Prescott & Northwood P4

orion446

Member
Sep 6, 2004
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What is the difference between the Prescott and Northwood P4 cpu? I picked up a 2.4ghz fsb800 oem P4 today for $119. I am new to Intel having been strictly AMD for the past seven years so I don't know much about them. Do I have a Notrhwood or a prescott? The salesman said it was a Prescott but I doubt that. Does this cpu support hyperthreading technology.
:confused:
 

bluntman

Senior member
Aug 18, 2000
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The main difference between a Prescott and Northwood CPU is the 1MB cache (L1 or L2, I forget) on the Prescott chip, Northwoods have 512kb cache.
 

Navid

Diamond Member
Jul 26, 2004
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Originally posted by: orion446
What is the difference between the Prescott and Northwood P4 cpu? I picked up a 2.4ghz fsb800 oem P4 today for $119. I am new to Intel having been strictly AMD for the past seven years so I don't know much about them. Do I have a Notrhwood or a prescott? The salesman said it was a Prescott but I doubt that. Does this cpu support hyperthreading technology.
:confused:

According to this Intel web page, all 800MHz FSB processors have hyper threading.
http://indigo.intel.com/compare_cpu/

Also, it shows that the lowest frequency Prescott available is 2.8E GHz. The 2.4GHz one is Northwood (C suffix).
Prescott is on a shorter gate length (more advanced) technology (90 nanometers) than Northwood (130 nanometers). Prescott has more cache.
 

LTC8K6

Lifer
Mar 10, 2004
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The lowest frequency Prescott is the 2.4A version with 1 MB cache and 533fsb and no HT.

A 2.4 800fsb chip should be a Northwood with 512k cache and it would have HT.