INPAI has an eye-popping article about how two phones with the same guts can offer vastly different performance [Google Translate]. [Link fixed.]
This is very long and one of the most in-depth tests I’ve ever seen published anywhere.
It’s worth slogging through the Google English to see just what was tested and each result. You’ll get a real education into how complex and thorough some testing can be.
At the end is the punch line — and the culprit isn’t anything you would expect! I certainly didn’t.
If you ever wonder why your phone or tablet performs differently from one with identical specs, it could be what’s going on with these two phones. At the very least, you’d be able to confirm it — even if you couldn’t change it.