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August 11, 2010 10:00:02 PM

howdy,

I thought I had a pretty good handle on this, but the more I read the more confused I get :o 

Is the Core Duo still a viable platform? I hadn't heard much about this processor, but lately in some reviews I have been reading it is mentioned first once or twice, but now I notice a few more references to it.

What is the difference between the i5 and i7 series? I thought the i7 series provided for:
a faster processor interface (no more FSB)
and as a gateway to faster processors....920, 930....980.

But now I am not so sure. Infact I saw one site where it should that an i5 750 (I think that was the model) was as fast as the i7 860 on several benchmarks, which in turn was as fast as a i7 920....meaning I suppose in a roundabout way that the i5 750 was near as well performing as the i7 920. This seems odd to me. I mean there is a pretty big price difference and one would hope a performance difference as well, or where is the fun in building so big?

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August 12, 2010 10:02:33 AM

MOST core i7s run on X58 chipset which allows 36(?) PCIe 2.0 Lanes
SOME i7s and ALL i5s run on P55/H55/H57/Q55 which only allows 16 PCIe Lanes at PCIe2.0 and 4 through the chipset at 1.0 speeds.

This is the main difference in my eyes.
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August 12, 2010 10:48:05 AM

The i7 is in the elite group of processors as far as Intel is concerned, but the i5 and i7 cater to different price segments. X58 motherboards are expensive than P55 ones and are better overclockers. Not to say that the P55's are bad. But its your budget that should determine the choice of the platform.
August 12, 2010 2:54:36 PM

Thanks, these last two answers have helped.

I am thinking that I am going with the P55 now, cause of the price and I don't want to OC (well maybe just a little ;)  )

This brings the question....

the i7 8xx are very near performance to the i7 9xx

what it looks like I will be missing out on the 9xx is:

more total RAM capability?
SPI - but is this important? It sounds all neat and futuristic
future processor upgrades....will the P55 continue to grow? Think it will ever hit 6 cores like the 980?
any other drawbacks?

Last Q is i noticed that the 870 is now the same as the 860. Any reason not to go that route?

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August 12, 2010 3:31:05 PM
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1156 is certainly a dead end. The newer ones are shifting to 1155 or 1157 or something. And Intel don't like backward compatibility. Its either their way or the highway as far as upgrading goes.

The 870 has the higher clock would give you better overall performance and if the price is fine with you, you can go for it.

This can be your reference guide:
http://www.guru3d.com/article/core-i5-750-core-i7-860-8...

But if you are spending $300 on the CPU, then i think i7 930 is a better choice. If the rumors come true, you would be in luck!
August 12, 2010 3:57:55 PM

hell_storm2004 said:
1156 is certainly a dead end. The newer ones are shifting to 1155 or 1157 or something. And Intel don't like backward compatibility. Its either their way or the highway as far as upgrading goes.

The 870 has the higher clock would give you better overall performance and if the price is fine with you, you can go for it.

This can be your reference guide:
http://www.guru3d.com/article/core-i5-750-core-i7-860-8...

But if you are spending $300 on the CPU, then i think i7 930 is a better choice. If the rumors come true, you would be in luck!


Yeah, I agree about the money on the CPU....I was liking the $100 savings on the mobo though, but since I am building for the future....

As a side note does anyone know about 6GB mem mods? A lot of the 58 mobos can take 24GB and does one get there in a pretty way except by 4 x 6GB

Many thanks hell_storm.......................
August 19, 2010 3:54:09 AM

Best answer selected by kartoga.
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