CPUBoss Review Our evaluation of 955 vs 605e 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 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 higher clock speed 3.2 GHz vs 2.3 GHz Around 40% higher clock speed
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 performance per watt 1.28 pt/W vs 0.64 pt/W Around 2x better performance per watt
Much more l3 cache per core 1.5 MB/core vs 0.13 MB/core 12x more l3 cache per core
Much lower typical power consumption 101.56W vs 130.78W More than 20% lower typical power consumption
Much better overclocked clock speed (Air) 3.99 GHz vs 3.36 GHz Around 20% better overclocked clock speed (Air)
Much lower annual home energy cost 30.11 $/year vs 53.03 $/year Around 45% lower annual home energy cost
Much better overclocked clock speed (Water) 4.14 GHz vs 2.3 GHz More than 80% better overclocked clock speed (Water)
Lower annual commercial energy cost 109.5 $/year vs 120.63 $/year Around 10% lower annual commercial energy cost
Front view of AMD Athlon II X4 605e

Reasons to consider the
AMD Athlon II X4 605e

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Much higher Maximum operating temperature 72 °C vs 62 °C More than 15% higher Maximum operating temperature

Benchmarks Real world tests of Phenom II X4 955 vs Athlon II X4 605e

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Phenom II X4 955
129,850 MB/s
Athlon II X4 605e
105.8 MB/s

Cinebench R10 32-Bit

Cinebench R10 32-Bit (Single Core)

sysmark 2007 (overall)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X4 955  vs
Athlon II X4 605e 
Clock speed 3.2 GHz 2.3 GHz
Cores Quad core Quad 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 125W 45W
Annual home energy cost 30.11 $/year 53.03 $/year
Annual commercial energy cost 109.5 $/year 120.63 $/year
Performance per watt 1.28 pt/W 0.64 pt/W
Typical power consumption 101.56W 130.78W

bus

Clock speed 2,000 MHz 2,000 MHz

details

Phenom II X4 955  vs
Athlon II X4 605e 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 2 MB 2 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 0.13 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Voltage range 0.88 - 1.5V 0.78 - 1.25V
Operating temperature Unknown - 62°C Unknown - 72°C

overclocking

Overclocked clock speed 3.99 GHz 3.36 GHz
Overclocked clock speed (Water) 4.14 GHz 2.3 GHz
Overclocked clock speed (Air) 3.99 GHz 3.36 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 II X4 605e
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