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Differences What are the advantages of each

Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3 GHz vs 2.2 GHz More than 35% higher clock speed
Much higher Maximum operating temperature 72.4 °C vs 55 °C More than 30% higher Maximum operating temperature
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Significantly lower typical power consumption 52.81W vs 72.31W More than 25% lower typical power consumption
Significantly lower annual home energy cost 15.66 $/year vs 21.44 $/year More than 25% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 77.96 $/year More than 25% lower annual commercial energy cost
Front view of AMD Athlon X2 4400+

Reasons to consider the
AMD Athlon X2 4400+

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CPUBoss is not aware of any important advantages of the AMD Athlon X2 4400+ vs the Intel Core2 Duo E8400.

Features Key features of the Core2 Duo E8400  vs Athlon X2 4400+ 

clock speed

L2 cache

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Athlon X2 4400+ 
Clock speed 3 GHz 2.2 GHz
Cores Dual core Dual core
Socket type
LGA 775
AM2

features

Has a NX bit Yes Yes
Has virtualization support Yes No
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 89W
Annual home energy cost 15.66 $/year 21.44 $/year
Annual commercial energy cost 56.94 $/year 77.96 $/year
Typical power consumption 52.81W 72.31W

details

Core2 Duo E8400  vs
Athlon X2 4400+ 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 2 MB
L2 cache per core 3 MB/core 1 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 1
Operating temperature Unknown - 72.4°C Unknown - 55°C

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 Core2 Duo E8400
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AMD Athlon X2 4400+
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