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I7 3820 - Is It Enough For R9 290 Crossfire?

post #1 of 13
Thread Starter 
Hey all, I just picked up a second R9 290 (lightly used) for $280 from a friend and I just wanted to know if my current CPU will be able to handle all of the GPU power associated with crossfire? I mean, I know my trusty 3820 is getting up there in years, but it has served me so well all this time!

I am hoping to upgrade to x99 whenever that arrives but anyways; I run my 3820 at 4.3Ghz 24/7 so do you think it will be alright or should I crank it up some more when the second R9 290 arrives? I can do 4.7Ghz on it stable but I set it back down to 4.3Ghz just to lengthen its' life. Thanks in advance everyone! biggrin.gif
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post #2 of 13
I believe it might be enough, don't take my opinion though unless other people agree with it. that's a lot of graphical power you'll have. biggrin.gif
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post #3 of 13
Thread Starter 
Quote:
Originally Posted by JunkoXan View Post

I believe it might be enough, don't take my opinion though unless other people agree with it. that's a lot of graphical power you'll have. biggrin.gif
I'm pretty excited about it! Although I foolishly bought my first 290 back in December for $480 at the height of the mining craze (facepalm) and even though it is impressive that they dropped $200 in price in just 4 short months I still wish the mining craze never happened.
offtopic.gif

Regardless, I am anxious to see what FPS I can turn out with TWO of these monsters in my system. Good to hear that you think my 3820 will be enough though!
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post #4 of 13
Quote:
Originally Posted by Insan1tyOne View Post

Quote:
Originally Posted by JunkoXan View Post

I believe it might be enough, don't take my opinion though unless other people agree with it. that's a lot of graphical power you'll have. biggrin.gif
I'm pretty excited about it! Although I foolishly bought my first 290 back in December for $480 at the height of the mining craze (facepalm) and even though it is impressive that they dropped $200 in price in just 4 short months I still wish the mining craze never happened.
offtopic.gif

Regardless, I am anxious to see what FPS I can turn out with TWO of these monsters in my system. Good to hear that you think my 3820 will be enough though!

foolishly or not, you're cashing in on a second which would have cost you more if it was still going on. depends on the resolution you have going on, I know at 1080P they don't shine, but as you keep getting higher and higher in res they start shining brighter and brighter. biggrin.gif
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post #5 of 13
I ran three 780's off a 3820. No issues. Very little differnce in games from that to my 4930K. Then I overclocked it. I did run my 3820 at 4.6Ghz for 24/7 and gaming. Peaked at 5Ghz. Or 4.9999999999Ghz according to CPUz. lol My 4930K at 4.6 Ghz seems about the same. Benches higher but games are about the same.
 
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post #6 of 13
as a 3820 owner i say it will be enough, make sure you got the PSU to handle that sort of power
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post #7 of 13
Thread Starter 
Quote:
Originally Posted by JunkoXan View Post

foolishly or not, you're cashing in on a second which would have cost you more if it was still going on. depends on the resolution you have going on, I know at 1080P they don't shine, but as you keep getting higher and higher in res they start shining brighter and brighter. biggrin.gif
I have a 23" 1080p monitor right now but hopefully I'll be going 1440p or 1600p this summer.
Quote:
Originally Posted by Prophet4NO1 View Post

I ran three 780's off a 3820. No issues. Very little differnce in games from that to my 4930K. Then I overclocked it. I did run my 3820 at 4.6Ghz for 24/7 and gaming. Peaked at 5Ghz. Or 4.9999999999Ghz according to CPUz. lol My 4930K at 4.6 Ghz seems about the same. Benches higher but games are about the same.
Quote:
Originally Posted by Maximization View Post

as a 3820 owner i say it will be enough, make sure you got the PSU to handle that sort of power

Glad to hear that you guys think that my 3820 can handle it! And don't worry my PSU could handle tri-fire if I had the space for it!
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post #8 of 13
Two 290's are so far beyond overkill for 1080p. lol Oh well, I was running SLI 570's and then 680's before I had my surround setup. lol
 
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post #9 of 13
you are good to go. honestly you should be able to get to 4.6ghz easily with the H100i
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post #10 of 13
Thread Starter 
Quote:
Originally Posted by Prophet4NO1 View Post

Two 290's are so far beyond overkill for 1080p. lol Oh well, I was running SLI 570's and then 680's before I had my surround setup. lol
I mean, they arent really overkill with heavily modded games and things like super-sampling and AA/Filtering. But I get what you mean.

Like I said I am looking to upgrade displays soon though.
Quote:
Originally Posted by mtbiker033 View Post

you are good to go. honestly you should be able to get to 4.6ghz easily with the H100i
Yeah I can pull 4.7Ghz pretty easily. I might crank it up when the second 290 arrives just because though!
Edited by Insan1tyOne - 4/22/14 at 7:09pm
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