CPUBoss Review Our evaluation of 3555LE vs 3520M among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

8

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 3520M 

CPUBoss recommends the Intel Core i7 3520M  based on its performance, single-core performance and value.

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VS

Differences What are the advantages of each

Front view of Intel Core i7 3555LE

Reasons to consider the
Intel Core i7 3555LE

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Lower typical power consumption 20.31W vs 28.44W Around 30% lower typical power consumption
Lower annual commercial energy cost 21.9 $/year vs 30.66 $/year Around 30% lower annual commercial energy cost
Lower annual home energy cost 6.02 $/year vs 8.43 $/year Around 30% lower annual home energy cost
Front view of Intel Core i7 3520M

Reasons to consider the
Intel Core i7 3520M

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Much better CompuBench 1.5 face detection score 8.43 mPixels/s vs 3.86 mPixels/s Around 2.2x better CompuBench 1.5 face detection score
Higher clock speed 2.9 GHz vs 2.5 GHz More than 15% higher clock speed
Higher turbo clock speed 3.6 GHz vs 3.2 GHz More than 10% higher turbo clock speed
Much better performance per dollar 1.43 pt/$ vs 0.36 pt/$ More than 4x better performance per dollar
Much better turbo clock speed 1,250 MHz vs 1,000 MHz 25% better turbo clock speed
Much better performance per watt 14.13 pt/W vs 4.96 pt/W More than 2.8x better performance per watt
Higher GPU clock speed 650 MHz vs 550 MHz Around 20% higher GPU clock speed
Better geekbench 3 Multi-Core score 6,089 vs 5,348 Around 15% better geekbench 3 Multi-Core score
Better overclocked clock speed (Air) 3.31 GHz vs 2.99 GHz More than 10% better overclocked clock speed (Air)
Slightly better PassMark (Single core) score 1,783 vs 1,643 Around 10% better PassMark (Single core) score
Better overclocked clock speed (Water) 2.9 GHz vs 2.5 GHz More than 15% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i7 3555LE vs 3520M

CompuBench 1.5 (Face detection)

Core i7 3555LE
3.86 mPixels/s
Core i7 3520M
8.43 mPixels/s

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Core i7 3555LE
73.65 fps
Core i7 3520M
123.07 fps

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 3555LE
0.78 fps
Core i7 3520M
0.94 fps

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 i7 3555LE
2,090 MB/s
Core i7 3520M
2,440,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 3555LE  vs
3520M 
Clock speed 2.5 GHz 2.9 GHz
Turbo clock speed 3.2 GHz 3.6 GHz
Cores Dual core Dual core
Socket type
BGA 1023
rPGA 988B
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
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 25W 35W
Annual home energy cost 6.02 $/year 8.43 $/year
Annual commercial energy cost 21.9 $/year 30.66 $/year
Performance per watt 4.96 pt/W 14.13 pt/W
Typical power consumption 20.31W 28.44W

bus

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

details

Core i7 3555LE  vs
3520M 
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 4 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Clock multiplier 25 29
Operating temperature Unknown - 105°C Unknown - 105°C

overclocking

Overclocked clock speed 2.99 GHz 3.31 GHz
Overclocked clock speed (Water) 2.5 GHz 2.9 GHz
Overclocked clock speed (Air) 2.99 GHz 3.31 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4000 Intel® HD Graphics 4000
Latest DirectX 10.x 10.x
Number of displays supported 3 3
GPU clock speed 550 MHz 650 MHz
Turbo clock speed 1,000 MHz 1,250 MHz
3DMark06 5,344.5 5,344.5

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3L-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 12,800 MB/s 25,600 MB/s
Maximum memory size 16,384 MB 32,768 MB
Intel Core i7 3555LE
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Intel Core i7 3520M
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