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Which C2D really? in the grand sceme of things.

Shocky-FM said:
You can use 8x multi with 6600 and given the rather extreme price of the E6700 and X6800 the E6600 is excellent value for 4MB of cache which does make a difference.

I thought the e6600 was a 9x multi? Are the lower multipliers useable?
 
if i just read that right (probably not as i dont quite get all the codename stuff) then the L2 are allendale chips, but cpu-z is still reading my 6300 as a conroe even though it is also saying its L2
 
Starfall said:
E6300 and E6400 as of a several weeks ago can be either Conroe or Allendale.

Older versions of CPU-z misread the E6300/E6400 - 4MB Conroe (B2 and earlier), with 2MB L2 dissabled, as Allendale, which may be confusing things for users.

The 'L2' stepping E6300/E6400 are true Allendales, native 2MB. However Conroe (B2's) are still in production alongside these as they provide and outlet for failed Conroe 4MB CPU's.

Right, thanks for clearing that up. So what you actually want is a B2 Conroe E6300 or E6400. Luckily, all mine are Conroes.

Are these L2 ones the ones that run hot? I've noticed that in the last few weeks there have been a spate of people reporting very high idle temperatures on E6300 and E6400's. That could be consistent with a processor model designed to run 9 x 200 actually neing asked to run at 7 x 266, but that's just my conjecture based on Starfall's comments above.
 
Elrein said:
I thought the e6600 was a 9x multi? Are the lower multipliers useable?

Yes, all the lower multipliers are available down to x6 on the motherboards I've used.

E6300 - 6x or 7x
E6400 - 6x, 7x or 8x
E6600 - 6x -> 9x
E6700 - 6x -> 10x
X6800 - completely unlocked multiplier, but as I've not tried one, the 6x minimum might still apply.
 
WJA96 said:
Right, thanks for clearing that up. So what you actually want is a B2 Conroe E6300 or E6400. Luckily, all mine are Conroes.

Are these L2 ones the ones that run hot? I've noticed that in the last few weeks there have been a spate of people reporting very high idle temperatures on E6300 and E6400's. That could be consistent with a processor model designed to run 9 x 200 actually neing asked to run at 7 x 266, but that's just my conjecture based on Starfall's comments above.

I agree, i would find a B2 stepping if i bought an E6300/E6400.

Some people speculate the L2's use 10W less than the B2's at idle, stock. I don't know wether this is true but i'd say it sounds about right. The L2's package is inferior to the B2's, meaning that a higher voltage will be needed at high (over)clock frequencies compared to the B2's, maybe this is the reason for the higher temperatures although there is nothing intrinsic which would suggest this is so. By the way, this is why the E4300 doesn't clock as well as it should.

I'd say it is more like a bad batch filtering through or maybe Intel shifting a stock of older steppings or something...

O/T - Sorry if i was harsh earlier WJA :)

//When dropping the CPU multiplier, remember the MCH core clock is being increased...
 
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Starfall said:
I agree, i would find a B2 stepping if i bought an E6300/E6400.

Some people speculate the L2's use 10W less than the B2's at idle, stock. I don't know wether this is true but i'd say it sounds about right. The L2's package is inferior to the B2's, meaning that a higher voltage will be needed at high (over)clock frequencies compared to the B2's, maybe this is the reason for the higher temperatures although there is nothing intrinsic which would suggest this is so. By the way, this is why the E4300 doesn't clock as well as it should.

Well, that confirms a lot of feelings a few of us have had on these forums for a while.

Starfall said:
O/T - Sorry if i was harsh earlier WJA :)

No worries, I'm always open to having my ignorance decreased ;)
 
From what i've seen i'd say that it (B2 V's L2) doesn't become a large problem until the low to mid 3GHz region, most guys here seem to be under that so i don't think it matters for the most part.

If you have the will and cooling to push hard i would go for a castrated Conroe E6300/E6400.

Intel have all these details available (along with Sspecs) on their website so as long as you can see what you're buying you should be able to chose what you want.
 
WJA96 said:
Yes, all the lower multipliers are available down to x6 on the motherboards I've used.

E6300 - 6x or 7x
E6400 - 6x, 7x or 8x
E6600 - 6x -> 9x
E6700 - 6x -> 10x
X6800 - completely unlocked multiplier, but as I've not tried one, the 6x minimum might still apply.


Thanks :)
 
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