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Difference between i7 860 and 870?

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August 13, 2010 7:38:44 AM


Hello,

a friend is looking for a CPU for a new build and I suggested the Intel Core i7 860 that I have myself. However we saw the 870 is available for very close to the same price. I am wondering what the differences between those two CPUs are?

From the research I have done the 870 seems to run at 2.9 Ghz as the 2.8 for the 860. I have not been able to spot any differences in cache, core, HT support and similar.

Is there anything else to consider?

More about : difference 860 870

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August 13, 2010 7:53:43 AM

the 870 is simply a higher clocked chip. to be honest, i would recommend getting the 860 and overclocking it yourself. unless the price difference is <$10.

however, if you can get the 875k for a fair price, that's certainly worth an extra few bucks...
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August 13, 2010 7:58:59 AM

^^At newegg.com the price difference is =$0!!! :) 

The 875 is $40 more. So that jump is to the OP!
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August 13, 2010 8:04:56 AM


Thank you both for your replies!

welshmousepk said:
the 870 is simply a higher clocked chip. to be honest, i would recommend getting the 860 and overclocking it yourself. unless the price difference is <$10.


Actually when looking at the prices in my local webstore that 870 is about $10 cheaper... :) 

welshmousepk said:

however, if you can get the 875k for a fair price, that's certainly worth an extra few bucks...


Here is the three CPUs from local webstore (swedish), but prices converted to $. The prices is probably a bit higher here.

INTEL CORE I7 860 2.80 $406
INTEL CORE I7 870 2.93 $392
INTEL CORE I7 875K 2.93 $458

What is the difference up to the 875K for the higher price?
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August 13, 2010 8:13:21 AM

the 875k has an unlocked multi. if you are even remotely interested in overclocking, its worth the cash.

im not sure its worth the extra 60 bucks though. it depends on the rest of your system. if you have a good mobo and RAM that will OC easily with FSB increases then a multi isn't a big deal.
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August 13, 2010 8:13:48 AM

Are these prices in Sweden? It is quite strange that i7 860 is greater than i7 870.

The 875k has unlocked multiplier, so it would help you in overclock. That is, if you want to overclock. Otherwise the 870 is fine. Just take a look at the review and you can find some more on Google and decide.
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August 13, 2010 8:35:21 AM

welshmousepk said:
the 875k has an unlocked multi. if you are even remotely interested in overclocking, its worth the cash.

im not sure its worth the extra 60 bucks though. it depends on the rest of your system. if you have a good mobo and RAM that will OC easily with FSB increases then a multi isn't a big deal.


The motherboard will likely be ASUS P7P55D-E LX. However, for the moment I do not think the owner of this PC will be doing any overclocking, so it should not be a decision maker.

hell_storm2004 said:
Are these prices in Sweden? It is quite strange that i7 860 is greater than i7 870.


Yes, that is the prices from a large webshop in Sweden. However, it might be a campaign on the 870 or something that makes it slightly cheaper. I agree it looks strange. :) 

However, from what I have heard from you the 870 should be a good buy and if it does not have any advantages from the 860 it would be well.
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Best solution

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August 13, 2010 8:47:33 AM

The lower price makes the 870 a default choice.
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August 13, 2010 8:50:09 AM

hell_storm2004 said:
The lower price makes the 870 a default choice.


Thanks a lot for your help.
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August 13, 2010 8:50:22 AM

Best answer selected by ricno.
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August 13, 2010 8:53:13 AM

You're welcome. Thanks for the vote!
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