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XFX 550W or CORSAIR TX550W

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User is offline   Yoshiro Numata 

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Posted Dec 27, 2012 - 5:34 PM

XFX 550W or CORSAIR TX550W specs: i5 3570k oced CFX 2x 7770 oced or i would need a higher watt psu ?
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User is offline   Tashigi 

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Posted Dec 27, 2012 - 6:07 PM

For OC you want to aim at 650W minimum (I'd recommend 700W personally).
550W is cool and works. I've OC with that much. But it leaves no room for error. You will have to be very, very cautious and you might not be able to SLI/XFIRE in the future because of the wattage limitation (Granted; this depends on how much juice your GPU(S) needs).
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User is offline   Fatal 

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Posted Dec 27, 2012 - 6:54 PM

If the corsair psu is the V2 version then they're pretty much the same. if you're ocing everything then, like the guy above said, minimum 650w psu.

A 7950 is a much better value for money than 2x 7770.

If you're hell-bent on running dual GPUs then get 2x 7970s and an 850W seasonic psu.
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User is offline   Yoshiro Numata 

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Posted Dec 28, 2012 - 4:51 AM

View Post回し蹴り ★, on Dec 27, 2012 - 6:07 PM, said:

For OC you want to aim at 650W minimum (I'd recommend 700W personally).
550W is cool and works. I've OC with that much. But it leaves no room for error. You will have to be very, very cautious and you might not be able to SLI/XFIRE in the future because of the wattage limitation (Granted; this depends on how much juice your GPU(S) needs).


at some research i did the 7770 oc edtion consumes 88W at full load so i assume a cfx setup would consume max 200 w?

View PostFatal, on Dec 27, 2012 - 6:54 PM, said:

If the corsair psu is the V2 version then they're pretty much the same. if you're ocing everything then, like the guy above said, minimum 650w psu.

A 7950 is a much better value for money than 2x 7770.

If you're hell-bent on running dual GPUs then get 2x 7970s and an 850W seasonic psu.

I Wanna get 2x 7770 coz i already have 1 installed on my current pc, so yeeah dont feel like throwing away the card , trying to save some money plus the 7770 seems to perform well on cfx
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User is offline   Fatal 

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Posted Dec 28, 2012 - 5:11 AM

Sell your 7770 instead of throwing it away.

not all games support dual gpu configurations, there's also more driver problems to deal with and a lot more heat to deal with. You also need a decent motherboard to avoid micro stutter.

An overclocked 7870 or stock 7950 will run every game available at high settings at 60fps. None of the compatibility issues, none of the driver problems and your pc won't be as loud as a jet engine during the summer months.

*cfx 7770s perform somewhere between the 7870 and 7950
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Posted Dec 28, 2012 - 8:51 PM

View PostYoshiro Numata, on Dec 28, 2012 - 4:51 AM, said:

at some research i did the 7770 oc edtion consumes 88W at full load so i assume a cfx setup would consume max 200 w?


power consumption doesnt rly work by just adding up, and you always want to give yourself headroom with psu. unless you're getting a platinum grade 90+ psu, get 200-300W higher than what you need
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