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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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CPUBoss is not aware of any important advantages of the 955 Black Edition vs the 830.

Front view of AMD Phenom II X4 830

Reasons to consider the
AMD Phenom II X4 830

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CPUBoss is not aware of any important advantages of the 830 vs the 955 Black Edition.

Benchmarks Real world tests of Phenom II X4 955 vs 830

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
Phenom II X4 830
112,950 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

3D Mark 11 (Physics)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X4 955  vs
830 
Clock speed 3.2 GHz 2.8 GHz
Cores Quad core Quad core

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

bus

Clock speed 2,000 MHz 2,000 MHz

details

Phenom II X4 955  vs
830 
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 6 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclock popularity 259 6
Overclock review score 4 0
Overclocked clock speed 3.99 GHz 3.82 GHz
Overclocked clock speed (Water) 4.14 GHz 3 GHz
Overclocked clock speed (Air) 3.99 GHz 3.82 GHz

power consumption

TDP 125W 95W
Annual home energy cost 30.11 $/year 22.89 $/year
Annual commercial energy cost 109.5 $/year 83.22 $/year
Performance per watt 1.28 pt/W 1.47 pt/W
Typical power consumption 101.56W 77.19W
AMD Phenom II X4 955
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AMD Phenom II X4 830
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