Using the Xim4 on consoles will give u a slight advantage not a Full one. The reason is because your mouse will only turn as quick as the highest sensitivity on the game that you are playing it on. If it allowed full DPI there would be no match between a Keyboard and Mouse player and controller user.
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It's whatever you're used to and comfortable with. I think that if you are comfortable with k&m playing it could give you a big advantage. As seen in the gameplay, the way the player is able to follow other players dropping down from high to low is practically impossible with a controller.