I have Acer predator g3620 gt 640 i5 33350p 1tb hdd ram 1600mhz and he get maybe 10 fps more than me and he have no lag why? His specs turbo x laptop 4 ram 1333mhz some i5 2th generation with 2.4ghz and gt 540m i play it on same resolution as him averything on low why he get better performance?