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Intel Core i5 2520M

CPUBoss Winner
Front view of Intel Core i5 2520M

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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Much better performance per dollar 2.86 pt/$ vs 0.55 pt/$ Around 5.2x better performance per dollar
Much better performance per watt 20.44 pt/W vs 4.05 pt/W More than 5x better performance per watt
Significantly better turbo clock speed 1,300 MHz vs 1,100 MHz Around 20% better turbo clock speed
Better overclocked clock speed (Air) 3.05 GHz vs 2.5 GHz More than 20% better overclocked clock speed (Air)
Better PassMark (Single core) score 1,493 vs 1,321 Around 15% better PassMark (Single core) score
Front view of Intel Core i5 2515E

Reasons to consider the
Intel Core i5 2515E

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CPUBoss is not aware of any important advantages of the 2515E vs the 2520M.

Benchmarks Real world tests of Core i5 2520M vs 2515E

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 2520M  vs
2515E 
Clock speed 2.5 GHz 2.5 GHz
Turbo clock speed 3.2 GHz 3.1 GHz
Cores Dual core Dual core
Socket type
rPGA 988B
BGA 1023
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
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 35W
Annual home energy cost 8.43 $/year 8.43 $/year
Annual commercial energy cost 30.66 $/year 30.66 $/year
Performance per watt 20.44 pt/W 4.05 pt/W
Typical power consumption 28.44W 28.44W

bus

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

details

Core i5 2520M  vs
2515E 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 3 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 25 25
Operating temperature Unknown - 100°C Unknown - 100°C

overclocking

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

integrated graphics

GPU GPU GPU
Label HD Graphics 3000 Intel® HD Graphics 3000
Number of displays supported 2 2
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,300 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 16,384 MB 16,998.4 MB
Intel Core i5 2520M
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Intel Core i5 2515E
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