CPUBoss Review Our evaluation of 955 vs 4100 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

No winner declared

Too close to call

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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 4100.

Front view of AMD FX 4100

Reasons to consider the
AMD FX 4100

Report a correction

CPUBoss is not aware of any important advantages of the FX 4100 vs the Phenom II X4 955.

Benchmarks Real world tests of Phenom II X4 955 vs FX 4100

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
FX 4100
2,150,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Phenom II X4 955  vs FX 4100 

8.0
7.0

8.7
8.1

Overall

8.8 Out of 10
8.1 Out of 10

Specifications Full list of technical specs

summary

Phenom II X4 955  vs
FX 4100 
Clock speed 3.2 GHz 3.6 GHz
Cores Quad core Quad 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

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

details

Phenom II X4 955  vs
FX 4100 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 2 MB 4 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 2 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Voltage range 0.88 - 1.5V 1.14 - 1.55V
Operating temperature Unknown - 62°C Unknown - 70.5°C

overclocking

Overclock popularity 259 127
Overclock review score 4 4
Overclocked clock speed 3.99 GHz 4.66 GHz
Overclocked clock speed (Water) 4.14 GHz 4.99 GHz
PassMark (Overclocked) 3,674.7 2,972.7
Overclocked clock speed (Air) 3.99 GHz 4.66 GHz

power consumption

TDP 125W 95W
Annual home energy cost 30.11 $/year 34.18 $/year
Annual commercial energy cost 109.5 $/year 114.41 $/year
Performance per watt 1.28 pt/W 6.46 pt/W
Typical power consumption 101.56W N/A

bus

Clock speed 2,000 MHz 3,200 MHz
AMD Phenom II X4 955
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AMD FX 4100
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