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Differences What are the advantages of each

Front view of Intel Core2 Duo E7200

Reasons to consider the
Intel Core2 Duo E7200

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Much better overclocked clock speed (Air) 3.84 GHz vs 2.6 GHz Around 50% better overclocked clock speed (Air)
Higher Maximum operating temperature 74.1 °C vs 72 °C Around 5% higher Maximum operating temperature
Front view of AMD Athlon II X3 420e

Reasons to consider the
AMD Athlon II X3 420e

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More cores 3 vs 2 1 more cores; run more applications at once
More threads 3 vs 2 1 more threads
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Significantly lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Significantly lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost
Newer Sep, 2010 vs Apr, 2008 Release date over 2 years later

Benchmarks Real world tests of Core2 Duo E7200 vs Athlon II X3 420e

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E7200  vs
Athlon II X3 420e 
Clock speed 2.53 GHz 2.6 GHz
Cores Dual core Tri core
Socket type
LGA 775
AM3

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 45W
Annual home energy cost 15.66 $/year 10.84 $/year
Annual commercial energy cost 56.94 $/year 39.42 $/year
Performance per watt 1.28 pt/W 2.04 pt/W
Typical power consumption 52.81W 36.56W

details

Core2 Duo E7200  vs
Athlon II X3 420e 
Architecture x86-64 x86-64
Threads 2 3
L2 cache 3 MB 2 MB
L2 cache per core 1.5 MB/core 0.67 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Voltage range 0.85 - 1.36V 0.78 - 1.25V
Operating temperature Unknown - 74.1°C Unknown - 72°C

overclocking

Overclocked clock speed 3.84 GHz 2.6 GHz
Overclocked clock speed (Water) 2.53 GHz 2.6 GHz
Overclocked clock speed (Air) 3.84 GHz 2.6 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

Clock speed 1,066 MHz 2,000 MHz
Intel Core2 Duo E7200
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AMD Athlon II X3 420e
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