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Celeron "D" question.

V

Vitamin T

Limp Gawd
Joined
Jan 19, 2005
Messages
198
I hope this isn't a question that's been asked/answered 1,000 times, but what's with the "D" designation on some of the Celeron chips? Seems like I read somewhere that Intel's "D" designation was primarily for dual core. And I don't believe that these Celerons are dual core, so what's the story? Anyone?
 
They're not dual core, the 'D' was to seperate them from the, shall we say, absymal performance of the early Netburst based Celerons (the 128k L2, 400FSB parts).

The Celeron Ds are all 533FSB/256K L2. The letter is purely coninsidence, A, B, C were taken by the different Northwood variants of P4, Prescott based Celerons and Prescotts got denoted D, and E respectively. (Except for those 533FSB Prescott 'A's that screwed everyting up...)
 
Like ^^^^ said, the D is just for labeling purposes.

Celerons went to the D nomenclature virtually the same time as the Pentiums, shortly after the introduction of Prescott.

D does not mean dual-core. It was just a different way to name the next incarnation of Pentium 4 without calling it Pentium 5. There are plenty of Pentium D's that are not dual core. The numbers after the D are what matter-in Prescott or Pentium D processors, the numbers denote cache sizes, speed, and dual core (possibly other features-I'm not looking it up). In Celeron, the cache is always the same and there are no dual celerys yet. So basically the number just means speed and the D means it's got double the cache of a P4 celery and a 533 vs. 400 mhz QPB.

The J means that it has the nx bit iirc.
 
superkdogg said:
[...]There are plenty of Pentium D's that are not dual core. [...]
Click to expand...
Last I checked all Pentium D's are indeed Dual Core Pentium 4's which is where the confusion with the Celeron D comes from.
 
Should I take out the 2.8 cel non D in my laptop and replace it with a 2.1 D? Would I get better performance?
 
Bolt,
Non likely. You'd be lucky if your laptop could even recognize the newer model processor. Though I am not familiar with the celeron line-up. Google some reviews.
 
The Prescott Celeron will run hotter than the Northwood Celeron, and probobly shorten your battery life. Check into putting in a P4B or see if somebody has managed to put a P4C in your laptop.

I'm part of a few discussion groups for my laptop and I know for a fact that the fastest processor I can put in mine is an Athlon XP-M 2600. It will run a XP-M 3000 but the heatsink isn't adequete enough.
 
Menelmarar said:
Last I checked all Pentium D's are indeed Dual Core Pentium 4's which is where the confusion with the Celeron D comes from.
Click to expand...
Whoops. I totally blew that one, but I'm man enough to admit when I'm wrong. Nobody listen to the wrong post by me above.:(
 
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