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Differences What are the advantages of each

Front view of Intel Celeron 2980U

Reasons to consider the
Intel Celeron 2980U

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Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Front view of Intel Atom D525

Reasons to consider the
Intel Atom D525

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking

Benchmarks Real world tests of Celeron 2980U vs Atom D525

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron 2980U  vs
Atom D525 
Clock speed 1.6 GHz 1.8 GHz
Cores Dual core Dual core
Is unlocked No Yes

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes No
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes No

power consumption

TDP 15W 13W
Annual home energy cost 3.61 $/year 3.13 $/year
Performance per watt 5.6 pt/W 2.62 pt/W
Typical power consumption 12.19W 10.56W

bus

Architecture DMI 2.0 DMI
Number of links 1 1
Transfer rate 5,000 MT/s 2,500 MT/s

details

Celeron 2980U  vs
Atom D525 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.6 GHz 2.12 GHz
Overclocked clock speed (Water) 1.6 GHz 1.8 GHz
Overclocked clock speed (Air) 1.6 GHz 2.12 GHz

integrated graphics

GPU GPU GPU
Label HD (Haswell) Integrated

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3
DDR3-800
DDR2-800
DDR2-667
DDR2
Channels Dual Channel Single Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 6,400 MB/s
Maximum memory size 16,384 MB 4,096 MB
Intel Celeron 2980U
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Intel Atom D525
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