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Difference between CPUs

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Johnysko

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Discussion starter · #1 ·
can you tell me difference between INTEL Pentium 4 and INTEL Celeron D
which is better and newest and have P 4 and Celeron D SSE 2 and SSE 3
pls P4- SSE x and SSe x
Celeron D- SSe x and SSe x pls
 
#2 ·
Celeron D has 256 of L2 cache, while regular Pentium 4 has 512kb.
Celeron D has SSE3.
Pentium 4's dont ALL have SSE3. All the Pentium 4's (Prescott) have SSE3.

Those are the only major differences. L2 cache is the biggest thing here.
Previous Celerons had only 128 kb wich made them very weaker than their 'full' Pentium 4 counterparts. From this L2 stuff came their previous bad reputation.
 
#3 ·
P4 Northwood has 512KB l2 cache and is older and P4 Prescott has 1MB l2 cache afaik too I may add. Not any major performance difference tho. Then again "Preshots" gets hot as ovens and Northwood chips runs a lot cooler. :D

I sense this thread belongs to hardware discussion. ;)
 
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#7 ·
|Gand|Alf| said:
P4 Northwood has 512KB l2 cache and is older and P4 Prescott has 1MB l2 cache afaik too I may add. Not any major performance difference tho. Then again "Preshots" gets hot as ovens and Northwood chips runs a lot cooler. :D
Click to expand...
The problem with Prescotts is the pipeline is too long, and results in ALOT of cache misses, coupled with the fact that Northwood gets more instructions per clock, means Prescott isn't the major step up it was made out to be.;)
 
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