Vega 56 worth it over the 1070Ti?

Flame1

Honorable
Aug 8, 2017
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So about 2 months ago I bought the GTX 1070Ti but soon after I saw videos about Freesync and Gsync and comments from people saying that it improves the gameplay experience 'a lot'. I have a freesync monitor and my question is: Is it worth it to change from 1070Ti to a Vega 56 just for the Freesync?

I bought the 1070Ti for £520
The cheapest Vega 56 that I have found costs £499.