Not on 10S... It's the only browser that will work.
I'd do a factory restore as it sounds like you have something goofy going on..
Mine came and it's indeed a 7200U. Not sure what type of magical machine @sunfir222 received but mine is in fact a 7200U
https://s23.postimg.org/wzjfdg7iz/7200_U.png
@chattoe here is a CrystalMark from my 256GB SSD... It's abysmal!
https://s18.postimg.org/lq3lf5pdl/surface_ssd.png
like this?