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i5 vs. i7

Post Date: 2009-09-09
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Sodius View Drop Down
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Posts: 613 		  Quote Sodius Quote  Post ReplyReply bullet Topic: i5 vs. i7
    Posted: 09 Sep 2009 at 9:22am
Can someone explain to me the difference between these two CPUs, i5 750 2.66ghz and i7 920 2.66ghz. Is there a big difference in the stock chips?
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Shabby View Drop Down
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Posts: 6 		  Quote Shabby Quote  Post ReplyReply bullet Posted: 09 Sep 2009 at 7:59pm

This appears to be a fair and somewhat easy comparison to grasp, within reason.

 
But there will always be purists who will settle for nothing but the best.Broken%20Heart
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DST4ME View Drop Down
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Posts: 36758 		  Quote DST4ME Quote  Post ReplyReply bullet Posted: 09 Sep 2009 at 8:17pm
the 750 has 4 cores and 4 threads, the 920 has 4 cores 8 threads, they have different memory controllers, i7 uses three channels for memory and i5 uses two channels.

for games you should not be able to tell the difference once, specially when oced.



Edited by DST4ME - 09 Sep 2009 at 9:00pm

Nvidia Drivers----AMD Drivers
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Tugmaster View Drop Down
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Posts: 30 		  Quote Tugmaster Quote  Post ReplyReply bullet Posted: 10 Sep 2009 at 12:40am

If you are planning on doing SLI or crossfire the new chips (socket 1156) only supports 8x each on the pci express lanes versus 2 16x lanes on the x58 (socket 1366). Its talked about in many of the reviews and pointed out the decrease in bandwith isnt really a major concern, however once the new GPU's come out that could possibly change. If you dont plan on having a multiple GPU setup then the new socket and chips are your new best friends.
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<8) slunK parade View Drop Down
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Posts: 798 		  Quote <8) slunK parade Quote  Post ReplyReply bullet Posted: 10 Sep 2009 at 4:52am
supposedly the lower range i5's have no HT
i think the expensive ones do though
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<8) slunK parade View Drop Down
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Posts: 798 		  Quote <8) slunK parade Quote  Post ReplyReply bullet Posted: 10 Sep 2009 at 4:53am
http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/22151-intel-lynnfield-core-i5-750-core-i7-870-processor-review.html

Our opinion of the Lynnfield processors should be quite evident: two enthusiastic thumbs up! Having said that, we were really dealing with two distinctly different offerings today. On one hand we have the i5-750 that performed extremely well in nearly every single test while not costing an arm and a leg. On the other hand, we have the 750's alter ego; the high-flying i7-870. Both are at their own ends of the Lynnfield spectrum and as such really gave us an interesting take on how things are going to look in Intel's new lineup.

The i7-870 is a 'mainstream offering' by name only given its $562 price tag, which is on the outside looking in to the mainstream segment. Yes, it performs extremely well, matching the $999 Core i7-975 Extreme Edition on several occasions, but we simply can't get over the price. Thankfully, the i7-860 is almost $300 cheaper, and only 133Mhz slower, which makes it the no-brainer choice between the two. It is a multi-threading monster in a mainstream arena with no viable competition in sight.



Edited by <8) slunK parade - 10 Sep 2009 at 4:55am
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