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Dual Core E5200 or Core 2 duo E6700

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January 29, 2012 7:15:09 PM

Current computer fried so throwing together a system to use for the time being out of older parts.

I'm not sure which is better since the E5200 is using newer Wolfdale architecture than the Duo.

E5200- 2.50Ghz, 800Mhz, 2MB Cache, 45nm
E6700- 2.66 Ghz, 1066Mhz, 4mb Cache, 65nm

The cache and FSB is higher on the Duo but I plan on overclocking either anyway so FSB isnt as big a deal as the cache I suppose. Also would the Wolfdale architecture be more efficient and perform better despite the cache difference?

Any advise would be appreciated.

More about : dual core e5200 core duo e6700

a c 900 à CPUs
January 29, 2012 7:21:23 PM

Apart from less power use the E6700 is the better CPU!
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a b à CPUs
January 29, 2012 7:23:50 PM

the E6700 is quite a bit better. Intel really didn't improve the core 2 duos with their revisions very much.

Faster clock and faster FSB and more cache = win.
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January 29, 2012 7:26:50 PM

So pretty much the only difference between the Wolfdale and the Conroe really is temperature in this case? I was just wondering since the e5200 came out about 2 years after the e6700.
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a b à CPUs
January 29, 2012 7:28:07 PM

the e5200 is also a lower end chip compared to the e6700.

wolfdale and conroe are pretty much the same except they went from 65nm to 45nm.
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a c 900 à CPUs
January 29, 2012 7:29:00 PM

d347h1nc said:
So pretty much the only difference between the Wolfdale and the Conroe really is temperature in this case? I was just wondering since the e5200 came out about 2 years after the e6700.

Yes the 5200 came out as a budget part based on old design on new tech. The E6700 was a high end part when introduced.
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January 30, 2012 6:20:01 AM

I guess Ill go with the core 2 duo, although http://www.cpubenchmark.net/cpu_lookup.php?cpu=Pentium+... lists the e5200 as being slightly better.

Also I've read various people saying that with the smaller process IE 45nm Vs 65nm there can be a 5 to 10 percent performance increase? Is there any truth to there being better performance per clock?

Again I will be overclocking either to about 3.5ghz so im not sure. Both seem to be able to reach this speed quite easily So I guess even overclocked the FSB would be higher on the 6700 as well as having twice the L2 cache.

The older architecture is really the only thing hindering my decision with some folks saying that the lower process runs better not just temp wise but slightly faster for some reason.
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a c 235 à CPUs
January 30, 2012 6:37:29 AM

The Wolfdale will overclock much better than the older 65nm Conroe. I had an E6600 that would overclock from 2.4Ghz to 3.2Ghz but I had an E8400 that would go from 3Ghz to 4.2Ghz. My RAM limited that overclock but it is still running to this day at 4.050Ghz. So a 4 1/2 year 1Ghz overclock.
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a c 186 à CPUs
January 30, 2012 6:38:59 AM

wolfdales love to be oc'ed :) 
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January 30, 2012 6:11:39 PM

Well I figured the e5200 would clock a lot higher because it has a higher multiplier. I guess the real question is if I can get both to the same clock of 3.5ghz which one should I go with?
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a c 235 à CPUs
January 30, 2012 6:21:45 PM

The Wolfdale has a better chance of hitting 3.5Ghz. The Conroe will likely get close but as I said above the Wolfdales overclock better.
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January 30, 2012 6:25:10 PM

Well this particular chip was running in a different board at 3.6 so that shouldnt be much of an issue. Again if I can get both to around the same would the extra cache etc be worth using the Conroe over the Wolfdale or would the 45nm architecture be better?
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a c 235 à CPUs
January 30, 2012 6:34:25 PM

The higher clock speed of the Wolfdale will offset any cache advantage of the Conroe. The Wolfdale should be slightly faster clock for clock anyway due to the more efficient 45nm design.
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January 30, 2012 8:38:43 PM

Best answer selected by d347h1nc.
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a b à CPUs
January 30, 2012 10:02:33 PM

This topic has been closed by Mousemonkey
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