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4890 or 5770?

arctine said:
Looking at that though, my HD 4890 will idle at 25-35C and never go above 50 under load (fan at 40%....very quiet). It has a lot to do with your case/air flow.
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Core and memory clock also.

I would rather go 5770 for the heat levels and power consumption plus although it is early doors DX11 but from what I've seen it seems more efficient than DX10.1
 
Well granted, this is with my GPU clocked at 870mhz and memory clocked at 975mhz. Not as high as i could probably push it but more than adequate to run any game at full settings with at least 30fps. I don't know how well the 5770 performs compared to a 4890 but i'm not fussed either as i can already do everything i want to do.
 
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