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Front view of Intel Core i3 3217U

Intel Core i3 3217U

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core i5 520E

Reasons to consider the
Intel Core i5 520E

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Higher clock speed 2.4 GHz vs 1.8 GHz Around 35% higher clock speed
More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher GPU clock speed 500 MHz vs 350 MHz Around 45% higher GPU clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Better overclocked clock speed (Air) 2.4 GHz vs 1.8 GHz Around 35% better overclocked clock speed (Air)
Better geekbench 3 Multi-Core score 3,622 vs 3,037 Around 20% better geekbench 3 Multi-Core score
Better overclocked clock speed (Water) 2.4 GHz vs 1.8 GHz Around 35% better overclocked clock speed (Water)
Front view of Intel Core i3 3217U

Reasons to consider the
Intel Core i3 3217U

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Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better turbo clock speed 1,050 MHz vs 766 MHz More than 35% better turbo clock speed
Significantly better performance per watt 6.98 pt/W vs 2.48 pt/W More than 2.8x better performance per watt
More number of displays supported 3 vs 2 1 more number of displays supported
Lower typical power consumption 13.81W vs 28.44W 2.1x lower typical power consumption
Newer Jun, 2012 vs Jan, 2010 Release date over 2 years later
Better performance per dollar 0.53 pt/$ vs 0.41 pt/$ Around 30% better performance per dollar
Lower annual home energy cost 4.1 $/year vs 8.43 $/year 2.1x lower annual home energy cost
Lower annual commercial energy cost 14.89 $/year vs 30.66 $/year 2.1x lower annual commercial energy cost

Benchmarks Real world tests of Core i5 520E vs i3 3217U

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 520E
586.7 MB/s
Core i3 3217U
93,600 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 520E  vs
i3 3217U 
Clock speed 2.4 GHz 1.8 GHz
Cores Dual core Dual core
Socket type
BGA 1288
BGA 1023
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 17W
Annual home energy cost 8.43 $/year 4.1 $/year
Annual commercial energy cost 30.66 $/year 14.89 $/year
Performance per watt 2.48 pt/W 6.98 pt/W
Typical power consumption 28.44W 13.81W

bus

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

details

Core i5 520E  vs
i3 3217U 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 3 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1
Clock multiplier 18 18

overclocking

Overclocked clock speed 2.4 GHz 1.8 GHz
Overclocked clock speed (Water) 2.4 GHz 1.8 GHz
Overclocked clock speed (Air) 2.4 GHz 1.8 GHz

integrated graphics

GPU GPU GPU
Label Integrated Intel® HD Graphics 4000
Number of displays supported 2 3
GPU clock speed 500 MHz 350 MHz
Turbo clock speed 766 MHz 1,050 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3L-1333
DDR3RS-1600
DDR3RS-1333
DDR3
DDR3-800
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 17,066.66 MB/s 25,600 MB/s
Intel Core i5 520E
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Intel Core i3 3217U
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