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Differences What are the advantages of each

Front view of Intel Core i5 540UM

Reasons to consider the
Intel Core i5 540UM

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CPUBoss is not aware of any important advantages of the 540UM vs the 520UM.

Front view of Intel Core i5 520UM

Reasons to consider the
Intel Core i5 520UM

Report a correction

CPUBoss is not aware of any important advantages of the 520UM vs the 540UM.

Features Key features of the Core i5 540UM  vs 520UM 

clock speed

Core i5 540UM
1.2 GHz
Core i5 520UM
1.07 GHz

turbo clock speed

Core i5 520UM
1.87 GHz

L2 cache

gpu clock speed

Core i5 540UM
166 MHz
Core i5 520UM
166 MHz

overclocked clock speed (air)

Core i5 540UM
1.2 GHz
Core i5 520UM
1.07 GHz

overclocked clock speed (water)

Core i5 540UM
1.2 GHz
Core i5 520UM
1.07 GHz

Specifications Full list of technical specs

summary

Core i5 540UM  vs
520UM 
Clock speed 1.2 GHz 1.07 GHz
Turbo clock speed 2 GHz 1.87 GHz
Cores Dual core Dual core
Socket type
BGA 1288
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
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 18W 18W
Annual home energy cost 4.34 $/year 4.34 $/year
Typical power consumption 14.63W 14.63W

bus

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

details

Core i5 540UM  vs
520UM 
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
Transistor count 382,000,000 382,000,000
Max CPUs 1 1
Clock multiplier 9 8

overclocking

Overclocked clock speed 1.2 GHz 1.07 GHz
Overclocked clock speed (Water) 1.2 GHz 1.07 GHz
Overclocked clock speed (Air) 1.2 GHz 1.07 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics
Number of displays supported 2 2
GPU clock speed 166 MHz 166 MHz
Turbo clock speed 500 MHz 500 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-800
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 12,800 MB/s
Maximum memory size 8,192 MB 8,192 MB
Intel Core i5 540UM
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Intel Core i5 520UM
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