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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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More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Much better overclocked clock speed (Water) 3.98 GHz vs 2.4 GHz More than 65% better overclocked clock speed (Water)
Front view of Intel Celeron D 320

Reasons to consider the
Intel Celeron D 320

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Much lower typical power consumption 19.91W vs 28.44W 30% lower typical power consumption
Much higher Maximum operating temperature 67 °C vs 60.4 °C More than 10% higher Maximum operating temperature
Much lower annual home energy cost 5.9 $/year vs 8.43 $/year 30% lower annual home energy cost
Much lower annual commercial energy cost 21.46 $/year vs 30.66 $/year 30% lower annual commercial energy cost

Features Key features of the Celeron M 440  vs D 320 

clock speed

L2 cache

overclocked clock speed (air)

Celeron M 440
3.57 GHz
Celeron D 320
3.37 GHz

overclocked clock speed (water)

Celeron M 440
3.98 GHz
Celeron D 320
2.4 GHz

Specifications Full list of technical specs

summary

Celeron M 440  vs
D 320 
Clock speed 2 GHz 1.3 GHz
Cores Single core Single core
Socket type
479
LGA 775
M
478

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 24.5W
Annual home energy cost 8.43 $/year 5.9 $/year
Annual commercial energy cost 30.66 $/year 21.46 $/year
Typical power consumption 28.44W 19.91W

memory controller

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

details

Celeron M 440  vs
D 320 
Architecture x86-64 x86
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 130 nm
Transistor count 105,000,000 77,000,000
Max CPUs 1 1
Clock multiplier 10 13
Voltage range 1 - 1.34V 1.25 - 1.4V
Operating temperature Unknown - 60.4°C Unknown - 67°C

overclocking

Overclocked clock speed 3.57 GHz 3.37 GHz
Overclocked clock speed (Water) 3.98 GHz 2.4 GHz
PassMark (Overclocked) 1,585.7 562.8
Overclocked clock speed (Air) 3.57 GHz 3.37 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 400 MHz
Intel Celeron M 440
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Intel Celeron D 320
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