Hello, I have a Gigabyte 880GM with an ATI 4250, and I was curious if it would be worth to crossfire with a PCIE GPU. I currently use a EVGA GeForce 9500GT 1GB, so I want to know if it would be that much of a difference. Thanks.
It's not worth it at all.The only cards you can Crossfire with your 4250 are low-end
HD 3xxx/4xxx series and Hybrid CF won't give you a major boot in performance.
Upgrade your card to something faster instead.
You can only hybrid crossfire with the low end 2400 or 3400 (not the 4300 series) series as they have the same number of shaders (40) as the onboard GPU. Basically it would take you up to a fast clocked 4500. Big Whoop. So no you can't and even if you could it wouldn't be worth it.