Hello so my speeds are 51 Download and 60 Upload.

I know these speeds are good but my xbox hits 150 download and 60 upload and i dont know why it is doing this as like i said they are right next to each other. It also says that the device can get 300 Mbps but i know my router only does 150 so it should be perfectly fine. I am 1 room away from my router so about 5-6m away and it is not doing what i thought it should be doing. The device also does not connect to 5ghz which may be the problem but i do not know on how do to that.