[beagleboard] HDR camera capabilities on beagle board-xM

Hi,I am looking for a beagle board which is good for a single HDR camera and with OpenCV capabilities for a single HDR camera development module for ADAS purposes i came up with

Beagle board-xM
Beagle board-X15

to me Beagle board xM looks good and if you guys have a better suggestion i am open to it
and i needed to make sure i am no the right track whether should i go with beagle board xM.

Thank you.