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Will Bulldozer AM3+ support the same DDR3 memory as AM3?

post #1 of 74
Thread Starter 
Does anyone know how drastically AM3+ changes from AM3? I ask this because DDR3 prices are so insanely cheap right now I just feel like buying some for my soon to be Bulldozer build. But I have no idea if its going to be compatible.


Any thoughts?
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post #2 of 74
I think you have the wrong idea about DDR3

its standards aren't dictated by the processor but rather buy the designers of it.

In other words the specifications of DDR3 are it must be able to run at (1066MHZ?) @ 1.5v.

And until sandy bridge no processor was "designed" to run ram faster then 1333Mhz.

So you can recycle your DDR3 ram for AM3+
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post #3 of 74
I don't see why it wouldn't. Companies switched because it's more power efficient. Unless you mean them switching to DDR5, that sounds pretty unlikely.


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post #4 of 74
DDR4 Doesn't even "exist" yet.

they are still working on it its expected to be ready by 2012.. AKA 2013..
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post #5 of 74
I'd say wait. Memory is really the last thing you should think about upgrading to, it should be something you get along with a cpu and motherboard.
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post #6 of 74
Thread Starter 
Quote:
Originally Posted by Behemoth777 View Post
I'd say wait. Memory is really the last thing you should think about upgrading to, it should be something you get along with a cpu and motherboard.
Well right now its just so cheap that its the first thing on my mind. I already just bought a computer case for a good deal (Azza Hurrican 2000) and looking to see what else I can buy for good deals that is universal.

I just want to be sure DDR3 is universal and its not very selective for each motherboard.
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post #7 of 74
DDR3 is DDR3 is DDR3
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post #8 of 74
dont buy, it'll get cheaper
    
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post #9 of 74
Let me explain some things first

Socket 939 which is AM2 has a DDR2 IMC on the CPU. Those CPUs are compatible in both AM2 and AM2+ Socket Mobos and can utilize DDR2 on both Mobos.

Socket 941 which is AM3 has a DDR3 IMC on the CPU. Those CPUs are compatible in both AM2+ and AM3 Socket Mobos and can utilize only DDR2 on AM2+ Mobos and only DDR3 on AM3 Mobos.

Socket 939 which is also AM2+ has a DDR2 IMC on the CPU. Thos CPUs are compatible in only AM2+ Socket Mobos and can utilize only DDR2 on AM2+ Mobos

Now for Bulldozer:

If Bulldozer is a AM3+ Socket (How ever many pins, most likely 941) the CPU will feature a DDR3 IMC only. This CPU would be compatible with only AM3+ Mobos and can utilize only DDR3 on AM3+ Mobos.

However if you have a AM3 Socket 941 CPU, for example a Sempron, Athlon II, or a Phenom II, you can use this CPU in a AM3+ board with a BIOS update like you could with a AM2 in a AM2+ board with a BIOS update.

Now when AM4 Socket CPUs and Mobos come out... AM4 will be compatible with AM4 and backwards compatible with only AM3+. It will only use DDR3 on AM3+ and what ever type on AM4 if DDR4 or Static Memory Modules are released.

I hope with helps. ^_^ Enjoy the read
    
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post #10 of 74
Thread Starter 
Quote:
Originally Posted by paceee View Post
dont buy, it'll get cheaper
really? it's at about $10 a gigabyte now. how much cheaper will it get?
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