GTX 780ti vs non ti version

Syndicution

Reputable
Jun 6, 2014
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What is he difference? The non ti version costs 660$ and the ti version costs around 1000$ where I live so its a big difference in price but what about in performance?

And should I get the EVGA GTX 780ti SC or the Sapphire Radeon R9 290 Vapor X?