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Differences What are the advantages of each

Front view of Intel Pentium E5400

Reasons to consider the
Intel Pentium E5400

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Much more l2 cache 2 MB vs 0.25 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
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
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Higher clock speed 2.7 GHz vs 2.53 GHz More than 5% higher clock speed
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Air) 3.75 GHz vs 3.35 GHz More than 10% better overclocked clock speed (Air)
Much higher Maximum operating temperature 74.1 °C vs 67 °C More than 10% higher Maximum operating temperature
Lower typical power consumption 52.81W vs 59.31W More than 10% lower typical power consumption
Newer Jan, 2009 vs Jun, 2004 Release date over 4 years later
Significantly better overclocked clock speed (Water) 4.49 GHz vs 3.99 GHz Around 15% better overclocked clock speed (Water)
Lower annual commercial energy cost 56.94 $/year vs 63.95 $/year More than 10% lower annual commercial energy cost
Lower annual home energy cost 15.66 $/year vs 17.59 $/year More than 10% lower annual home energy cost
Front view of Intel Celeron D 325

Reasons to consider the
Intel Celeron D 325

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CPUBoss is not aware of any important advantages of the Celeron D 325 vs the Pentium E5400.

Features Key features of the Pentium E5400  vs Celeron D 325 

clock speed

Pentium E5400
2.7 GHz
Celeron D 325
2.53 GHz

L2 cache

overclocked clock speed (air)

Pentium E5400
3.75 GHz
Celeron D 325
3.35 GHz

overclocked clock speed (water)

Pentium E5400
4.49 GHz
Celeron D 325
3.99 GHz

Specifications Full list of technical specs

summary

Pentium E5400  vs
Celeron D 325 
Clock speed 2.7 GHz 2.53 GHz
Cores Dual core Single core
Socket type
LGA 775
478

features

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

power consumption

TDP 65W 73W
Annual home energy cost 15.66 $/year 17.59 $/year
Annual commercial energy cost 56.94 $/year 63.95 $/year
Typical power consumption 52.81W 59.31W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 533 MHz

details

Pentium E5400  vs
Celeron D 325 
Architecture x86-64 x86
Threads 2 1
L2 cache 2 MB 0.25 MB
L2 cache per core 1 MB/core 0.25 MB/core
Manufacture process 45 nm 90 nm
Transistor count 228,000,000 125,000,000
Max CPUs 1 1
Clock multiplier 13 19
Voltage range 0.85 - 1.36V 1.25 - 1.4V
Operating temperature Unknown - 74.1°C Unknown - 67°C

overclocking

Overclocked clock speed 3.75 GHz 3.35 GHz
Overclocked clock speed (Water) 4.49 GHz 3.99 GHz
Overclocked clock speed (Air) 3.75 GHz 3.35 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
Intel Pentium E5400
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Intel Celeron D 325
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