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Old 02-15-2010, 06:03 AM   #1
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Default AMD question

How does an AM3 CPU perform in a AM2+ socket? I would think it wouldn't perform as well as it would on an AM3 socket motherboard, but how big are the differences in performance for gaming?
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Old 02-15-2010, 11:09 AM   #2
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Default Re: AMD question

iv been wandering this to....
because my bored can support am AM3, just dont know if id be hurting, more then improving.

http://www.newegg.com/Product/Produc...82E16813131362
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Old 02-15-2010, 12:07 PM   #3
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Default Re: AMD question

AM2+ processors have built in DDR2 memory controllers.

AM3 processors have memory controllers that will support DDR2 & DDR3.

I guess the only thing with using an AM3 CPU with an AM2+ motherboard means you cannot utilise the full bandwidth potential of the DDR3 memory controller.

A bit like running two memory sticks in my rig instead of three?
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Old 02-15-2010, 12:37 PM   #4
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Default Re: AMD question

so, since im already only running DDR2...

it wouldnt really matter with the mem controllers with an AM3 proc, because i dont use DDR3, so it wouldnt hurt to use a AM3 proc in my mobo?
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Old 02-15-2010, 12:49 PM   #5
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Default Re: AMD question

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Originally Posted by sniperviper21 View Post
so, since im already only running DDR2...

it wouldnt really matter with the mem controllers with an AM3 proc, because i dont use DDR3, so it wouldnt hurt to use a AM3 proc in my mobo?
As long as you don't exceed the power rating of the motherboard your good to go.

What mobo you running? EDIT: my bad.
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Old 02-15-2010, 12:54 PM   #6
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Default Re: AMD question

He posted his link on the first post, and looks like it's on his sig too.

I was thinking of going back to AMD and the X2 4800+ until I get some extra money for a AM3 quad, then an AM3 socket and DDR3 later. But then when I think about it, it seems like a huge setback to my E7200.
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Old 02-15-2010, 04:11 PM   #7
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Default Re: AMD question

The only real difference you will notice is the faster clocks on DDR3.

Basically its something like 1066MHz vs. 1600.

Not a huge difference, though it depends on your RAM.
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Old 02-16-2010, 01:15 AM   #8
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Default Re: AMD question

dumb question...

but arnt all AM3 Procs 140W and less?
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Old 02-16-2010, 01:47 AM   #9
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Default Re: AMD question

Yes 140w is the highest, which is the 965.
they also have a 125w version.

They suck up a load of power when overvolting though.
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Old 02-16-2010, 03:30 AM   #10
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Yes 140w is the highest, which is the 965.
they also have a 125w version.

They suck up a load of power when overvolting though.
idk if its just me...
but i think the 965 is just a AM3 AMD overclocked 940...
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