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[TomsHardware] Overclocking Intel's Wolfdale E8000

post #1 of 7
Thread Starter 
The Article

LOL @
Quote:
Look at the photo below if you want to know what happens when you try to remove the heat spreader without desoldering it beforehand. If you intend to remove it, we recommend that you take a hot air gun and carefully move the heat spreader back and forth until it can be removed without damaging the processor die. We recommend not doing this, since finding a suitable cooling solution is very difficult.


Conclusion: Overclockers Wait! Everyone Else Go For It
Quote:
Core 2 Duo Wolfdale remains an excellent new CPU that provides substantial performance while reaching new records in efficiency. We drove the processor all the way up to 4.3 GHz, which has been the limit for our test sample. Since this is only the beginning of the 45-nm generation, we expect future models and future steppings to deliver even better overclocking margins. We're also not sure whether it was the CPU core or the system bus that created the bottleneck that prevented higher clock speeds from being reached, as 4+ GHz can oftentimes be reached with the predecessor, Core 2 Duo E6000 Conroe. However, the 45-nm Wolfdale was optimized for performance per Watt instead of clock speed, and it clearly beats the 65-nm Conroe in all efficiency benchmarks and delivers better performance at decreased power consumption both in idle and under maximum load.

We found it amazing to see the dual-core Wolfdale beat the quad-core Yorkfield when it comes to SYSmark performance per watt. Clearly, combining two Wolfdale dies inside a physical processor, which is how Intel creates a quad-core processor, does provide much better performance (as you could also see in the overclocking charts), but the power consumption increases more than the level of performance. Even better thread optimization might help, but the results underscore our previous conclusion: Core 2 Duo E8000 is the most reasonable processor choice unless you really need much more performance. Please look at our CPU Charts for performance comparisons between the new Core 2 Duo Wolfdale processors and a long list of AMD and Intel CPUs.
post #2 of 7
Overclockers wait? They got a > 1ghz overclock. I think people are expecting to much of an overclock anymore due to intel underclocking so much to be able to sell off older CPUs
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post #3 of 7
imo they mean that with the next e8xxx processor, any bugs will be found and fixed
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post #4 of 7
Wow, I am really loosing faith in Toms.

The only way to reduce temps is to pop the top of a Wolfdale?

They don't even mention water cooling. Why should you pop the top off a Wolfdale if heat isn't currently an issue? Toms Answer:

Quote:
As you hit the limits of an architecture, not yet hitting thermal limits (Wolfdale never got really hot during our testing), one might wonder whether or not it makes sense to remove the processor's heat spreader in order to directly attach a heat sink in an effort to improve heat dissipation.
Doesn't make sense at all.

Neither does this statement:

Quote:
We're also not sure whether it was the CPU core or the system bus that created the bottleneck that prevented higher clock speeds from being reached, as 4+ GHz can oftentimes be reached with the predecessor, Core 2 Duo E6000 Conroe. However, the 45-nm Wolfdale was optimized for performance per Watt instead of clock speed, and it clearly beats the 65-nm Conroe in all efficiency benchmarks and delivers better performance at decreased power consumption both in idle and under maximum load.
New process, new techniques, not optimization Toms.
    
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post #5 of 7
Says page not found?

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post #6 of 7
Ya, brokun.
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post #7 of 7
i bet you they had a chip with a bad thermal sensor, because i have seen quite a few people (including myself) get them higher than that and better cooling helps even though the temps look just fine. i would expect if your goint to write a review and have alot of people read it you should be able to push a wolfdale farther than 4.3... i had mine super pi stable at 4.8 on water.
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