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Differences What are the advantages of each

Front view of AMD Phenom II N850

Reasons to consider the
AMD Phenom II N850

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Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 3 vs 2 1 more cores; run more applications at once
Front view of AMD Athlon Neo X2 6650e

Reasons to consider the
AMD Athlon Neo X2 6650e

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More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly more l2 cache per core 0.5 MB/core vs 0.17 MB/core More than 3x more l2 cache per core

Features Key features of the Phenom II N850  vs Athlon Neo X2 6650e 

clock speed

L2 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Phenom II N850  vs
Athlon Neo X2 6650e 
Clock speed 2.2 GHz 2.2 GHz
Cores Tri core Dual core
Socket type
S1
AM2

features

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

bus

Clock speed 1,800 MHz 1,000 MHz

details

Phenom II N850  vs
Athlon Neo X2 6650e 
Threads 3 2
L2 cache 0.5 MB 1 MB
L2 cache per core 0.17 MB/core 0.5 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.21 GHz 2.2 GHz
Overclocked clock speed (Water) 2.2 GHz 2.2 GHz
Overclocked clock speed (Air) 2.21 GHz 2.2 GHz

power consumption

TDP 35W 35W
Annual home energy cost 8.43 $/year 8.43 $/year
Annual commercial energy cost 30.66 $/year 30.66 $/year
Typical power consumption 28.44W 28.44W
AMD Phenom II N850
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AMD Athlon Neo X2 6650e
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