Might as well just get a new GPU. No point in having huge power consumption while also lacking features of the newer cards.
Depends on your budget at that point. Eurogamer posted a good article on the best GPUs for the money: http://www.eurogamer.net/articles/digitalfoundry-2015-graphics-card-upgrade-guide
"Never argue with stupid people. They will drag you down to their level and then beat you with experience."
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