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Differences What are the advantages of each

Front view of Intel Core i5 520UM

Reasons to consider the
Intel Core i5 520UM

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core i3 330UM

Reasons to consider the
Intel Core i3 330UM

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CPUBoss is not aware of any important advantages of the Core i3 330UM vs the Core i5 520UM.

Benchmarks Real world tests of Core i5 520UM vs i3 330UM

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 520UM
765,150 MB/s
Core i3 330UM
50,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 520UM  vs
i3 330UM 
Clock speed 1.07 GHz 1.2 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 No
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
Performance per watt 17.43 pt/W 3.15 pt/W
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 520UM  vs
i3 330UM 
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 8 9

overclocking

Overclocked clock speed 1.07 GHz 1.27 GHz
Overclocked clock speed (Water) 1.07 GHz 1.2 GHz
Overclocked clock speed (Air) 1.07 GHz 1.27 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 520UM
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Intel Core i3 330UM
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