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Differences What are the advantages of each

Front view of Intel Pentium D 925

Reasons to consider the
Intel Pentium D 925

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Much more l2 cache 4 MB vs 0.25 MB 16x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 3 GHz vs 2.53 GHz Around 20% higher clock speed
Much more l2 cache per core 2 MB/core vs 0.25 MB/core 8x more l2 cache per core
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Better overclocked clock speed (Air) 4.23 GHz vs 3.73 GHz Around 15% better overclocked clock speed (Air)
Newer Jul, 2006 vs Apr, 2004 Release date over 2 years later
More cores 2 vs 1 Twice as many cores; run more applications at once
Front view of Intel Celeron D 326

Reasons to consider the
Intel Celeron D 326

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Lower typical power consumption 68.25W vs 77.19W More than 10% lower typical power consumption
Higher Maximum operating temperature 67.7 °C vs 63.4 °C More than 5% higher Maximum operating temperature
Lower annual home energy cost 20.24 $/year vs 22.89 $/year More than 10% lower annual home energy cost
Lower annual commercial energy cost 73.58 $/year vs 83.22 $/year More than 10% lower annual commercial energy cost

Features Key features of the Pentium D 925  vs Celeron D 326 

clock speed

Celeron D 326
2.53 GHz

L2 cache

overclocked clock speed (air)

Pentium D 925
4.23 GHz
Celeron D 326
3.73 GHz

overclocked clock speed (water)

Pentium D 925
4.4 GHz
Celeron D 326
4.31 GHz

Specifications Full list of technical specs

summary

Pentium D 925  vs
Celeron D 326 
Clock speed 3 GHz 2.53 GHz
Cores Dual core Single core
Socket type
LGA 775
P
478

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support No No
Instruction set extensions
SSE2
MMX
SSE3
SSE
Supplemental SSE3
Supports dynamic frequency scaling Yes No

power consumption

TDP 95W 84W
Annual home energy cost 22.89 $/year 20.24 $/year
Annual commercial energy cost 83.22 $/year 73.58 $/year
Typical power consumption 77.19W 68.25W

memory controller

Memory controller Built-in Built-in
Supports ECC No No

details

Pentium D 925  vs
Celeron D 326 
Architecture x86-64 x86-64
Threads 1 1
L2 cache 4 MB 0.25 MB
L2 cache per core 2 MB/core 0.25 MB/core
Manufacture process 65 nm 90 nm
Transistor count 376,000,000 125,000,000
Max CPUs 1 1
Clock multiplier 15 19
Voltage range 1.2 - 1.34V 1.25 - 1.4V
Operating temperature Unknown - 63.4°C Unknown - 67.7°C

overclocking

Overclocked clock speed 4.23 GHz 3.73 GHz
Overclocked clock speed (Water) 4.4 GHz 4.31 GHz
PassMark (Overclocked) 1,095.6 462.1
Overclocked clock speed (Air) 4.23 GHz 3.73 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 533 MHz
Intel Pentium D 925
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Intel Celeron D 326
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