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Differences What are the advantages of each

Front view of AMD A6 3500

Reasons to consider the
AMD A6 3500

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Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 3 vs 2 1 more cores; run more applications at once
More threads 3 vs 2 1 more threads
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Higher Maximum operating temperature 70.9 °C vs 70 °C Almost the same
Front view of AMD A4 4000

Reasons to consider the
AMD A4 4000

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Much higher clock speed 3 GHz vs 2.1 GHz Around 45% higher clock speed
Much better PassMark (Single core) score 1,103 vs 748 More than 45% better PassMark (Single core) score
Much better overclocked clock speed (Air) 4.02 GHz vs 3.34 GHz More than 20% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.49 GHz vs 2.1 GHz More than 65% better overclocked clock speed (Water)
Newer May, 2013 vs Aug, 2011 Release date over 1 years later

Benchmarks Real world tests of A6 3500 vs A4 4000

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

A6 3500
26.89 mHash/s
A4 4000
20.49 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

A6 3500
0.31 fps
A4 4000
0.38 fps

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

A6 3500
1,978
A4 4000
1,875

Sky Diver Data courtesy FutureMark

A6 3500
1,654
A4 4000
1,282

Cloud Gate Data courtesy FutureMark

A6 3500
3,254
A4 4000
2,076

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A6 3500
3,139
A4 4000
2,519

GeekBench 3 (Single core) Data courtesy Primate Labs

A6 3500
1,217
A4 4000
1,622

GeekBench 3 (AES single core) Data courtesy Primate Labs

A6 3500
94.7 MB/s
A4 4000
1,830,000 MB/s

Specifications Full list of technical specs

summary

A6 3500  vs
A4 4000 
Clock speed 2.1 GHz 3 GHz
Turbo clock speed 2.4 GHz 3 GHz
Cores Tri core Dual core
Is unlocked No No

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
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
3DNow!
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 1.62 pt/W 5.4 pt/W
Typical power consumption 52.81W 52.81W

details

A6 3500  vs
A4 4000 
Architecture x86-64 x86-64
Threads 3 2
L2 cache 3 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Voltage range 0.91 - 1.41V 0.8 - 1.45V
Operating temperature Unknown - 70.9°C Unknown - 70°C

overclocking

Overclocked clock speed 3.34 GHz 4.02 GHz
Overclocked clock speed (Water) 2.1 GHz 3.49 GHz
PassMark (Overclocked) 1,783.9 1,069.1
Overclocked clock speed (Air) 3.34 GHz 4.02 GHz

integrated graphics

GPU GPU GPU
Label Radeon™ HD 6530D Radeon™ HD 7480D
Latest DirectX 11.0 11.0
GPU clock speed 443 MHz 720 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1333
AMD A6 3500
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AMD A4 4000
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