Originally Posted by Ingenieur7
The SGS3 has a bigger HD Super AMOLED screen and higher PPI than the Maxx HD.
They are both 720p, and the S3 is slightly larger, so that means it has lower ppi than the Maxx HD.
Now personally I don't think the difference between 306 ppi and 312 ppi matters at all in practice. But if we're going to quote spec points as if they mean something then let's get them right.