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Upgrade path questions...do I need to upgrade my PSU?

post #1 of 12
Thread Starter 
I'm upgrading my sig rig and I've narrowed it down to two options. If the AMD setup will run on my current PSU I'll probably go with that. If I would need a new PSU for the Intel setup as well I'd go with AMD still. But if I can use my current PSU with the Intel setup i'd probably go that route. So I'm basically asking will I need a new PSU with either of the two options? I've researched and the power consumption difference when both overclocked are substantial. Considering I was running my 1055T overclocked without any issues I'm thinking the Intel setup should run fine as well. Thanks for the help.

TA990FXE and an 8320 for $235
Z77 Fatal1ty Professional and 3570K for $300
post #2 of 12
do you have the Corsair hx 650w psu? if so, you don't need to.

Go intel! thumb.gif
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post #3 of 12
Thread Starter 
Quote:
Originally Posted by CSCoder4ever View Post

do you have the Corsair hx 650w psu? if so, you don't need to.
Go intel! thumb.gif

Yes I have the HX650. Thanks. But if I were to go AMD would I need a new PSU?
post #4 of 12
Quote:
Originally Posted by rquinn19 View Post

Yes I have the HX650. Thanks. But if I were to go AMD would I need a new PSU?

No, I don't believe you would.

Piledriver is fairly efficient compared to the previous gen from what I know.
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[AOC] i2367f 23" IPS [Dell] e2311h [Qisan] White Magicforce 68 w/ MX greens [Cougar] CMX 1000 
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post #5 of 12
you should def be good...i had my system running on a corsair hx620 for a few years and the psu put up really well with all the upgrades i did. you have a good psu so i wouldnt worry....

Alejandro.
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post #6 of 12
Thread Starter 
This is the best direct comparison I could find.

http://www.bit-tech.net/hardware/2012/11/06/amd-fx-8350-review/7

That shows nearly 100 watt difference
post #7 of 12
A good 650w unit (which the Corsair HX650 is) will power any single GPU single CPU setup, even if they're overclocked to the max.
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post #8 of 12
Thread Starter 
Quote:
Originally Posted by Tsumi View Post

A good 650w unit (which the Corsair HX650 is) will power any single GPU single CPU setup, even if they're overclocked to the max.

I've got two 6950s though
post #9 of 12
Quote:
Originally Posted by rquinn19 View Post

I've got two 6950s though

You should've said this on your first post.

Get a 750w or 850w for good measure.
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[Zalman] clip mic [Keycool] KC21 keypad w/ Gateron greens [Orico] USB 3.0 HDD dock bay [Orico] 7-port powered USB 3.0 Hub 
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post #10 of 12
Quote:
Originally Posted by rquinn19 View Post

I've got two 6950s though

You should be fine with the 650 Corsair. When I was running two OC'd 4890 and my current 920 @ 4.0GHz I was topping out at around 660-670W. That's with a water pump and the super power hungry 1366 CPU. I doubt either of thous setups would be as power hungry.

I would at least try and run with the 650. If it turns out to be to hot/noisy for your liking then perhaps upgrade.
    
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Overclock.net › Forums › Components › Power Supplies › Upgrade path questions...do I need to upgrade my PSU?