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Differences What are the advantages of each

Front view of Intel Pentium E2140

Reasons to consider the
Intel Pentium E2140

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Much more l2 cache 1 MB vs 0.25 MB 4x 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
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
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Lower typical power consumption 52.81W vs 59.31W More than 10% lower typical power consumption
Newer Apr, 2007 vs Jun, 2004 Release date over 2 years later
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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Much higher clock speed 2.53 GHz vs 1.6 GHz Around 60% higher clock speed
Much better overclocked clock speed (Air) 3.35 GHz vs 3 GHz More than 10% better overclocked clock speed (Air)
Much higher Maximum operating temperature 67 °C vs 61.4 °C Around 10% higher Maximum operating temperature
Much better overclocked clock speed (Water) 3.99 GHz vs 3.06 GHz More than 30% better overclocked clock speed (Water)

Features Key features of the Pentium E2140  vs Celeron D 325 

clock speed

Pentium E2140
1.6 GHz
Celeron D 325
2.53 GHz

L2 cache

overclocked clock speed (air)

Celeron D 325
3.35 GHz

overclocked clock speed (water)

Pentium E2140
3.06 GHz
Celeron D 325
3.99 GHz

Specifications Full list of technical specs

summary

Pentium E2140  vs
Celeron D 325 
Clock speed 1.6 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 No 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 E2140  vs
Celeron D 325 
Architecture x86-64 x86
Threads 2 1
L2 cache 1 MB 0.25 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
Manufacture process 65 nm 90 nm
Transistor count 105,000,000 125,000,000
Max CPUs 1 1
Clock multiplier 8 19
Voltage range 0.85 - 1.5V 1.25 - 1.4V
Operating temperature Unknown - 61.4°C Unknown - 67°C

overclocking

Overclocked clock speed 3 GHz 3.35 GHz
Overclocked clock speed (Water) 3.06 GHz 3.99 GHz
Overclocked clock speed (Air) 3 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 E2140
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Intel Celeron D 325
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