Same settings I assure you that. He also teamviewed me and I played on his computer at his house a couple times. Same settings man
All on ultra but v-sync and anti aliasing is off.
Wait, so you are telling me he runs without AA and V-Sync? If so, then that is the issue. If you run with V-sync and you cannot maintain 60FPS, then your machine will run at something lower that it can sustain such as 30-40. AA adds a lot of load by the way.