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775 with P5Q or P5P43TD

post #1 of 7
Thread Starter 
Ok guys here is my dilemma.

I have my current system running a Q6650 on a P5Q with 8GB of DDR2

I received a P5P43TD from a friend and have a 4GB dim of DDR3 available for it. Now I am willing to buy more DDR3 but I really want to know if its worth it.

I know my bottle neck is usually my ram but I've never seen anyone run a 775 with DDR3. What's your take on it?

Opinions and experience is welcome.

Thanks
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Blue Beast
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post #2 of 7
depends on what you use the computer for? Games 4GB is enough.
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post #3 of 7
Don't bother, that board is junk in comparison to P5Q.

http://hardforum.com/showpost.php?p=...64&postcount=6

Low binned chipset, weak VRM and so on. The P5Q is a great board and there's a miniscule difference between DDR2 and 3 on S775.

If you want to upgrade, a newer GPU would suffice well.

http://www.hardwarecanucks.com/chart...id=60,69&tid=3
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post #4 of 7
Quote:
Originally Posted by Dustin.Lafleur View Post
Ok guys here is my dilemma.

I have my current system running a Q6650 on a P5Q with 8GB of DDR2

I received a P5P43TD from a friend and have a 4GB dim of DDR3 available for it. Now I am willing to buy more DDR3 but I really want to know if its worth it.

I know my bottle neck is usually my ram but I've never seen anyone run a 775 with DDR3. What's your take on it?

Opinions and experience is welcome.

Thanks
I have P5QC motherboard that supports both DDR2 abd DDR3 memory..

If you expect any performance increase then NOOO!! There's no increase whatsoever!!

Trust me I know as I have recently upgraded to 8GB 1600MHz DDR3 CL9..

I run it at 1224MHz 7-7-7-20, PL=11 and I have slightly better memory bandwidth (~ 500MB/s faster) than I had with DDR2 @ 920MHz, 5-5-5-15, PL=10.

DDR3 1376MHz, CL8:






DDR2 918MHz, CL5







So my answer is NO.

And P5Q (P45 chipset) OC's way better than P5P43TD (P43 chipset)!!!

On P5P43TD you have 4Phase VRM, very limited OC options in bios like Vcore (only three +0.05, +0.10 and +0.15V), vNB 0nly (1.1V, 1.2V, 1,25V) etc.


CHEERS..


Edited by KingT - 11/1/11 at 7:00am
     
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post #5 of 7
I have the basic P5Q as well, and was at some point contemplating a switch to a DDR3 mobo but only the AMD ones are at a sensible enough price to be worth it. RAM performance on our boards pretty much comes down to getting the highest stable FSB then tweaking the RAM until it gives up better numbers

DDR2 can run as well as DDR3, but it's tougher to get stable results with four sticks.

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post #6 of 7
Thread Starter 
You guys are fantastic thank you for the opinions. I think I'll stay with my P5Q plus it's nice to have the wider range of overclocking abilities. I've got my 6650 up to 4ghz but only as a poc I run standard at 3.2.

Thanks again always nice to get another point of view.
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post #7 of 7
Thread Starter 
Sorry 9650 not 6650
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