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Nvidia 3080 extra power consumption, real world cost?

Associate
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28 May 2007
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Well, the going rate per kWh is around 15p/unit these days (bit more bit less). Using a kilowatt for an hour will cost 15p. So if a new card uses an extra 100 watts, that's 0.1kWh per hour when gaming.
So if you game for 10 hours a week, and 52 weeks a year, that'd be 0.1kW x 10hrs x 52w x £0.16 = £8.32
 
Associate
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28 May 2007
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You can sometimes get it even less if you use a lot of power by going for a low kWh price but higher standing order charge.
Well yep, I'm on Octopus' Agile tariff so the rate changes every half hour! But by avoiding the 4-7pm peak it's working out cheaper.
But that's by the by, in the same way people might not game for 10 hours a week, or might take some weeks off - it's just showing how to substitute in whatever values are appropriate for each individual.
 
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OP
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Well, the going rate per kWh is around 15p/unit these days (bit more bit less). Using a kilowatt for an hour will cost 15p. So if a new card uses an extra 100 watts, that's 0.1kWh per hour when gaming.
So if you game for 10 hours a week, and 52 weeks a year, that'd be 0.1kW x 10hrs x 52w x £0.16 = £8.32

So for a heavy user (5 hours a day) you could be looking at 30 quid a year extra electricity (though maybe saving a little on heating costs, heh).

If you're paying 800 for a 3080, which looks likely atm, and another 100 for a good quality PSU (if you don't have one) and a few years (the usual warranty) of an extra thirty quid in bills...

You're getting close to a grand and not that much of a better deal than a 2080ti? Unless you can secure one of these for 650 and have a decent system already, this launch just looks worse and worse.
 
Associate
Joined
28 May 2007
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Well yep you'd offset any heating costs, because all that energy wil largely become heat. So if your system is drawing 450 watts then that's about 1/4 of a fan heater worth of heat. So that'll be why the room warms up somewhat when gaming!
 
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