the XPS 15 struggles because it has a 45W CPU, a powerful GPU, and a 4K display. 4K has four times as many pixels as 1080p, so that's a lot more power that it's using. The screen is what Dell ...

That said, gamers might run into trouble running their favorite games with the Integrated Intel Graphics. The latest Dell XPS 15 works best as a laptop for work and school, though you can pay for ...