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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
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Front view of AMD A4 3400

Reasons to consider the
AMD A4 3400

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Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 52.81W vs 89.38W More than 40% lower typical power consumption
Better overclocked clock speed (Air) 3.5 GHz vs 3.11 GHz More than 10% better overclocked clock speed (Air)
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

Features Key features of the Opteron 190  vs A4 3400 

clock speed

Opteron 190
2.8 GHz
A4 3400
2.7 GHz

L2 cache

A4 3400
1 MB

overclocked clock speed (air)

Opteron 190
3.11 GHz
A4 3400
3.5 GHz

overclocked clock speed (water)

Opteron 190
2.8 GHz
A4 3400
2.7 GHz

TDP

A4 3400
65W

Specifications Full list of technical specs

summary

Opteron 190  vs
A4 3400 
Clock speed 2.8 GHz 2.7 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
3DNow!
Supports dynamic frequency scaling Yes Yes

details

Opteron 190  vs
A4 3400 
Threads 2 2
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 90 nm 32 nm
Max CPUs 1 1
Voltage range 1.3 - UnknownV 0.91 - 1.41V

overclocking

Overclocked clock speed 3.11 GHz 3.5 GHz
Overclocked clock speed (Water) 2.8 GHz 2.7 GHz
Overclocked clock speed (Air) 3.11 GHz 3.5 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 A4 3400
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