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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 newer manufacturing process 65 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
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 1 MB/core 2x more l2 cache per core
Lower typical power consumption 52.81W vs 69.31W Around 25% lower typical power consumption
Better overclocked clock speed (Air) 3.49 GHz vs 2.73 GHz Around 30% better overclocked clock speed (Air)
More cores 2 vs 1 Twice as many cores; run more applications at once
Newer Jul, 2006 vs May, 2004 Release date over 2 years later
Significantly better overclocked clock speed (Water) 3.45 GHz vs 2.4 GHz Around 45% better overclocked clock speed (Water)
Lower annual home energy cost 15.66 $/year vs 20.55 $/year Around 25% lower annual home energy cost
Lower annual commercial energy cost 56.94 $/year vs 74.72 $/year Around 25% lower annual commercial energy cost
Front view of AMD Opteron 850

Reasons to consider the
AMD Opteron 850

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Higher Maximum operating temperature 71 °C vs 60.1 °C Around 20% higher Maximum operating temperature

Features Key features of the Core2 Duo E6600  vs Opteron 850 

clock speed

Core2 Duo E6600
2.4 GHz
Opteron 850
2.4 GHz

L2 cache

overclocked clock speed (air)

Core2 Duo E6600
3.49 GHz
Opteron 850
2.73 GHz

overclocked clock speed (water)

Core2 Duo E6600
3.45 GHz
Opteron 850
2.4 GHz

Specifications Full list of technical specs

summary

Core2 Duo E6600  vs
Opteron 850 
Clock speed 2.4 GHz 2.4 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
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Core2 Duo E6600  vs
Opteron 850 
Threads 2 1
L2 cache 4 MB 1 MB
L2 cache per core 2 MB/core 1 MB/core
Manufacture process 65 nm 130 nm
Max CPUs 1 8
Clock multiplier 9 12
Voltage range 0.85 - 1.5V 1.3 - UnknownV
Operating temperature Unknown - 60.1°C 0 - 71°C

overclocking

Overclocked clock speed 3.49 GHz 2.73 GHz
Overclocked clock speed (Water) 3.45 GHz 2.4 GHz
Overclocked clock speed (Air) 3.49 GHz 2.73 GHz

power consumption

TDP 65W 85.3W
Annual home energy cost 15.66 $/year 20.55 $/year
Annual commercial energy cost 56.94 $/year 74.72 $/year
Typical power consumption 52.81W 69.31W
Intel Core2 Duo E6600
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AMD Opteron 850
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