CPUBoss Review Our evaluation of 955 vs 1356 among all 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

Sky Diver and Cloud Gate

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?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

6.3

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 single-core performance.

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VS

AMD Phenom II X4 955

CPUBoss Winner
Front view of AMD Phenom II X4 955

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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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher clock speed 3.2 GHz vs 2.3 GHz Around 40% higher clock speed
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More l3 cache 6 MB vs 2 MB 3x more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly more l3 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l3 cache per core
Significantly better overclocked clock speed (Air) 3.99 GHz vs 2.94 GHz More than 35% better overclocked clock speed (Air)
Better PassMark (Single core) score 1,113 vs 840 Around 35% better PassMark (Single core) score
Much better overclocked clock speed (Water) 4.14 GHz vs 2.3 GHz More than 80% better overclocked clock speed (Water)
Better PassMark score 3,960 vs 2,765 Around 45% better PassMark score
Newer Nov, 2009 vs Apr, 2008 Release date over 1 years later
Front view of AMD Opteron 1356

Reasons to consider the
AMD Opteron 1356

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Much lower typical power consumption 60.94W vs 101.56W 40% lower typical power consumption
Much lower annual home energy cost 18.07 $/year vs 30.11 $/year 40% lower annual home energy cost
Much lower annual commercial energy cost 65.7 $/year vs 109.5 $/year 40% lower annual commercial energy cost

Benchmarks Real world tests of Phenom II X4 955 vs Opteron 1356

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X4 955  vs
Opteron 1356 
Clock speed 3.2 GHz 2.3 GHz
Cores Quad core Quad 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 75W
Annual home energy cost 30.11 $/year 18.07 $/year
Annual commercial energy cost 109.5 $/year 65.7 $/year
Performance per watt 1.28 pt/W 1.38 pt/W
Typical power consumption 101.56W 60.94W

details

Phenom II X4 955  vs
Opteron 1356 
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 2 MB
L3 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 1
Voltage range 0.88 - 1.5V 1.2 - UnknownV

overclocking

Overclocked clock speed 3.99 GHz 2.94 GHz
Overclocked clock speed (Water) 4.14 GHz 2.3 GHz
PassMark (Overclocked) 3,674.7 2,009.8
Overclocked clock speed (Air) 3.99 GHz 2.94 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 Opteron 1356
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