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Differences What are the advantages of each

Front view of AMD Athlon X2 6500

Reasons to consider the
AMD Athlon X2 6500

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CPUBoss is not aware of any important advantages of the Athlon X2 6500 vs the Athlon II X4 640.

Front view of AMD Athlon II X4 640

Reasons to consider the
AMD Athlon II X4 640

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CPUBoss is not aware of any important advantages of the Athlon II X4 640 vs the Athlon X2 6500.

Benchmarks Real world tests of Athlon X2 6500 vs II X4 640

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon X2 6500  vs
II X4 640 
Clock speed 2.3 GHz 3 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

details

Athlon X2 6500  vs
II X4 640 
Threads 2 4
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 2 MB 0 MB
L3 cache per core 1 MB/core 0 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.89 GHz 3.57 GHz
Overclocked clock speed (Water) 2.3 GHz 3.89 GHz
PassMark (Overclocked) 1,605.2 2,020.8
Overclocked clock speed (Air) 2.89 GHz 3.57 GHz

power consumption

TDP 95W 95W
Annual home energy cost 22.89 $/year 22.89 $/year
Annual commercial energy cost 83.22 $/year 83.22 $/year
Performance per watt 1.79 pt/W 1.54 pt/W
Typical power consumption 77.19W 77.19W
AMD Athlon X2 6500
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AMD Athlon II X4 640
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