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Differences What are the advantages of each

Front view of AMD Opteron 190

Reasons to consider the
AMD Opteron 190

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 2.8 GHz vs 2.3 GHz More than 20% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Better overclocked clock speed (Air) 3.11 GHz vs 2.75 GHz Around 15% better overclocked clock speed (Air)
Front view of AMD Athlon 64 X2 4400+

Reasons to consider the
AMD Athlon 64 X2 4400+

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Much lower typical power consumption 52.81W vs 89.38W More than 40% lower typical power consumption
Much lower annual home energy cost 15.66 $/year vs 26.5 $/year More than 40% lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 96.36 $/year More than 40% lower annual commercial energy cost
Better overclocked clock speed (Water) 3.13 GHz vs 2.8 GHz More than 10% better overclocked clock speed (Water)

Features Key features of the Opteron 190  vs Athlon 64 X2 4400+ 

clock speed

L2 cache

overclocked clock speed (air)

Opteron 190
3.11 GHz

overclocked clock speed (water)

Opteron 190
2.8 GHz

Specifications Full list of technical specs

summary

Opteron 190  vs
Athlon 64 X2 4400+ 
Clock speed 2.8 GHz 2.3 GHz
Cores Dual core Dual core

features

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

details

Opteron 190  vs
Athlon 64 X2 4400+ 
Threads 2 2
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 90 nm 90 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.11 GHz 2.75 GHz
Overclocked clock speed (Water) 2.8 GHz 3.13 GHz
Overclocked clock speed (Air) 3.11 GHz 2.75 GHz

power consumption

TDP 110W 65W
Annual home energy cost 26.5 $/year 15.66 $/year
Annual commercial energy cost 96.36 $/year 56.94 $/year
Typical power consumption 89.38W 52.81W
AMD Opteron 190
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AMD Athlon 64 X2 4400+
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