Will my Beats by dre Mixr sound better on the Samsung Galaxy S3, or iPhone?

Basically my old contract has ended and i'm looking to purchase a new phone, and it's between the iPhone 5 and Samsung Galaxy S3. One of the main features that i'm looking at is the sound quality with the Beats headphones, as i also have an ipod but it's quite old. Is the sound quality better with the iPhone 5 or samsung galaxy s3?

Added (1). Sound quality with the Beats by Dre headphones comparing the iPhone5 with the SG3.

Yes, it will sound much better if you get the Beats by Dre DR

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