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Differences What are the advantages of each

Front view of AMD Athlon 64 X2 3400+

Reasons to consider the
AMD Athlon 64 X2 3400+

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More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Front view of AMD Athlon 64 3100+

Reasons to consider the
AMD Athlon 64 3100+

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Much lower typical power consumption 20.31W vs 28.44W Around 30% lower typical power consumption
Much lower annual home energy cost 6.02 $/year vs 8.43 $/year Around 30% lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 30.66 $/year Around 30% lower annual commercial energy cost

Features Key features of the Athlon 64 X2 3400+  vs 3100+ 

clock speed

L2 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Athlon 64 X2 3400+  vs
3100+ 
Clock speed 1.8 GHz 1.8 GHz
Cores Dual core Single core
Socket type
AM2
754
462

features

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

details

Athlon 64 X2 3400+  vs
3100+ 
Threads 2 1
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 90 nm 130 nm
Max CPUs 1 1
Operating temperature Unknown - 78°C Unknown - 70°C

overclocking

Overclocked clock speed 2.25 GHz 2.47 GHz
Overclocked clock speed (Water) 1.8 GHz 1.8 GHz
Overclocked clock speed (Air) 2.25 GHz 2.47 GHz

power consumption

TDP 35W 25W
Annual home energy cost 8.43 $/year 6.02 $/year
Annual commercial energy cost 30.66 $/year 21.9 $/year
Performance per watt 0.85 pt/W 1.84 pt/W
Typical power consumption 28.44W 20.31W
AMD Athlon 64 X2 3400+
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AMD Athlon 64 3100+
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