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Is the 6770 Efficient Enough to Run Easily on 460w?

Last response: in Graphics & Displays
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December 2, 2011 12:57:21 PM

So, the Radeon 6770 needs at least 450w.
I have 460w so I'll be able to use it, but preferably anyone would like to have at least 500w to run it comfortably.
Unfortunately I can't buy the card and a 500w power supply at the same time. Could I get by pretty easily using this card on 460w for a few months without upgrading my power supply?
a b U Graphics card
December 2, 2011 1:08:08 PM

yes, it is enough to run the 6770 easily but do not overlock it until you get the newer psu..
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a c 80 U Graphics card
a b ) Power supply
December 2, 2011 1:17:11 PM

which model psu do you have?
the important factor is the amperage on your psu's +12v rail(s). how many amps do you have on the +12v rail of your psu?
normally, one should be able to run a 6770 off a 460w psu. but the psu should be able to provide the current.
btw 6770 is quite efficient.
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December 2, 2011 2:41:46 PM

don't worry, even you overclock it, you will be perfectly fine with 460W (considering that yours is a good PSU, not the cheap one). I run core i5-2500K OC to 4GHz, HD5850 OC to 850/1050MHz, and my whole system only eats 320 Watt max (while running Prime95 and Furmark at the same time).
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a c 194 U Graphics card
a b ) Power supply
December 2, 2011 4:37:51 PM

http://www.tomshardware.com/reviews/phenom-ii-overclock...

Tom's 500 SBM OC 955+6870 and was only getting 317w off the socket, running on a 430w psu. But it's a good quality psu and has sufficient amps on the 12v rails which is the most important part. What psu do you have?
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a c 153 U Graphics card
a b ) Power supply
December 2, 2011 4:39:22 PM

As long as if its a quality PSU you have more then enough, then again that's only if its quality....
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December 3, 2011 12:18:49 AM

I'm not actually sure what PSU I have. I've checked but nearly everything on the PSU is in Chinese.
There's a few short series of numbers but I'm not sure what I should be looking for here.
The make is Acbel.
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December 6, 2011 8:47:52 AM

Acbel usually make a quite good PSU. Even some of the gigabyte and cooler master PSU are Acbel's. I think you will be fine with your PSU. Don't need to change it.
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a c 194 U Graphics card
a b ) Power supply
December 6, 2011 4:14:26 PM

I'd disagree, in general acbels are just ok. They are cheap low end psus but don't blow up like the other cheapos.

Does it look like this:
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a b U Graphics card
December 6, 2011 4:46:30 PM

As long as it's a decent power supply, and you don't have dozens of hard drives, dvd drives, case fans, and other items drawing power. My Phenom II 965 @ 3.8Ghz, 8Gb ram, 1 DVD drive, 1 HDD, Radeon 5770 only draws 215W, I run it on an Antec Earthwatts 380W PSU.
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