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Crossfire Question

AiiR

AiiR

AiiR

Soldato
Joined
19 Feb 2009
Posts
3,373
Currently running a single 4890 which is mildly overclock in overdrive. It runs pretty much all my games fine with no issues, however there are drops in some, and a little bit of extra performance would be nice.

Sooo I'm purely curious, IF I could get hold of a cheap 4870, would it be worth putting that in and crossfiring the two? Apparently it works, but I'm curious as to whether the gains would be worthwhile.

I'm clueless with crossfire so just hoping for someone with experience to shed some light on this. :D

Ta muchly.
 
Google brings no joy, just a single Crysis benchmark on youtube. :/

Would it be a simple case of just dropping it in and installing the drivers? That's my main concern, the setup stage.
 
Have a look here. Specifically at the comparison between the single 4870 and 4890CF. You'll lose a small amount of performance with 4870+4890 compared to 2x 4890, but not much more than a handful of frames. Some games are offering almost double the frame rate in certain configurations, so it's definitely a good performance option.

It will need a fairly decent power supply however, make sure yours can cope.
 
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