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[tpu]Preliminary Tests on Intel Core i5 Conducted

post #1 of 25
Thread Starter 
Quote:
i5? i5! Core i5 would be the brand name Intel's mainstream desktop derivatives of the Nehalem architecture based on the Lynnfield core would carry. It is similar to its big brother, the Core i7 for the most of the part except for a few differences:

*A current generation Direct Media Interface (DMI) Interconnect as chipset interface
*A 128-bit wide DDR3 memory interface (Dual Channel) instead of triple-channel
*Some more machinery from the northbridge migrated to the CPU, such as the PCI-Express root complex
*The newer LGA 1160 socket

Lynnfield continues to have four x86 processing cores with HyperThreading enabled, with 256 KB of L2 cache per core and a shared 8 MB L3 cache. Chiphell got its hands on not only the processor, but also a compatible motherboard and run a quick preliminary evaluation of the processor. The processor, clocked at 2,127 MHz, was put though SuperPi, wPrime, Cinebench, Fritz Chess, and 3DMark Vantage. The processor is expected to release in the second half of 2009.





source
Edited by ujar - 12/26/08 at 6:50am
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post #2 of 25
nice find +1rep...How the hell did I miss this thread
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post #3 of 25
Lol, completely forgot all about this socket.
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post #4 of 25
The Vantage cpu score is equal to a Q6600 @ 4ghz, nice.
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post #5 of 25
So a quad core with hyperthreading and dual channel ddr3 performs .6 seconds slower than my computer of much lower stature, not impressive in my mind. You would think that a processor with 2 more physical cores and, and 4 more logical cores, and a smaller die size would be able to outperform my processor in a 1M superpi test.
post #6 of 25
Quote:
Originally Posted by Mattb2e View Post
So a quad core with hyperthreading and dual channel ddr3 performs .6 seconds slower than my computer of much lower stature, not impressive in my mind. You would think that a processor with 2 more physical cores and, and 4 more logical cores, and a smaller die size would be able to outperform my processor in a 1M superpi test.
Super pi is a single threaded app.. What speed would your cpu need to be to get similar results? Think about that and compare.
    
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post #7 of 25
Quote:
Originally Posted by Mattb2e View Post
So a quad core with hyperthreading and dual channel ddr3 performs .6 seconds slower than my computer of much lower stature, not impressive in my mind. You would think that a processor with 2 more physical cores and, and 4 more logical cores, and a smaller die size would be able to outperform my processor in a 1M superpi test.
SP is speed heavy, it's all about the ghz.
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post #8 of 25
Quote:
Originally Posted by Xecuter2 View Post
Super pi is a single threaded app.. What speed would your cpu need to be to get similar results? Think about that and compare.
Was unaware that SuperPi would only be single threaded, in that event having a 900 mhz clock advantage on it, yet achieving the same score is pretty impressive for that chip then.
post #9 of 25
Quote:
Originally Posted by Mattb2e View Post
Was unaware that SuperPi would only be single threaded, in that event having a 900 mhz clock advantage on it, yet achieving the same score is pretty impressive for that chip then.
Indeed. The quickest SP1m are held by high clocked dual cores.

Edit: I think OP needs to shorten his title to 'Core i5 tests conducted' for the OCN news section - It gets cut off.
Edited by BizzareRide - 12/26/08 at 10:15pm
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post #10 of 25
Is anyone else confused by Intel's move with Core i5? It seems as if i5 will be a different design (in terms of manufacturing masks) since there is one less memory controller channel, different interface, and PCI-E controller. I would think this decreases their flexibillity for products to be in a wide range of price and performance. Plus, why would they use their DMI FSB instead of their touted QPI for higher bandwidth? Perhaps cost savings since mobo makers are used to using DMI, but since the PCI-E controller is moved to the CPU, the routing becomes completely different anyways. Speaking of the PCI-E controller, why would they move it over to the CPU on the lower end i5 and not also on the i7? The latencies will be much lower and should translate into some performance benefits but people who shell out more money for the i7 don't get this?
    
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