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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 more l2 cache 6 MB vs 2 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 3 GHz vs 1.8 GHz More than 65% higher clock speed
Much more l2 cache per core 3 MB/core vs 1 MB/core 3x more l2 cache per core
Much better overclocked clock speed (Air) 4.22 GHz vs 1.8 GHz More than 2.2x better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.23 GHz vs 1.8 GHz More than 2.2x better overclocked clock speed (Water)
Newer Jan, 2008 vs Aug, 2006 Release date over 1 years later
Front view of AMD Second Generation Opteron 2210 EE

Reasons to consider the
AMD Second Generation Opteron 2210 EE

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost

Features Key features of the Core2 Duo E8400  vs Second Generation Opteron 2210 EE 

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Second Generation Opteron 2210 EE 
Clock speed 3 GHz 1.8 GHz
Cores Dual core Dual core
Socket type
LGA 775
F

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Core2 Duo E8400  vs
Second Generation Opteron 2210 EE 
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 2
Clock multiplier 9 9
Voltage range 0.85 - 1.36V 1 - UnknownV

overclocking

Overclocked clock speed 4.22 GHz 1.8 GHz
Overclocked clock speed (Water) 4.23 GHz 1.8 GHz
Overclocked clock speed (Air) 4.22 GHz 1.8 GHz

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
Typical power consumption 52.81W 36.56W
Intel Core2 Duo E8400
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AMD Second Generation Opteron 2210 EE
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