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Differences What are the advantages of each

Front view of AMD FX 4100

Reasons to consider the
AMD FX 4100

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Significantly higher clock speed 3.6 GHz vs 3.2 GHz More than 10% higher clock speed
Much better overclocked clock speed (Air) 4.66 GHz vs 4.21 GHz More than 10% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.99 GHz vs 3 GHz More than 65% better overclocked clock speed (Water)
Front view of AMD Athlon X4 740

Reasons to consider the
AMD Athlon X4 740

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Much lower annual home energy cost 15.66 $/year vs 34.18 $/year 2.2x lower annual home energy cost
Higher Maximum operating temperature 73 °C vs 70.5 °C Around 5% higher Maximum operating temperature
Much lower annual commercial energy cost 56.94 $/year vs 114.41 $/year 2x lower annual commercial energy cost
Newer Oct, 2012 vs Oct, 2011 Release date 11 months later

Benchmarks Real world tests of FX 4100 vs Athlon X4 740

GeekBench 3 (Multi-core) Data courtesy Primate Labs

FX 4100
5,176

GeekBench 3 (Single core) Data courtesy Primate Labs

FX 4100
1,827

GeekBench 3 (AES single core) Data courtesy Primate Labs

FX 4100
2,150,000 MB/s
Athlon X4 740
2,030,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

FX 4100
4,993

GeekBench

FX 4100
6,919

3D Mark 11 (Physics)

FX 4100
5,760

PassMark Data courtesy Passmark

FX 4100
4,051

PassMark (Single Core)

FX 4100
1,221

Specifications Full list of technical specs

summary

FX 4100  vs
Athlon X4 740 
Clock speed 3.6 GHz 3.2 GHz
Turbo clock speed 3.8 GHz 3.7 GHz
Cores Quad core Quad core
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
ABM
CLMUL
AMD64
SSE4.1
FMA4
SSE4.2
CVT16
AMD-V
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

bus

Clock speed 3,200 MHz 2,000 MHz

details

FX 4100  vs
Athlon X4 740 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 4 MB 4 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Transistor count 1,200,000,000 1,303,000,000
Max CPUs 1 1
Die size 319 mm² 246 mm²
Voltage range 1.14 - 1.55V 0.82 - 1.48V
Operating temperature Unknown - 70.5°C Unknown - 73°C

overclocking

Overclock popularity 127 13
Overclock review score 4 0
Overclocked clock speed 4.66 GHz 4.21 GHz
Overclocked clock speed (Water) 4.99 GHz 3 GHz
Overclocked clock speed (Air) 4.66 GHz 4.21 GHz

power consumption

TDP 95W 65W
Annual home energy cost 34.18 $/year 15.66 $/year
Annual commercial energy cost 114.41 $/year 56.94 $/year
Performance per watt 6.46 pt/W 12.36 pt/W
Typical power consumption N/A 52.81W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
AMD FX 4100
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AMD Athlon X4 740
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