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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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Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3.2 GHz vs 1.8 GHz Around 80% higher clock speed
Much better geekbench 2 (32-bit) score 5,649 vs 1,882 More than 3x better geekbench 2 (32-bit) score
Much better geekbench 3 Multi-Core score 5,898 vs 1,363 More than 4.2x better geekbench 3 Multi-Core score
Much better overclocked clock speed (Air) 3.99 GHz vs 2 GHz Around 2x better overclocked clock speed (Air)
Significantly better geekbench 3 single core score 1,679 vs 735 More than 2.2x better geekbench 3 single core score
More cores 4 vs 2 Twice as many cores; run more applications at once
Newer Nov, 2009 vs Aug, 2005 Release date over 4 years later
Much better overclocked clock speed (Water) 4.14 GHz vs 1.8 GHz More than 2.2x better overclocked clock speed (Water)
More threads 4 vs 2 Twice as many threads
Front view of AMD Opteron 165 HE

Reasons to consider the
AMD Opteron 165 HE

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Much lower typical power consumption 44.69W vs 101.56W 2.3x lower typical power consumption
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much lower annual home energy cost 13.25 $/year vs 30.11 $/year 2.3x lower annual home energy cost
Much lower annual commercial energy cost 48.18 $/year vs 109.5 $/year 2.3x lower annual commercial energy cost

Benchmarks Real world tests of Phenom II X4 955 vs Opteron 165 HE

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 165 HE
49,700 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 165 HE 
Clock speed 3.2 GHz 1.8 GHz
Cores Quad core Dual core
Socket type
AM3
939
940

features

Has a NX bit Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

details

Phenom II X4 955  vs
Opteron 165 HE 
Threads 4 2
L2 cache 2 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 1
Operating temperature Unknown - 62°C 0 - 65°C

overclocking

Overclocked clock speed 3.99 GHz 2 GHz
Overclocked clock speed (Water) 4.14 GHz 1.8 GHz
Overclocked clock speed (Air) 3.99 GHz 2 GHz

power consumption

TDP 125W 55W
Annual home energy cost 30.11 $/year 13.25 $/year
Annual commercial energy cost 109.5 $/year 48.18 $/year
Performance per watt 1.28 pt/W 1 pt/W
Typical power consumption 101.56W 44.69W
AMD Phenom II X4 955
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AMD Opteron 165 HE
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