CPUBoss Review Our evaluation of 955 vs 8140 among desktop CPUs (over 75W)

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

Fire Strike

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?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

3.2

CPUBoss Score

Combination of all six facets

Winner
AMD Phenom II X4 955 

CPUBoss recommends the AMD Phenom II X4 955  based on its .

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VS

Differences What are the advantages of each

Front view of AMD Phenom II X4 955

Reasons to consider the
AMD Phenom II X4 955

Report a correction

CPUBoss is not aware of any important advantages of the Phenom II X4 955 vs the FX 8140.

Front view of AMD FX 8140

Reasons to consider the
AMD FX 8140

Report a correction

CPUBoss is not aware of any important advantages of the FX 8140 vs the Phenom II X4 955.

Benchmarks Real world tests of Phenom II X4 955 vs FX 8140

Cinebench R11.5

Cinebench R11.5 (Single Core)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X4 955  vs
FX 8140 
Clock speed 3.2 GHz 3.2 GHz
Cores Quad core Octa core
Socket type
AM3
AM3+
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
ABM
CLMUL
AMD64
SSE4.1
FMA4
SSE4.2
CVT16
AMD-V
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

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 1.83 pt/W
Typical power consumption 101.56W 77.19W

details

Phenom II X4 955  vs
FX 8140 
Architecture x86-64 x86-64
Threads 4 8
L2 cache 2 MB 8 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 6 MB 8 MB
L3 cache per core 1.5 MB/core 1 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Voltage range 0.88 - 1.5V 0.78 - 1.43V

overclocking

Overclocked clock speed 3.99 GHz 3.2 GHz
Overclocked clock speed (Water) 4.14 GHz 3.2 GHz
Overclocked clock speed (Air) 3.99 GHz 3.2 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 2,600 MHz
AMD Phenom II X4 955
Report a correction
AMD FX 8140
Report a correction

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