Xbox One will play Fallout 4 and Star Wars Battlefront i.e. with decent fps and graphics details - and to get the same result with a pc, you´d have to get a much stronger gpu than a GTX 740. Thats why 02david´s solution is found wanting.
In short, there is no 350 USD pc gaming rigg that will perform as well as Xbox One currently. But the comparison itself is crap, since its like comparing apple to oranges.
Consoles primary concern is to deliver gaming experiences and even though you may watch movies on them or use them for skype, they are not ideal for stuff like work, school or basic emailing. Any gaming rig will be able perform work, school and email correspondonce at a much better level than consoles. Heck, a simple task like...