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P965 Vs P35 chipset when overclocking with Q6600

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July 7, 2007 10:07:04 PM

Are there any performance difference with P965 vs P35 chipset and its south bridges. ? There's a known problem with P965 chipset there the memory bandwidth dips from 400mhz to 420mhz. Is there such problem with P35 chipset? Which chipset would be the best if you do not want to upgrade within a year and do not plan to use DDR3?
July 7, 2007 11:06:53 PM

Go with P35. As for the difference... well I wouldnt bother. From what I have heard it's a bit better.
It defenatly overclocks the quaddies better.
July 9, 2007 4:27:10 PM

P35 definitely
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July 9, 2007 10:03:41 PM

The P35 has only minor improvements over the P965. Basically, the memory controller on the NB slightly improves memory performance and the SB offers slightly better SATA performance than the respective controllers on the 965. This all equates to roughly a 2-5% performance gain over the 965 in normal usage. When it comes to overclocking a quad however, the P35 is hands down superior. Very, very few people were able to even get near 400fsb with a 965, and on the P35 they can come very close to 500fsb. Anandtech has a very good write up on the P35.

At the end of the day, if you aren't planning on overclocking, you really won't notice much of a difference. But the price difference is small and the P35 will support future CPU's whereas the 965 will not, so it's worth suggesting it on that alone.
July 10, 2007 1:33:34 AM

cb62fcni said:
Very, very few people were able to even get near 400fsb with a 965, and on the P35 they can come very close to 500fsb.


Are you kidding me, I know quite a few people that hit 400 EASY. I have two P5B's and I have taken them both past 500 FSB. I have to recommend the P35 as I here lots of good things about that board, plus is 45nm ready.
July 10, 2007 2:50:54 AM

systemlord said:
Are you kidding me, I know quite a few people that hit 400 EASY. I have two P5B's and I have taken them both past 500 FSB. I have to recommend the P35 as I here lots of good things about that board, plus is 45nm ready.



I meant with a quad. I have never heard of a quad going beyond 400FSB with P965, apparently due to limitations with FSB handling in the NB. Of course a regular dual core can push 500 on 965, there's no dispute there. You just took what I wrote out of context.
July 10, 2007 2:57:25 AM

i have a P5B and i love it. the P35 is'nt worth it IMO. 5% increase is nothing, even if your an enthusiast or an over clocker like me; just tighten your timings and your set. up grading every generation is pointless and a waist of money, wait till the P35 replacement comes out...then it will be worth your pretty penny. Oh, i'm running 425FSBx8, ive done 510x7 3570Mhz at 1.5v but 1785Mhz FSB compared to 1700 isn't much of a performance increase and not worth running at 1.5v, currently at 1.4v :D 
July 10, 2007 5:35:02 AM

[/quote]Are you kidding me, I know quite a few people that hit 400 EASY. I have two P5B's and I have taken them both past 500 FSB. I have to recommend the P35 as I here lots of good things about that board, plus is 45nm ready.[/quote] [forgot how to quote, getting use to the new interface]

It's hard for people with Air cooling to get the Q6600 to 3.6ghz (400mhz) so there's no use getting higher FSB with P35 chipset. Also people who buys quad core usually doesn't want to upgrade to 45nm 6 month later. They'll most likely use the quadcore for 2-3 years. By taht time, newer chipset will appear that have better performance than p35. Also 2-3 years later, we might evne use DDR4 instead of DDR2.
July 10, 2007 6:28:14 AM

jackluo923 said:
It's hard for people with Air cooling to get the Q6600 to 3.6ghz (400mhz) so there's no use getting higher FSB with P35 chipset. Also people who buys quad core usually doesn't want to upgrade to 45nm 6 month later. They'll most likely use the quadcore for 2-3 years. By taht time, newer chipset will appear that have better performance than p35. Also 2-3 years later, we might evne use DDR4 instead of DDR2.
The P35 gives a 25% free over clock with 1066 CPUs. Just by changing the FSB, no voltage increase needed.

http://www.anandtech.com/memory/showdoc.aspx?i=2989&p=1

Quote:
As stated in the review, almost every Core 2 Duo and Core 2 Quad we tried in the P35 ASUS P5K and P5K3 ran at 1333 FSB at the default multiplier and default voltage. The only processors that required any voltage increase were the top line Core 2 Extreme processors. This free 25% overclock, which still allows everything else in the system to run at default values, is exciting. It is so exciting we have to wonder how long Intel will allow this in the marketplace.
July 10, 2007 8:46:02 AM

Thanks, Zorg. With the new changes, I was scrambling to find that link. Page 4 is of particular interest to the discussion.

That 5% is distilled to the graphx, and still free is free of charge. You pay nada.

f61
July 10, 2007 9:17:08 AM

f61 said:
Thanks, Zorg. With the new changes, I was scrambling to find that link. Page 4 is of particular interest to the discussion.

That 5% is distilled to the graphx, and still free is free of charge. You pay nada.

f61

iPhone batteries soldered in place: it won't fall out if you drop it, but how much does it cost to swap it?
I have posted that link in no less than six threads. It's actually getting a little ridiculous. You would think that everyone has seen it by now, but I still see threads and wonder how they could have, so I post it again. It takes away the argument about the Q6600 being only 2.4G and the P35 has no value over the P965 and 680i (barring any pressing desire for SLI). The mild OC really has no impact for the hardcore overclockers, but you have got to love a trouble free bump from 2.4 to 3.0. I love the bit about the iphone in your sig. I wonder if and when that's going to bite apple in the rear.
July 10, 2007 11:07:16 AM

BigCharb said:
i have a P5B and i love it. the P35 is'nt worth it IMO. 5% increase is nothing, even if your an enthusiast or an over clocker like me; just tighten your timings and your set. up grading every generation is pointless and a waist of money, wait till the P35 replacement comes out...then it will be worth your pretty penny. Oh, i'm running 425FSBx8, ive done 510x7 3570Mhz at 1.5v but 1785Mhz FSB compared to 1700 isn't much of a performance increase and not worth running at 1.5v, currently at 1.4v :D 


If you already have a 965, than there aren't a lot of reasons to upgrade to P35 right away. Unless you're trying to overclock a quad or desperately want to be ready for Penryn. But if you're looking for a new motherboard, than why buy something that's last-generation? There's absolutely no reason. And I'd have to disagree that 5% is nothing, especially when it comes with so little additional cost.

Basically, if you have a 600 series or a 965, you're fine, there's no single major reason to go running to buy one of these bad boys. But if you're assembling a new build, especially with a quad, P35 is definately the way to go.
July 10, 2007 11:46:49 AM

The OP asked which is better for OCing a Q6600. The p35 is the best chip for that right now THAT IS A FACT. I don't see why this is so hard to understand???
July 31, 2007 12:52:49 AM

Well i have the Gigabyte 965P-DS3 rev 3.3, it supports the 1333mhz processors... i think i dont need a change rite now.. or im wrong??
July 31, 2007 1:08:32 AM

For a new rig there is absolutely zero reason to not get a P35 over a 965. If you already have a 965 though, I don't see much of a reason to upgrade to P35.
July 31, 2007 2:07:24 AM

hey jackluo, are you talking about the p5b vanilla or the delux?
!