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Differences What are the advantages of each

Front view of AMD Phenom X4 B99

Reasons to consider the
AMD Phenom X4 B99

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CPUBoss is not aware of any important advantages of the Phenom X4 B99 vs the Phenom II X4 B95.

Front view of AMD Phenom II X4 B95

Reasons to consider the
AMD Phenom II X4 B95

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CPUBoss is not aware of any important advantages of the Phenom II X4 B95 vs the Phenom X4 B99.

Benchmarks Real world tests of Phenom X4 B99 vs II X4 B95

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 X4 B99
131.8 MB/s
Phenom II X4 B95
121 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom X4 B99  vs
II X4 B95 
Clock speed 3.3 GHz 3 GHz
Turbo clock speed 0 GHz 0 GHz
Cores Quad core Quad core
Is unlocked No 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

bus

Clock speed 2,000 MHz 2,000 MHz

details

Phenom X4 B99  vs
II X4 B95 
Threads 4 4
L2 cache 2 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 0 MB 6 MB
L3 cache per core 0 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.44 GHz 3.56 GHz
Overclocked clock speed (Water) 3.3 GHz 3 GHz
Overclocked clock speed (Air) 4.44 GHz 3.56 GHz

power consumption

TDP 95W 95W
Annual home energy cost 22.89 $/year 22.89 $/year
Annual commercial energy cost 83.22 $/year 83.22 $/year
Performance per watt 1.25 pt/W 1.15 pt/W
Typical power consumption 77.19W 77.19W
AMD Phenom X4 B99
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AMD Phenom II X4 B95
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