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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 better 3DMark06 CPU score 980 vs 891 Around 10% better 3DMark06 CPU score
Much better geekbench 3 AES single core score 74,050 MB/s vs 28,100 MB/s Around 2.8x better geekbench 3 AES single core score
Higher clock speed 2 GHz vs 1.8 GHz More than 10% higher clock speed
Much better performance per dollar 1.24 pt/$ vs 0.54 pt/$ More than 2.2x better performance per dollar
Much better overclocked clock speed (Air) 3.57 GHz vs 2.12 GHz Around 70% better overclocked clock speed (Air)
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 (Water) 3.98 GHz vs 1.8 GHz Around 2.2x better overclocked clock speed (Water)
Front view of Intel Atom D525

Reasons to consider the
Intel Atom D525

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Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Lower typical power consumption 10.56W vs 28.44W 2.7x lower typical power consumption
Newer Jun, 2010 vs Jul, 2006 Release date over 4 years later
More threads 4 vs 1 3 more threads
More cores 2 vs 1 Twice as many cores; run more applications at once
Better performance per watt 2.62 pt/W vs 1.7 pt/W Around 55% better performance per watt
Lower annual home energy cost 3.13 $/year vs 8.43 $/year 2.7x lower annual home energy cost
Lower annual commercial energy cost 11.39 $/year vs 30.66 $/year 2.7x lower annual commercial energy cost

Benchmarks Real world tests of Celeron M 440 vs Atom D525

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

Celeron M 440
74,050 MB/s
Atom D525
28,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Atom D525
1,659

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron M 440  vs
Atom D525 
Clock speed 2 GHz 1.8 GHz
Cores Single core Dual core

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 No No

power consumption

TDP 35W 13W
Annual home energy cost 8.43 $/year 3.13 $/year
Annual commercial energy cost 30.66 $/year 11.39 $/year
Performance per watt 1.7 pt/W 2.62 pt/W
Typical power consumption 28.44W 10.56W

bus

Architecture FSB DMI
Number of links 1 1

details

Celeron M 440  vs
Atom D525 
Architecture x86-64 x86-64
Threads 1 4
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 65 nm 45 nm
Transistor count 105,000,000 176,000,000
Max CPUs 1 1
Voltage range 1 - 1.34V 0.8 - 1.18V

overclocking

Overclocked clock speed 3.57 GHz 2.12 GHz
Overclocked clock speed (Water) 3.98 GHz 1.8 GHz
Overclocked clock speed (Air) 3.57 GHz 2.12 GHz

integrated graphics

GPU None GPU
Label N/A Integrated

memory controller

Memory controller Built-in Built-in
Supports ECC No No
Intel Celeron M 440
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Intel Atom D525
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