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Intel 975X chipset VS Intel 955X chipset

post #1 of 12
Thread Starter 
As the title goes, Intel 975X chipset VS Intel 955X chipset, what is the difference between these two chipsets? I honestly am not sure what is the difference is. I have been trying to research about these two chipsets and I not sure what the difference is. I mostly have been searching around on the ASUS website, because I won't buy anything other then ASUS boards (you don't mess with something that works), but ASUS only really mentions on how great both are, but can some of you please shed some more light on what the real difference is between these chipsets and if the price the for the 975x is worth it over the 955x?
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post #2 of 12
Basically the 975X runs at 8x8 and the 955X at 16x4 which in that case the 975X will outperform the 955X in CrossFire set-ups.

Both have the exact same ICH7-R South-Bridge.

Some say that the 975X is not as good as the 955X for overclocking and it's been rummored that the 975X will support Conroe but till I don't see it with my own eyes I can't say that the 975X (P5WD2-E Preium) it's a worthy MoBo.
post #3 of 12
Thread Starter 
From what I read the 955x is pretty much a 975x. I read that the 955x orginally only supported only DDR2-667 and only supports one video card, but its my understanding that ASUS factory modded the chipset to support native DDR2-800 and dual graphics cards. The only difference I can see is that, with ASUS motherboards, is that the 975x supports ATI's Crossfire while the 955x doesn't.

And since I am not going to run Crossfires, I think so far the 955x is a better buy.
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post #4 of 12
As Nasgul has said, the 975x may support the Conroe when it is released. IMO, that would make it the better buy since it will be ready for a new generation of CPUs.
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post #5 of 12
975x overclocks BETTER than 955x, especially when we're talking the Asus P5WD2-E Premium and when its paired with a Cedar Mill or Presler CPU. The P5WD2-E has been known to make it to 400MHz FSB+ With the stock passive cooling solution, pair that with the outrageous overclockability of the Cedar Mill/Presler CPUs and you have a real winner on your hands, my P5WD2-E/Pentium D 930 Presler combo has booted at 4.5GHz but temps are unsafe with my Big Typhoon. I am planning on getting water cooling but it isn't exactly #1 on my list, Pauldovi has the P5WD2 (955x) I believe and his 920 Presler is at 4.7GHz with water! Thats just nuts lol.
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post #6 of 12
I love my i955X chipset, but for all intensive purposes, the i975X is supposedly better for overclocking and it enables CrossFire. The i975X supports more types of CPU's than the i955X. I think currently the i955X is better; however, the i975X is the future.
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post #7 of 12
Thread Starter 
Well I currently have the 945P chipset(ASUS P5LD2) which I think its limiting my overclocking and so I think an 955x would no doubt improve my speeds and add stability. But the challenge is picking whether to go with the 955x or 975x chipsets. Because clearly all Intel says regarding the difference is that the 975x supports dual graphics card, but so does the 955x through ASUS. So other then Crossfire support (which means nothing to me and I only use one graphics card) I think both of these chipsets are excatly the same. But when I am pushing past the 4.0ghz speeds, will a 955x hold up just as well as an 975x?
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post #8 of 12
The 975X is nothing but a revised 955X, would the P5DWD2-E Premium overclock better than the P5WD2-Premium? I don't think so. Both boards have the same lay-out and caps so no such thing as the 975X is better for overclocking than the 955X, IMO.

I'd say that if you're upgrading from a 945P than give the 975X a shot, just in case the ball is dropped and it's finally release that the P5WD2-E Premium will support Conroe.
post #9 of 12
Thread Starter 
Well I don't think going for the 975x because of the Conroe is a good idea. The 975x will only support the slower front side bus models and Intel is only going to realese there new chipset here soon (probably next month) and then the 975x wouldn't be worth it, and I'm not sure if I would want to go Conroe right away anyway, its probably going to be very expensive.
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post #10 of 12
Quote:
Originally Posted by CanisSilvermoon
Well I don't think going for the 975x because of the Conroe is a good idea. The 975x will only support the slower front side bus models and Intel is only going to realese there new chipset here soon (probably next month) and then the 975x wouldn't be worth it, and I'm not sure if I would want to go Conroe right away anyway, its probably going to be very expensive.
Just because it is suppose to only support a max FSP of 1066Mhz, that really is insigificant! I am running a 1360Mhz FSB on a chipset that only run 1066...

I have a P5WD2-E Premium and my 920 (2.8Ghz) runs at 4.76Ghz and boots at 4.9Ghz. The 975X supports up to 8GB of RAM while the 955X only supports up to 4GB. The 975X allows for dual-channel when you are using different size and speed memory, without losing the size or speed, the 955X doesn't. Go the extra $40 and get yourself the P5WD2-E Premium, I have never seen a better motherboard. People have Cedar Mills running at 5+Ghz on these!

Also, the new chipset (965P) is not designed for a performance system. It is a media center chipset. The "performance" chipset will be the 985X.
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