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XFX 5770, or XFX 6870?? - Page 3

post #21 of 27
5770=6990. Easily so.

Kidding.
post #22 of 27
Thread Starter 

okay, then I plan on buying corsair professional series 850 watt PSU (

). Then I will install xFire 6870s. Thanks for the recommendations.
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post #23 of 27
Quote:
Originally Posted by jetboy623 View Post
okay, then I plan on buying corsair professional series 850 watt PSU (Amazon.com: Corsair CMPSU-850HX 850-Watt HX Professional Series 80 Plus Certified Power Supply: Electronics). Then I will install xFire 6870s. Thanks for the recommendations.
Why???

Your rig with Crossfire 6870's would run fine off a 550w PSU. There's no reason to blow more money than you need to on a PSU. If you plan on a CPU upgrade anytime soon (you'll need it coming from that Athlon quad), then a good 650w would be overkill.

EDIT:
Wait a minute, your board won't do crossfire anyway.
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post #24 of 27
Quote:
Originally Posted by mcc21 View Post
I owned one 6870 at first. You can play bf2 all maxed out to every setting, BUT when the frags, grenades, rpgs, and more ppl show on the screen than the game starts lagging/choppy. I think turning down a couple settings will solve that problem.

Once I CF 6870 all the problems are gone. The only game i can't play at max is Metro 2033 ... go figure its the craziest demanding game out there =(
What resolution and AA settings? HBAO? I don't have a problem with my single 6870 in BC2 with 4xAA@1600x1200 or 1920x1440 with 2xAA, though I disable HBAO.
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post #25 of 27
Thread Starter 
Quote:
Originally Posted by pioneerisloud View Post
Why???

Your rig with Crossfire 6870's would run fine off a 550w PSU. There's no reason to blow more money than you need to on a PSU. If you plan on a CPU upgrade anytime soon (you'll need it coming from that Athlon quad), then a good 650w would be overkill.

EDIT:
Wait a minute, your board won't do crossfire anyway.
The 600 watt PSU I have is made by diablotek, (which is according to overclock.net "experts", bad quality and bound to go boom when I start gettinginto xfire). I am planning on doing a huge upgrade with my whole computer in about a month. I'm getting an ASUS M4A79XTD EVO board, with corsair vengeance 8GB 1600Mhz RAM, and an AMD Phenom X4 (quad core) unlocked multiplier, 955 processor. Trust me, that'll run xfire like a charm Thanks for the recommendation though!
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post #26 of 27
Quote:
Originally Posted by jetboy623 View Post
The 600 watt PSU I have is made by diablotek, (which is according to overclock.net "experts", bad quality and bound to go boom when I start gettinginto xfire). I am planning on doing a huge upgrade with my whole computer in about a month. I'm getting an ASUS M4A79XTD EVO board, with corsair vengeance 8GB 1600Mhz RAM, and an AMD Phenom X4 (quad core) unlocked multiplier, 955 processor. Trust me, that'll run xfire like a charm Thanks for the recommendation though!
And again, that setup with crossfire 6870's will run fine off a quality 550w PSU. There's no need for an 850w PSU unless you're running GTX 580 SLI on a Socket 1366 i7 @ 4.0GHz or higher.

Your Diablotek PSU is bad quality. Look up any good review on it. I'm talking like an Antec, Corsair, Seasonic, XFX, or similar 550w.
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Junkyard
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Crucial MX100 256GB WD Green 2TB DVDRW Corsair H50 Push / Pull 
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NZXT 120mm fans strapped to stock 7970 cooler Windows 10 Pro Dell 3007WFP Dell 2007FP 
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post #27 of 27
wow,....that's comparison is between david and goliath,anyway..

HD 6870 is far better than HD 5770,dude..

you can't compare them,...

although,as far as i know,....HD 4890 is more powerfull than HD 5770
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