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Mini ITX mobo for extreme OC ok? - Page 2

post #11 of 18
Quote:
Originally Posted by m1tch View Post
Celeron Ds clock to 8.2ghz

http://valid.canardpc.com/records.php
yeah ok, but youll have to use LN2. and a pot, so no, no point really. i say just get a 1155 and cpu.. or something newer x)
    
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post #12 of 18
Quote:
Originally Posted by m1tch View Post
Ah, so Intel have caught up clock for clock, but still cost waaaay more and have locked multipliers lol
Intel has been faster for years now...since 2006...not to mention their K series processors have unlocked multipliers.

But even before the K series, intel has been quite good at overclocking for a while now. Not to mention they run cooler and use less power than the AMD varients.

AMD might be competitive if you are just comparing price though.
post #13 of 18
Quote:
Originally Posted by m1tch View Post
Ah, so Intel have caught up clock for clock, but still cost waaaay more and have locked multipliers lol
Intel offers some CPUs with unlocked multipliers, just like AMD does. Here are their more recent ones that are newer than the socket 775 platform.

Core i7 965
Core i7 975
Core i7 980X
Core i7 990X
Core i7 875K
Core i7 2600K
Core i5 655K
Core i5 2500K

You are right in that some of these are pretty expensive (the 900 series were all around $1000 when they came out) but Intel does offer lower cost chips with unlocked multipliers. It also depends on where you buy them. For instance, Micro Center sold the 655K for around $150, and the 2500K for $180.

Now think about this for a moment. Unless you use software that sees a huge benefit from having more than four CPU cores, at this time there is no AMD processor that is a better performer or overclocker than the $180 Core i5 2500K.

I like AMD, and have fond memories of overclocking all kinds of AMD CPUs dating back to the 486 processors all the way through the dozens of socket 939 CPUs that I owned, and even to some early socket AM2 stuff. However, unless you can't afford a $180 processor, they are NOT the best performance value right now. Sure, if you want a $100 quad core, they're the only option (except when Micro Center was closing out the Q8xxx series socket 775 quads). However, anyone who wants performance and big overclocks can't overlook the latest 2500K/2600K processors.
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post #14 of 18
Thread Starter 
Thanks for your input guys, I didn't know that Intel had finally starting unlocking their CPUs, I don't really want to FSB overclock everything a somtimes my RAM isn't up to spec to keep up with the better processor which is why I like how easily the AMD chips can be overclocked due to just tweeking the CPU multiplier.

I will have a look at some of the newer Intel CPUs and see what I want to go with
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post #15 of 18
Quote:
Originally Posted by m1tch View Post
why I like how easily the AMD chips can be overclocked due to just tweeking the CPU multiplier.

I will have a look at some of the newer Intel CPUs and see what I want to go with
Yeah, AMD is the same way with only certain processors (Black Edition ones) with unlocked multipliers.

For Intel, just make sure you choose the ones on my list if you want unlocked multipliers. I'll list the best values, with the reasons why. But the first thing is if you live near a Micro Center, they are the cheapest source of these, if they have them in stock.

Core i5 655K
Socket 1156 so availability might be hit or miss. This is a dual core (with HyperThreading) so it is probably easiest to clock really high, plus it is the cheapest.

Core i7 2600K
Latest socket 1155 Sandy Bridge quad core with HyperThreading. This is as high performance as money can buy right now.

Core i5 2500K
Like 2600K but without HyperThreading. This is a true quad core for around $225 ($180 at Micro Center) with an unlocked multiplier. Very good value, since once overclocked it can outperform anything on the market except for the 2600K.
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post #16 of 18
If you do use a Gigabyte H55 make sure to add some cooling to the mosfets on both sides of the board like I did below:





I added the cooling to my H55 to make sure my i5 750 Quad will have some overclocking headroom when the need arises.
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post #17 of 18
LOL, overkill much? Would almost be easier to use spacers on the rear 'fets and then use thermal pads to send the heat to the motherboard tray.
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Samsung 305T Plus, Dell 2005FPW Cooler Master QuickFire Pro mechanical keyboard Rosewill Capstone 450W Lian Li PC-Q11B 
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post #18 of 18
Quote:
Originally Posted by TheStealthyOne View Post
Since there's no MOSFET heatsink, do NOT do it. The VRM phase is probably weak too, you'll mess the board up. Nope nope
I've been running a 1055T(125w) on an Asus M4A88T-i Del overclocked to 3.94GHz since November. I'm not using any fancy heatsinks either, just a Noctua NC-12P and a powerfull fan. Athough I do have to use Phenommsrtweaker to prevent the motherboard from throttling cpu speed and voltage and this is on a testbench. I'm getting ready to drop in an 1100T, it should crack 4GHz easy, but I've been kind of lazy lately. I just wish we had a larger selection of enthusiest mitx motherboards. A z68mitx board would be awesome and I'd be on it like a fly on ****.
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