Hi, I have Gigabyte gtx 750 ti -2 gb: www.tomshardware.com/reviews/geforce-gtx-750-ti-review,3750-4.html; It says that it is clocked at 1030 mhz and has a boost of 1111; When I play the card goes at 1176 Mhz monitored with Msi Afterburner; Why does it goes at 1176 and not 1111 how it says?