CPUBoss Review Our evaluation of 440 vs 640 among desktop CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

3.7

CPUBoss Score

Combination of all six facets

Winner
AMD Athlon II X4 640 

CPUBoss recommends the AMD Athlon II X4 640  based on its performance and single-core performance.

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VS

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 lower typical power consumption 28.44W vs 77.19W 2.7x 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 commercial energy cost 30.66 $/year vs 83.22 $/year 2.7x lower annual commercial energy cost
Much lower annual home energy cost 8.43 $/year vs 22.89 $/year 2.7x lower annual home energy cost
Better overclocked clock speed (Water) 3.98 GHz vs 3.89 GHz Around 5% better overclocked clock speed (Water)
Front view of AMD Athlon II X4 640

Reasons to consider the
AMD Athlon II X4 640

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3 GHz vs 2 GHz 50% higher clock speed
More cores 4 vs 1 3 more cores; run more applications at once
More threads 4 vs 1 3 more threads
Much better PassMark score 3,327 vs 537 Around 6.2x better PassMark score
Much better PassMark (Single core) score 1,026 vs 658 More than 55% better PassMark (Single core) score
Much better geekbench 2 (32-bit) score 5,198 vs 867 Around 6x better geekbench 2 (32-bit) score
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
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 virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much higher Maximum operating temperature 71 °C vs 60.4 °C Around 20% higher Maximum operating temperature
Newer May, 2010 vs Jul, 2006 Release date over 3 years later

Benchmarks Real world tests of Celeron M 440 vs Athlon II X4 640

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
Athlon II X4 640
121,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron M 440  vs
Athlon II X4 640 
Clock speed 2 GHz 3 GHz
Cores Single core Quad core
Socket type
479
LGA 775
M
AM3

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling No Yes

power consumption

TDP 35W 95W
Annual home energy cost 8.43 $/year 22.89 $/year
Annual commercial energy cost 30.66 $/year 83.22 $/year
Performance per watt 1.7 pt/W 1.54 pt/W
Typical power consumption 28.44W 77.19W

bus

Clock speed 800 MHz 2,000 MHz

details

Celeron M 440  vs
Athlon II X4 640 
Architecture x86-64 x86-64
Threads 1 4
L2 cache 1 MB 2 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1
Voltage range 1 - 1.34V 1.05 - 1.4V
Operating temperature Unknown - 60.4°C Unknown - 71°C

overclocking

Overclocked clock speed 3.57 GHz 3.57 GHz
Overclocked clock speed (Water) 3.98 GHz 3.89 GHz
PassMark (Overclocked) 1,585.7 2,020.8
Overclocked clock speed (Air) 3.57 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 Celeron M 440
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AMD Athlon II X4 640
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