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Differences What are the advantages of each

Front view of Intel Core2 Duo E6600

Reasons to consider the
Intel Core2 Duo E6600

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Lower typical power consumption 52.81W vs 65W Around 20% lower typical power consumption
Lower annual commercial energy cost 56.94 $/year vs 70.08 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 15.66 $/year vs 19.27 $/year Around 20% lower annual home energy cost
Better overclocked clock speed (Water) 3.45 GHz vs 3.2 GHz Around 10% better overclocked clock speed (Water)
Front view of AMD Phenom X2 B57

Reasons to consider the
AMD Phenom X2 B57

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Much higher clock speed 3.2 GHz vs 2.4 GHz Around 35% higher clock speed
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 4.3 GHz vs 3.49 GHz Around 25% better overclocked clock speed (Air)

Benchmarks Real world tests of Core2 Duo E6600 vs Phenom X2 B57

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E6600  vs
Phenom X2 B57 
Clock speed 2.4 GHz 3.2 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

bus

Clock speed 1,066 MHz 2,200 MHz

details

Core2 Duo E6600  vs
Phenom X2 B57 
Threads 2 2
L2 cache 4 MB 1 MB
L2 cache per core 2 MB/core 0.5 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.49 GHz 4.3 GHz
Overclocked clock speed (Water) 3.45 GHz 3.2 GHz
Overclocked clock speed (Air) 3.49 GHz 4.3 GHz

power consumption

TDP 65W 80W
Annual home energy cost 15.66 $/year 19.27 $/year
Annual commercial energy cost 56.94 $/year 70.08 $/year
Performance per watt 1.7 pt/W 1.22 pt/W
Typical power consumption 52.81W 65W
Intel Core2 Duo E6600
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AMD Phenom X2 B57
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