CPUBoss Review Our evaluation of 955 vs 570 among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

2.7

CPUBoss Score

Combination of all six facets

Winner
AMD Phenom II X4 955 

CPUBoss recommends the AMD Phenom II X4 955  based on its .

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VS

Differences What are the advantages of each

Front view of AMD Phenom II X4 955

Reasons to consider the
AMD Phenom II X4 955

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CPUBoss is not aware of any important advantages of the Phenom II X4 955 vs the Phenom II X2 Black 570.

Front view of AMD Phenom II X2 Black 570

Reasons to consider the
AMD Phenom II X2 Black 570

Report a correction

CPUBoss is not aware of any important advantages of the Phenom II X2 Black 570 vs the Phenom II X4 955.

Benchmarks Real world tests of Phenom II X4 955 vs X2 Black 570

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X4 955  vs
X2 Black 570 
Clock speed 3.2 GHz 3.5 GHz
Cores Quad core Dual core
Socket type
AM3
Is unlocked Yes Yes

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 125W 80W
Annual home energy cost 30.11 $/year 19.27 $/year
Annual commercial energy cost 109.5 $/year 70.08 $/year
Performance per watt 1.28 pt/W 1.35 pt/W
Typical power consumption 101.56W 65W

details

Phenom II X4 955  vs
X2 Black 570 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 2 MB 0 MB
L2 cache per core 0.5 MB/core 0 MB/core
L3 cache 6 MB 6 MB
L3 cache per core 1.5 MB/core 3 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.99 GHz 4.27 GHz
Overclocked clock speed (Water) 4.14 GHz 3.5 GHz
Overclocked clock speed (Air) 3.99 GHz 4.27 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 X4 955
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AMD Phenom II X2 Black 570
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