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Overclock results for C2D E6600

E

euchrestalin

n00b
Joined
Nov 14, 2007
Messages
56
I recently bought a Gigabyte GA-EP45-UD3R motherboard to overclock my old Intel Core 2 Duo E6600. While I'm waiting for it to arrive from the egg I thought I would do a little research on how far it can go. If you have overclocked an E6600 please post your clock speeds and voltages.
 
Most users don't realize that there are two different E6600 CPUs with different overclocking potential. They both had the same CPUID and will both be listed in CPU-Z as B2 stepping but I believe the later SL9ZL uses more efficient cache chips which create less heat and consume less power at idle and offer better overclocking ability.

The original B2 is sSpec number SL9S8. My E6600 was one of these and was an overheating, disappointing dog. Check this number which should be on top of your CPU or on the box it came in.

http://processorfinder.intel.com/List.aspx?ParentRadio=All&ProcFam=0&SearchKey=e6600
 
unclewebb said:
Most users don't realize that there are two different E6600 CPUs with different overclocking potential. They both had the same CPUID and will both be listed in CPU-Z as B2 stepping but I believe the later SL9ZL uses more efficient cache chips which create less heat and consume less power at idle and offer better overclocking ability.

The original B2 is sSpec number SL9S8. My E6600 was one of these and was an overheating, disappointing dog. Check this number which should be on top of your CPU or on the box it came in.

http://processorfinder.intel.com/List.aspx?ParentRadio=All&ProcFam=0&SearchKey=e6600
Click to expand...
Interesting--I never knew that. I wonder if this was only the E6600 or what? I had one of the original E6300 chips awhile back and got it past 3.3ghz before becoming limited by my DDR2 chips... so it was no slouch. I'd assume it uses more or less the same silicon as the E6600 just with less cache.
 
My first Core 2 CPU was an E6400 B2 SL9S9 and it could run reliably at 3600 MHz and a little beyond on air. Fantastic chip. The recent SL9S8 E6600 I tried was similar in theory with 4MB cache instead of 2MB but was completely different in terms of heat output at idle and at full load and overclock ability was also completely different because of it.

I wouldn't be surprised if Intel made running changes to some of their CPUs and changed add ons like the cache and didn't bother changing the sSpec number to keep things consistent. With high volume manufacturing, built in several plants, it might not always be possible to create two identical CPUs. That's one reason why how well a CPU overclocks will vary from one CPU to the next even if they have the same part number stamped on top.
 
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