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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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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Front view of AMD Athlon II X3 455

Reasons to consider the
AMD Athlon II X3 455

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CPUBoss is not aware of any important advantages of the Athlon II X3 455 vs the Phenom II X2 Black 570.

Benchmarks Real world tests of Phenom II X2 Black 570 vs Athlon II X3 455

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X2 Black 570  vs
Athlon II X3 455 
Clock speed 3.5 GHz 3.3 GHz
Cores Dual core Tri core
Socket type
AM3
Is unlocked Yes No

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

power consumption

TDP 80W 95W
Annual home energy cost 19.27 $/year 39.57 $/year
Annual commercial energy cost 70.08 $/year 113.88 $/year
Performance per watt 1.35 pt/W 1.11 pt/W
Typical power consumption 65W 113.47W

details

Phenom II X2 Black 570  vs
Athlon II X3 455 
Architecture x86-64 x86-64
Threads 2 3
L2 cache 0 MB 2 MB
L2 cache per core 0 MB/core 0.67 MB/core
L3 cache 6 MB 0.5 MB
L3 cache per core 3 MB/core 0.17 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.27 GHz 3.96 GHz
Overclocked clock speed (Water) 3.5 GHz 4.04 GHz
Overclocked clock speed (Air) 4.27 GHz 3.96 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Clock speed 2,000 MHz 2,000 MHz
AMD Phenom II X2 Black 570
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AMD Athlon II X3 455
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