Android Central did a good comparison between the two devices, could help those who are considering both devices to make a good decision.
Honor 5X versus OnePlus X: Upstart mid-ranger head-to-head Honor 5X versus OnePlus X: Upstart mid-ranger head-to-head | Android Central
Honor 5X versus OnePlus X: Upstart mid-ranger head-to-head Honor 5X versus OnePlus X: Upstart mid-ranger head-to-head | Android Central