When you see both phones you get the feeling that the s4 is bigger, but some sites say that they have absolutely the same dimensions (except thickness). Here's a visualizationhttp://www.phonearena.com/phones/Samsung-Galaxy-S-III_id6330/size#/phones/Samsung-Galaxy-S-III_id6330/size/Samsung-Galaxy-S4/phones/7597 Seems like the S3 is even hair wider than the S4. So, it's the S3 is bigger, right?
Read more: Is te s4 taller than the s3?