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Differences What are the advantages of each

Front view of Intel Core2 Duo E8200

Reasons to consider the
Intel Core2 Duo E8200

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Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 45 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 2.66 GHz vs 1.4 GHz More than 90% 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 GHz vs 1.4 GHz More than 2.8x better overclocked clock speed (Air)
Newer Jan, 2008 vs Feb, 2004 Release date over 3 years later
Much better overclocked clock speed (Water) 4.08 GHz vs 1.4 GHz Around 3x better overclocked clock speed (Water)
More cores 2 vs 1 Twice as many cores; run more applications at once
Front view of AMD Opteron 240 EE

Reasons to consider the
AMD Opteron 240 EE

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Significantly lower typical power consumption 24.38W vs 52.81W 2.2x lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly lower annual home energy cost 7.23 $/year vs 15.66 $/year 2.2x lower annual home energy cost
Significantly lower annual commercial energy cost 26.28 $/year vs 56.94 $/year 2.2x lower annual commercial energy cost

Features Key features of the Core2 Duo E8200  vs Opteron 240 EE 

clock speed

Core2 Duo E8200
2.66 GHz
Opteron 240 EE
1.4 GHz

L2 cache

overclocked clock speed (air)

overclocked clock speed (water)

Core2 Duo E8200
4.08 GHz
Opteron 240 EE
1.4 GHz

Specifications Full list of technical specs

summary

Core2 Duo E8200  vs
Opteron 240 EE 
Clock speed 2.66 GHz 1.4 GHz
Cores Dual core Single core
Socket type
LGA 775
940

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supplemental SSE3

details

Core2 Duo E8200  vs
Opteron 240 EE 
Threads 2 1
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 1 MB/core
Manufacture process 45 nm 130 nm
Max CPUs 1 2
Clock multiplier 8 7
Voltage range 0.85 - 1.36V 1.1 - UnknownV

overclocking

Overclocked clock speed 4 GHz 1.4 GHz
Overclocked clock speed (Water) 4.08 GHz 1.4 GHz
Overclocked clock speed (Air) 4 GHz 1.4 GHz

power consumption

TDP 65W 30W
Annual home energy cost 15.66 $/year 7.23 $/year
Annual commercial energy cost 56.94 $/year 26.28 $/year
Typical power consumption 52.81W 24.38W
Intel Core2 Duo E8200
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AMD Opteron 240 EE
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