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Differences What are the advantages of each

Front view of Intel Celeron N2840

Reasons to consider the
Intel Celeron N2840

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CPUBoss is not aware of any important advantages of the Intel Celeron N2840 vs the AMD A4 Micro 6400T.

Front view of AMD A4 Micro 6400T

Reasons to consider the
AMD A4 Micro 6400T

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CPUBoss is not aware of any important advantages of the AMD A4 Micro 6400T vs the Intel Celeron N2840.

Benchmarks Real world tests of Celeron N2840 vs A4 Micro 6400T

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

Celeron N2840
60,300 MB/s
A4 Micro 6400T
801.9 MB/s

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron N2840  vs
A4 Micro 6400T 
Clock speed 2.16 GHz 1 GHz
Turbo clock speed 2.58 GHz 1.6 GHz
Cores Dual core Quad core
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Supports dynamic frequency scaling Yes Yes

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Radeon R3 series
GPU clock speed 311 MHz 350 MHz
Turbo clock speed 792 MHz 350 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
DDR3L-1333

details

Celeron N2840  vs
A4 Micro 6400T 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 22 nm 28 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.58 GHz 1.6 GHz
Overclocked clock speed (Water) 2.17 GHz 1.6 GHz
Overclocked clock speed (Air) 2.58 GHz 1.6 GHz

power consumption

TDP 7.5W 4.5W
Annual home energy cost 1.81 $/year 1.08 $/year
Performance per watt 7.05 pt/W 11.57 pt/W
Typical power consumption 6.09W 3.66W
Intel Celeron N2840
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AMD A4 Micro 6400T
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Comments

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How is it too close to call? whatever...
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