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Differences What are the advantages of each

Front view of Intel Celeron G1840

Reasons to consider the
Intel Celeron G1840

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Much more l3 cache 2 MB vs None Compared to all cpus, 2 MB l3 cache is just OK
Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 43.06W vs 52.81W Around 20% lower typical power consumption
Higher Maximum operating temperature 72 °C vs 70 °C Around 5% higher Maximum operating temperature
Lower annual commercial energy cost 46.43 $/year vs 56.94 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 12.77 $/year vs 15.66 $/year Around 20% lower annual home energy cost
Front view of AMD A6 6420B

Reasons to consider the
AMD A6 6420B

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Much higher clock speed 4 GHz vs 2.8 GHz Around 45% higher clock speed
Much more l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core

Benchmarks Real world tests of Celeron G1840 vs A6 6420B

PassMark Data courtesy Passmark

A6 6420B
2,612

PassMark (Single Core)

A6 6420B
1,580

Specifications Full list of technical specs

summary

Celeron G1840  vs
A6 6420B 
Clock speed 2.8 GHz 4 GHz
Cores Dual core Dual core
Is unlocked No No

features

Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
FMA4
SSE4.2
Supplemental SSE3
AES

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1333
DDR3L-1333

details

Celeron G1840  vs
A6 6420B 
Threads 2 2
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 2 MB None
Manufacture process 22 nm 32 nm
Operating temperature Unknown - 72°C Unknown - 70°C

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Radeon™ HD 8470D
GPU clock speed 350 MHz 800 MHz

power consumption

TDP 53W 65W
Annual home energy cost 12.77 $/year 15.66 $/year
Annual commercial energy cost 46.43 $/year 56.94 $/year
Performance per watt 2.76 pt/W 2.18 pt/W
Typical power consumption 43.06W 52.81W
Intel Celeron G1840
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AMD A6 6420B
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