Never stayed at the Radisson but have stayed at the Byorten. I liked the room I received - it was quiet and nice bathroom. Typical Scandic hotel - the breakfast was in the restaurant across the hall from checkin and was very good the morning I had it. Its a short walk to the harbor and downtown area.

If the Radisson is across the street (don't remember it) then its only a quick 2-3 minute walk from the train station and easily done.