What's the difference?

Rybo

Honorable
Nov 4, 2013
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So I was looking around at video cards at the 200$ price range and came across the R9 270x and the 7870 as possible upgrades to my 7770. I really dont see a difference between these two cards:
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127761
http://www.newegg.com/Product/Product.aspx?Item=N82E16814202025

The only difference is maybe a few software updates for the R9 and the company making the cards, and also the price.

I know AMD did some rebadgeing but I assume the 7870 isn't much different from the 270x and is probably the better deal here?