Both work great so it matters less today which ever one you go with, but see this other thread for that specific discussion on the difference → Zigbee buyer's guide
However it is still much more important to follow these best practice tips and recommendations regarding setup and Zigbee network optimation → Zigbee network optimization: a how-to guide for avoiding radio frequency interference + adding Zigbee Router devices (repeaters/extenders) to get a stable Zigbee network mesh with best possible range and coverage by fully utilizing Zigbee mesh networking