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Performance question: PNG vs JPEG

Ivan_FM asked:

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I have to decide between PNG or JPEG image format for the pictures that my project will work with.
I've been testing the conversion of the same pic to this formats, different ppp config, and all the results says that i can get a good resolution with JPEG with so much less image space.

Certainly, PNG is a "lossless compression format", and JPEG gets more compressed images… but what I haven’t readed anywhere is if this compression means different performance impact to my project.

What I have tried:

This is my example, an image with 982x650 pixels, at 175ppp

PNG file -> 1582kB
Jpeg file -> 141kB

The difference is clear. And that’s my question: This difference of size means that my program will “decompress” the jpeg files before using it? The PNG files will be faster because is less compressed?

Thanks.


Searching, I’ve founded this link, hope it was helpful for us too. Learn When to Use JPEG, GIF, or PNG with This Graphic
Tags: image-processing

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