male) pants pocket..

    I think the size for a "phablet" is considered 5.5 inches and higher. Many are 5.5 inches, some 5.7 inches, and some even larger, such as 6 inches. By far the most common though, seem to be 5.5 and 5.7 inches.

    I understand that the reported measurement of screen size is the diagonal measurement, from one corner diagonally across.

    Well, there could be different combinations of height and width that would end up measuring 5.5 inches diagonally, for example.

    So my first question is-- does a designated screen size of 5.5 inches refer to a specific screen height and width, or are there multiple different 5.5" screen sizes, that all end up being 5.5" diagonally? Or is it standardized?

    I compared my S4 with a 5.5" screen phone in a store. The 5.5" phone was only slightly wider, but MUCH longer than my S4. (That description is holding the phone portrait, of course.) As the S4 is already standard widescreen aspect ratio, that would make the phone I saw much wider (if landscape) or longer (if portrait) than standard widescreen movies, TVs, laptops, Android tablets, etc. I can understand why they might not want to make the phone much wider, making it harder to hold. On the other hand, one wonders how valuable a larger screen is if the increase in size is mostly in one direction, and the aspect ratio of the screen becomes so skewed, so much longer and narrower (portrait) than other screens?

    However, regarding my earlier question- if 5.5" screen size is not sometihng standardized, but could be different combinations of height and width to add up to 5.5" diagonally, then all 5.5" phones might not have that skewed extra long and narrow screen aspect ratio? Which is it? All 5.5" screens the same height and width (of screen, not phone), or do they differ?

    If one goes larger than that, to 5.7 inch, might that more likely add width as well as length, to have a more normal aspect ratio? Or do those still keep a similar width (in portrait), while adding still more length, to create an even more skewed longer and narrow (portrait) aspect ratio?

    I am eager to hear whatever info and insight you have on this issue. Thanks in advance for your input. :-)
    Last edited by maiki; 07-23-2016 at 07:27 PM.

  2. #2
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    Feb 2005
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    No info on this? I am curious?

  3. #3
    Join Date
    May 2010
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    There are lots of different aspect ratios. Can google for phone aspect ratio for that.

    Based on that i would say theres no standard for measuring length and width. You should be able to find the exact measurements under technical details on phone spec sites like GSM arena or the carrier/manufacturer/retailer website

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