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Will my Athlon II x4 630 bottleneck the new AMD 7000? GPU.

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December 2, 2011 9:00:20 PM

How bad will my Athlon II x4 630 (OC'ed to 3.3mhz) bottleneck the new 7000 GPU's?

My system specs.

Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

RAM
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Video cards. I have 2 in Xfire.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

PSU
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

HD I have both the SATAII and SATAIII. Got the SATAIII for free after the other SATAII died. SATAIII main drive.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
a c 863 à CPUs
December 2, 2011 9:02:15 PM

Maybe the high end ones but not the mid range, then again the higher the resolution the less a bottleneck.
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December 3, 2011 1:30:27 AM

I run most games at 1920x1080. After that I play around with other settings so I don't lag.
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a c 863 à CPUs
December 3, 2011 1:32:50 AM

I can imaging your current GPU's being close to upper mid range/lower high range 7xxx card when released.
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a b à CPUs
December 3, 2011 1:34:27 AM

Considering Phenom II bottlenecks 5870 crossfire, I'd say you have a good chance of being bottlenecked with an overclocked Athlon II on HD7k.
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a c 332 à CPUs
December 3, 2011 1:53:20 AM

It all depends on what you consider a bottleneck. If the CPU holds back the GPU by 5-10% is that a game killer?
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December 3, 2011 1:57:32 AM

Raidur said:
Considering Phenom II bottlenecks 5870 crossfire, I'd say you have a good chance of being bottlenecked with an overclocked Athlon II on HD7k.

Depends on which phenom we're talking here. A half decent X4 like the 945 and up will certainly not cause any significant bottleneck. CF 5870's and a Phenom ll X4 is actually pretty well balanced for most games. Of course, some games will be worse than others.
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December 3, 2011 1:59:51 AM

Quote:
It all depends on what you consider a bottleneck. If the CPU holds back the GPU by 5-10% is that a game killer?




5-10% is not bad. I was more worried about if it would be like 20%.
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a c 332 à CPUs
December 3, 2011 2:09:43 AM

I would caution you about xfiring 2 HD 5770s, though. The micro stutter problem is reported to be bad with cards of that range. My 2 HD 6850s aren't imune to it either. I notice it in DE:HR...
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December 3, 2011 2:44:16 AM

I've been running 2 5770's for over a year now. BF3 runs fine at 1920x1080 with most things on high. I play more then just BF3. But atm that's the most demanding game I play. I upgraded for BD... But now I'm waiting for the 2nd gen to come out. Now that AMD has stop shooting for the stars aka head out of there a$$ they'll get back to making good mid to low level CPU's. But were not talking about that. I guess I could through in a low level BD fx or a Phenom x4 or x6 if I need to. I saw Tom's is going to look into the FX 4100 for it's next best gaming CPU of the month post. Any other thoughts you guys/girls have on my little old 630? :) 











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a c 332 à CPUs
December 3, 2011 2:55:13 AM

I'm glad to hear you're not noticing the micro stutter. This article describes it, if you want to check it out.
http://www.tomshardware.co.uk/radeon-geforce-stutter-cr...

Like you, I don't seem to notice it either... except for that one game. And I too game at 1920x1080. But back to your question... keep the Athlon II and try it out when you go to the new card(s). Btw, that's the same board I have. Did you have any problem latching your stock HSF to the retention bracket?
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December 3, 2011 3:24:50 PM

Yes I did have a problem latching on the heatsink. I'm using the heatsink off my old Athlon x2 6000+. Copper bottom and copper heat pipes. It still works great, even have the same fan on it. But trying to lock it down was a pain in the a$$. But this heatsink is way better then the one that came with the 630. That was just a piece of aluminum with no fan. The MSI 790XT board I had before this one gave me a problem with the heatsink as well.
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a b à CPUs
December 4, 2011 12:45:52 AM

gmaster456 said:
Depends on which phenom we're talking here. A half decent X4 like the 945 and up will certainly not cause any significant bottleneck. CF 5870's and a Phenom ll X4 is actually pretty well balanced for most games. Of course, some games will be worse than others.


3.8ghz lacking 20% on a decently GPU bound game with GPU bound settings turned on (very high, 1920x1200, and 4xAA) IMO is a significant bottleneck.



http://alienbabeltech.com/main/core-i7-vs-phenom-ii-x2-...
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a c 332 à CPUs
December 4, 2011 1:09:53 AM

Raidur said:
3.8ghz lacking 20% on a decently GPU bound game with GPU bound settings turned on (very high, 1920x1200, and 4xAA) IMO is a significant bottleneck.

http://alienbabeltech.com/main/wp-content/uploads/2010/11/Crysis-19FIX.jpg

http://alienbabeltech.com/main/core-i7-vs-phenom-ii-x2-...

20%? Wow. I didn't realize it was that high. The review I read awhile back was with lesser cards and different games, showed the loss was much less. I wonder if that percentage would be valid in my case with my 2 6850s?
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a b à CPUs
December 4, 2011 2:02:20 AM

Considering the 6k series has substantially better scaling I'd say you'd be close.

Either way I'm sure you're still getting stellar performance.

Is your CPU @ stock?
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a c 332 à CPUs
December 4, 2011 2:07:39 AM

Raidur said:
Considering the 6k series has substantially better scaling I'd say you'd be close.

Either way I'm sure you're still getting stellar performance.

Is your CPU @ stock?

Yes, 980 @ 3.7GHZ
2 HD 6850s @ x16 x16
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a b à CPUs
December 4, 2011 6:04:52 PM

gmaster456 said:
I said most games, Of course there will be exceptions. There is no denying that.


Most games are mostly GPU bound

It is the VERY GPU bound games that will be the "sometimes" exception. Or the few games that love AMD CPUs over Intel's.

About 12 out of 20 show benefit for Intel when you compare 5870 to 5870 CF. I did not include CPU (about 4) bound games (which still showed benefit for Intel), the 1 AMD loving game, and the few games that showed now difference between the CPUs (IE, VERY GPU bound).

In other words, 12 of the games scream bottlenecking. ~16 if you include CPU-bound games.
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December 6, 2011 12:49:49 AM

Thinks for all the input guys. I'm going to close the tread. :) 
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December 6, 2011 12:50:25 AM

Best answer selected by saint7269.
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