CPUBoss Review Our evaluation of 955 vs 1218 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

5.3

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
Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 3.2 GHz vs 2.6 GHz Around 25% higher clock speed
More l3 cache 6 MB vs 1 MB 6x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better geekbench 3 Multi-Core score 5,898 vs 2,256 More than 2.5x better geekbench 3 Multi-Core score
Significantly more l3 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l3 cache per core
More cores 4 vs 2 Twice as many cores; run more applications at once
Better geekbench 3 single core score 1,679 vs 1,207 Around 40% better geekbench 3 single core score
Newer Nov, 2009 vs Aug, 2006 Release date over 3 years later
Better overclocked clock speed (Air) 3.99 GHz vs 3.41 GHz More than 15% better overclocked clock speed (Air)
More threads 4 vs 2 Twice as many threads
Higher Maximum operating temperature 62 °C vs 55 °C Around 15% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.14 GHz vs 2.6 GHz Around 60% better overclocked clock speed (Water)
Slightly better performance per watt 1.28 pt/W vs 0.59 pt/W Around 2.2x better performance per watt
Front view of AMD Opteron 1218

Reasons to consider the
AMD Opteron 1218

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Lower typical power consumption 83.69W vs 101.56W Around 20% lower typical power consumption
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Lower annual home energy cost 24.81 $/year vs 30.11 $/year Around 20% lower annual home energy cost
Lower annual commercial energy cost 90.23 $/year vs 109.5 $/year Around 20% lower annual commercial energy cost

Benchmarks Real world tests of Phenom II X4 955 vs Opteron 1218

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
Opteron 1218
155.6 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X4 955  vs
Opteron 1218 
Clock speed 3.2 GHz 2.6 GHz
Cores Quad core Dual core
Socket type
AM3
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 103W
Annual home energy cost 30.11 $/year 24.81 $/year
Annual commercial energy cost 109.5 $/year 90.23 $/year
Performance per watt 1.28 pt/W 0.59 pt/W
Typical power consumption 101.56W 83.69W

details

Phenom II X4 955  vs
Opteron 1218 
Threads 4 2
L2 cache 2 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 6 MB 1 MB
L3 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 1
Voltage range 0.88 - 1.5V 1 - UnknownV
Operating temperature Unknown - 62°C 0 - 55°C

overclocking

Overclocked clock speed 3.99 GHz 3.41 GHz
Overclocked clock speed (Water) 4.14 GHz 2.6 GHz
PassMark (Overclocked) 3,674.7 1,578.7
Overclocked clock speed (Air) 3.99 GHz 3.41 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 Opteron 1218
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