I don't mind spending extra money but, benchmarks say the 290 and 290X overclock to the same performance. The Tri X is supposed to be the best overclocking cooler? Should I get some of these cheaper options? I'm not gonna get a 780Ti as I'm 1440p gaming and using Sony vegas.
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http://uk.pcpartpicker.com/part/powercolor-video-card-axr92904gbd5ppdhe
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http://uk.pcpartpicker.com/part/gigabyte-video-card-gvr929oc4gd
Here's the Sapphire card:
http://uk.pcpartpicker.com/part/sapphire-video-card-112270050g