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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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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
Higher Maximum operating temperature 61.4 °C vs 60.4 °C Almost the same
Front view of Intel Celeron M 450

Reasons to consider the
Intel Celeron M 450

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Much higher clock speed 2.2 GHz vs 1.6 GHz Around 40% higher clock speed
Much better PassMark score 2,120 vs 871 Around 2.5x better PassMark score
Much better PassMark (Single core) score 960 vs 585 Around 65% better PassMark (Single core) score
Much better performance per watt 2.63 pt/W vs 0.99 pt/W Around 2.8x better performance per watt
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much better overclocked clock speed (Air) 3.57 GHz vs 3 GHz Around 20% better overclocked clock speed (Air)
Much lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Significantly lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost
Significantly lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost
Newer Aug, 2008 vs Apr, 2007 Release date over 1 years later

Benchmarks Real world tests of Pentium E2140 vs Celeron M 450

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium E2140
68,300 MB/s
Celeron M 450
92,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium E2140  vs
Celeron M 450 
Clock speed 1.6 GHz 2.2 GHz
Cores Dual core Single core
Socket type
LGA 775
478
Slot 1
M

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 65W 35W
Annual home energy cost 15.66 $/year 8.43 $/year
Annual commercial energy cost 56.94 $/year 30.66 $/year
Performance per watt 0.99 pt/W 2.63 pt/W
Typical power consumption 52.81W 28.44W

bus

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

details

Pentium E2140  vs
Celeron M 450 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 65 nm 65 nm
Transistor count 105,000,000 105,000,000
Max CPUs 1 1
Clock multiplier 8 11
Voltage range 0.85 - 1.5V 1 - 1.34V
Operating temperature Unknown - 61.4°C Unknown - 60.4°C

overclocking

Overclocked clock speed 3 GHz 3.57 GHz
Overclocked clock speed (Water) 3.06 GHz 3.12 GHz
Overclocked clock speed (Air) 3 GHz 3.57 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 M 450
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