RTÉ Sport soccer

Image quality versus file size

When we talk about high resolution images one must always understand that the higher the resolution of the image the larger the file size will be as more and more pixels are added to scale up the resolution of said image.


From the graph above one can easily determine this to be true as the highest quality images can take up to 380kb of memory which can be troublesome for storage especially if one is on a mobile device. You can also see that there is a much more rapid incline from say 90% to 100% than 10% to 20% in terms of file size. This can be attributed to more pixels being added in order to show maximum image resolution.

One should also note that even at 0% percent the files do take up some memory as the file itself still does exist just at a much lower resolution. However if size is your only concern it is clear that 18.1kb is much better than 276kb for the grave image.


This is the image at 90%, we can see that it is very high quality and as a result very easy on the eyes. This is clearly ideal for anyone wanting to store, share or display images as the image is very pretty and high quality. If one was to display images in say a presentation or showcase then this would be what they should be willing to use. However the file does take up 185kb of memory making it rather cumbersome.


This is the same image at 40%. Immediately one can notice the drop in resolution as the image appears slightly blurrier and with less detail. At this percent the image takes up 46kb which in comparison to the image at 90% percent is very little. This would be good for mobile users or just individuals not wanting to take up too much space in general.

I believe the image at 40% percent to be the best in terms of quality versus size as the image appears to be of good quality to the human eye and is taking up little space in regards to its high resolution counterparts.

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