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Differences What are the advantages of each

Front view of Intel Celeron M 440

Reasons to consider the
Intel Celeron M 440

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Much more l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better performance per watt 1.7 pt/W vs 0.47 pt/W Around 3.8x better performance per watt
Much lower typical power consumption 28.44W vs 69.88W 2.5x lower typical power consumption
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much lower annual home energy cost 8.43 $/year vs 20.72 $/year 2.5x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 75.34 $/year 2.5x lower annual commercial energy cost
Much better overclocked clock speed (Water) 3.98 GHz vs 3.07 GHz Around 30% better overclocked clock speed (Water)
Front view of Intel Celeron D 347

Reasons to consider the
Intel Celeron D 347

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Much higher clock speed 3.06 GHz vs 2 GHz Around 55% higher clock speed
Much better overclocked clock speed (Air) 4.59 GHz vs 3.57 GHz Around 30% better overclocked clock speed (Air)
Much higher Maximum operating temperature 69.2 °C vs 60.4 °C Around 15% higher Maximum operating temperature

Benchmarks Real world tests of Celeron M 440 vs D 347

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron M 440  vs
D 347 
Clock speed 2 GHz 3.06 GHz
Cores Single core Single core
Socket type
479
LGA 775
M

features

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

power consumption

TDP 35W 86W
Annual home energy cost 8.43 $/year 20.72 $/year
Annual commercial energy cost 30.66 $/year 75.34 $/year
Performance per watt 1.7 pt/W 0.47 pt/W
Typical power consumption 28.44W 69.88W

memory controller

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

details

Celeron M 440  vs
D 347 
Architecture x86-64 x86-64
Threads 1 1
L2 cache 1 MB 0.5 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 65 nm 65 nm
Transistor count 105,000,000 188,000,000
Max CPUs 1 1
Clock multiplier 10 23
Voltage range 1 - 1.34V 1.25 - 1.32V
Operating temperature Unknown - 60.4°C Unknown - 69.2°C

overclocking

Overclocked clock speed 3.57 GHz 4.59 GHz
Overclocked clock speed (Water) 3.98 GHz 3.07 GHz
PassMark (Overclocked) 1,585.7 784.9
Overclocked clock speed (Air) 3.57 GHz 4.59 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 Celeron M 440
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Intel Celeron D 347
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