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Differences What are the advantages of each

Front view of Intel Core i5 2520M

Reasons to consider the
Intel Core i5 2520M

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Celeron 2980U

Reasons to consider the
Intel Celeron 2980U

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CPUBoss is not aware of any important advantages of the Celeron 2980U vs the Core i5 2520M.

Benchmarks Real world tests of Core i5 2520M vs Celeron 2980U

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 2520M  vs
Celeron 2980U 
Clock speed 2.5 GHz 1.6 GHz
Cores Dual core Dual core
Socket type
rPGA 988B
BGA 1168
Is unlocked No No

features

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

power consumption

TDP 35W 15W
Annual home energy cost 8.43 $/year 3.61 $/year
Performance per watt 20.44 pt/W 5.6 pt/W
Typical power consumption 28.44W 12.19W

bus

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

details

Core i5 2520M  vs
Celeron 2980U 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 3 MB 2 MB
L3 cache per core 1.5 MB/core 1 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1
Clock multiplier 25 16

overclocking

Overclocked clock speed 3.05 GHz 1.6 GHz
Overclocked clock speed (Water) 2.5 GHz 1.6 GHz
Overclocked clock speed (Air) 3.05 GHz 1.6 GHz

integrated graphics

GPU GPU GPU
Label HD Graphics 3000 HD (Haswell)
Number of displays supported 2 3
GPU clock speed 650 MHz 200 MHz
Turbo clock speed 1,300 MHz 1,000 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 25,600 MB/s
Maximum memory size 16,384 MB 16,384 MB
Intel Core i5 2520M
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Intel Celeron 2980U
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