Don't give any huge gain for gamers in the new 2080. The good news is that as Bitcoin fades the 1080 prices have fallen. I can't guess what you will use your GPU for but the majority are gamers so the 1080 gets the nod most of the time.
Gtx 1080 470 dolar price performance high
But new technology Rtx 2080 840 dolar
Which one should be taken?

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