CPUBoss Review Our evaluation of 955 vs 5600B among desktop CPUs

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

4.3

CPUBoss Score

Combination of all six facets

Winner
AMD Phenom II X4 955 

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

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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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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much more l3 cache 6 MB vs 0.5 MB 12x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better PassMark score 3,960 vs 1,304 More than 3x better PassMark score
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 3.2 GHz vs 2.9 GHz More than 10% higher clock speed
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Air) 3.99 GHz vs 2.9 GHz Around 40% better overclocked clock speed (Air)
Much more l3 cache per core 1.5 MB/core vs 0.25 MB/core 6x more l3 cache per core
Much better overclocked clock speed (Water) 4.14 GHz vs 2.9 GHz Around 45% better overclocked clock speed (Water)
Newer Nov, 2009 vs Aug, 2008 Release date over 1 years later
Front view of AMD Athlon X2 5600B

Reasons to consider the
AMD Athlon X2 5600B

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Much lower typical power consumption 52.81W vs 101.56W Around 50% lower typical power consumption
Much higher Maximum operating temperature 72 °C vs 62 °C More than 15% higher Maximum operating temperature
Much lower annual home energy cost 15.66 $/year vs 30.11 $/year Around 50% lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 109.5 $/year Around 50% lower annual commercial energy cost

Benchmarks Real world tests of Phenom II X4 955 vs Athlon X2 5600B

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X4 955  vs
Athlon X2 5600B 
Clock speed 3.2 GHz 2.9 GHz
Cores Quad core Dual core
Socket type
AM3
AM2+
AM2
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 125W 65W
Annual home energy cost 30.11 $/year 15.66 $/year
Annual commercial energy cost 109.5 $/year 56.94 $/year
Performance per watt 1.28 pt/W 1.18 pt/W
Typical power consumption 101.56W 52.81W

details

Phenom II X4 955  vs
Athlon X2 5600B 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 2 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 6 MB 0.5 MB
L3 cache per core 1.5 MB/core 0.25 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 1
Voltage range 0.88 - 1.5V 1.1 - 1.35V
Operating temperature Unknown - 62°C Unknown - 72°C

overclocking

Overclocked clock speed 3.99 GHz 2.9 GHz
Overclocked clock speed (Water) 4.14 GHz 2.9 GHz
Overclocked clock speed (Air) 3.99 GHz 2.9 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
AMD Phenom II X4 955
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AMD Athlon X2 5600B
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