CPUBoss Review Our evaluation of 4200U vs 2520M


Benchmark performance using all cores

Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Power Consumption

How much power does the processor require?



How does CPUBoss rank the features of each product?

Features and specifications that differ between products

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Differences What are the advantages of each

Front view of Intel Core i5 4200U

Reasons to consider the
Intel Core i5 4200U

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Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More number of displays supported 3 vs 2 1 more number of displays supported
Significantly lower typical power consumption 12.19W vs 28.44W 2.3x lower typical power consumption
Newer Jul, 2013 vs Feb, 2011 Release date over 2 years later
Better PassMark (Overclocked) score 1,713.3 vs 1,230.7 Around 40% better PassMark (Overclocked) score
Better performance per watt 25.71 pt/W vs 13.11 pt/W More than 95% better performance per watt
Significantly lower annual home energy cost 3.61 $/year vs 8.43 $/year 2.3x lower annual home energy cost
Front view of Intel Core i5 2520M

Reasons to consider the
Intel Core i5 2520M

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Significantly higher clock speed 2.5 GHz vs 1.6 GHz More than 55% higher clock speed
Higher turbo clock speed 3.2 GHz vs 2.6 GHz Around 25% higher turbo clock speed
Much better performance per dollar 15.82 pt/$ vs 1.37 pt/$ More than 11.5x better performance per dollar
Much higher GPU clock speed 650 MHz vs 200 MHz 3.2x higher GPU 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
Significantly better turbo clock speed 1,300 MHz vs 1,000 MHz 30% better turbo clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly 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) 3.02 GHz vs 2.5 GHz More than 20% better overclocked clock speed (Air)

Benchmarks Real world tests of Core i5 4200U vs 2520M


3D Mark 11 (Physics)

Passmark (Single Core)

Specifications Full list of technical specs


Core i5 4200U  vs
Clock speed 1.6 GHz 2.5 GHz
Turbo clock speed 2.6 GHz 3.2 GHz
Cores Dual core Dual core
Is unlocked No No
Is hyperthreaded Yes Yes


Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 15W 35W
Annual home energy cost 3.61 $/year 8.43 $/year
Performance per watt 25.71 pt/W 13.11 pt/W
Typical power consumption 12.19W 28.44W


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


Core i5 4200U  vs
Architecture x86-64 x86-64
Threads 4 4
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 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 22 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 100°C Unknown - 100°C


Overclocked clock speed 2.5 GHz 3.02 GHz
Overclocked clock speed (Water) 2.6 GHz 2.5 GHz
PassMark (Overclocked) 1,713.3 1,230.7
Overclocked clock speed (Air) 2.5 GHz 3.02 GHz

integrated graphics

Label Intel® HD Graphics 4400 HD Graphics 3000
Number of displays supported 3 2
GPU clock speed 200 MHz 650 MHz
Turbo clock speed 1,000 MHz 1,300 MHz

memory controller

Memory controller Built-in Built-in
Memory type
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 16,384 MB 16,384 MB
Intel Core i5 4200U
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Intel Core i5 2520M
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