Computer Build Help
*nods* Yeah, I've been running with single card for my current build so I'm more familiar with them (Also because it's literally just plug it in.) Oh right! The power supply is a 850W. I'm not sure if, the "stronger" the card is, the more power I need. Since the build guide says 2X 780ti, I just wanna make sure 850W is enough for a single 980 or maybe duel 970. Definitely leaning towards the single 980 though.
The 980 is more powerful than the a 780Ti, however, what you're asking about is not entirely true because of the architecture change from Kepler to Maxwell. Maxwell is far more power efficient than Kepler was, and the easiest way to spitball power consumption is the pin requirements. 780Ti cards usually require two 8-pin power connectors, or one 6 and one 8 pin power connectors. A 980 will usually require one 6 and one 8 pin connector, with dual 8-pin being on cards that have beefier power designs for overclocking. If I remember, I've also seen a 980 with dual 6 pin. 850W is more than enough, and should give you some headroom for that future 980 when the system starts dipping below the performance you want.

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