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Differences What are the advantages of each

Front view of AMD Phenom II X2 Black 570

Reasons to consider the
AMD Phenom II X2 Black 570

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Higher clock speed 3.5 GHz vs 3.4 GHz Around 5% higher clock speed
Significantly better overclocked clock speed (Air) 4.27 GHz vs 4.02 GHz More than 5% better overclocked clock speed (Air)
Front view of AMD Athlon II X2 270

Reasons to consider the
AMD Athlon II X2 270

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Much more l2 cache 2 MB vs 0 MB Compared to all cpus, 2 MB l2 cache is just OK
Much more l2 cache per core 1 MB/core vs 0 MB/core Compared to all cpus, 1 MB/core l2 cache per core is just OK
Lower typical power consumption 52.81W vs 65W Around 20% lower typical power consumption
Significantly better overclocked clock speed (Water) 4.09 GHz vs 3.5 GHz More than 15% better overclocked clock speed (Water)
Lower annual commercial energy cost 56.94 $/year vs 70.08 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 15.66 $/year vs 19.27 $/year Around 20% lower annual home energy cost

Benchmarks Real world tests of Phenom II X2 Black 570 vs Athlon II X2 270

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X2 Black 570  vs
Athlon II X2 270 
Clock speed 3.5 GHz 3.4 GHz
Cores Dual core Dual 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 3,400 MHz

details

Phenom II X2 Black 570  vs
Athlon II X2 270 
Threads 2 2
L2 cache 0 MB 2 MB
L2 cache per core 0 MB/core 1 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.27 GHz 4.02 GHz
Overclocked clock speed (Water) 3.5 GHz 4.09 GHz
Overclocked clock speed (Air) 4.27 GHz 4.02 GHz

power consumption

TDP 80W 65W
Annual home energy cost 19.27 $/year 15.66 $/year
Annual commercial energy cost 70.08 $/year 56.94 $/year
Performance per watt 1.35 pt/W 2.03 pt/W
Typical power consumption 65W 52.81W
AMD Phenom II X2 Black 570
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AMD Athlon II X2 270
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