New Lenovo Erazer x315 running slow?

I recently bought a Lenovo Erazer x315 and it hasn't been as fast as people have told me. I can barely run battlefield 4, battlefield hardline, and counter strike: global offensive at 60 fps at medium settings. I've had the computer for a couple days now and I'm pretty sure everything is updated as well. Can someone tell me what's the problem?