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Differences What are the advantages of each

Front view of AMD Sempron X2 190

Reasons to consider the
AMD Sempron X2 190

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Much better overclocked clock speed (Air) 3.94 GHz vs 2.5 GHz Around 60% better overclocked clock speed (Air)
Lower typical power consumption 36.56W vs 44.69W Around 20% lower typical power consumption
Newer Aug, 2011 vs Apr, 2009 Release date over 2 years later
Lower annual commercial energy cost 39.42 $/year vs 48.18 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 10.84 $/year vs 13.25 $/year Around 20% lower annual home energy cost
Front view of AMD Opteron 8381 HE

Reasons to consider the
AMD Opteron 8381 HE

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
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
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads

Features Key features of the Sempron X2 190  vs Opteron 8381 HE 

clock speed

L2 cache

overclocked clock speed (air)

Sempron X2 190
3.94 GHz
Opteron 8381 HE
2.5 GHz

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Sempron X2 190  vs
Opteron 8381 HE 
Clock speed 2.5 GHz 2.5 GHz
Cores Dual core Quad core

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 2,000 MHz 2,000 MHz

details

Sempron X2 190  vs
Opteron 8381 HE 
Threads 2 4
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 8

overclocking

Overclocked clock speed 3.94 GHz 2.5 GHz
Overclocked clock speed (Water) 2.5 GHz 2.5 GHz
Overclocked clock speed (Air) 3.94 GHz 2.5 GHz

power consumption

TDP 45W 55W
Annual home energy cost 10.84 $/year 13.25 $/year
Annual commercial energy cost 39.42 $/year 48.18 $/year
Typical power consumption 36.56W 44.69W
AMD Sempron X2 190
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AMD Opteron 8381 HE
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