Why can't my gpu run iMovie?!

[Marcoman]

My gpu is a gtx 770, how come a gtx 750ti can run iMovie and my 770 can't when both cards are 700 series cards?! Is there any way that I can be able to run things like iMovie or Final Cut Pro X?

 

[slim.jim]

My gpu is a gtx 770, how come a gtx 750ti can run iMovie and my 770 can't when both cards are 700 series cards?! Is there any way that I can be able to run things like iMovie or Final Cut Pro X?

A 770 should be fine but the 750ti is a much newer card based on a newer architecture.

 

[Marcoman]

A 770 should be fine but the 750ti is a much newer card based on a newer architecture.

They are both in the gtx 700 series...
So does it mean it is my CPU?
CPU: i5 3330(ivy bridge)

 

[slim.jim]

They are both in the gtx 700 series...
So does it mean it is my CPU?
CPU: i5 3330(ivy bridge)

Are you getting an error or something? My Core 2 Duo MacBook Pro from 2009 runs iMovie just fine.

The fact that the cards are both 700 series means nothing. The 750ti is more similar to the 900 series because they are both built on the Maxwell architecture. The 770 was released 1.5yrs before the 750 and is based on the Kepler architecture. They are very different cards.