CPUBoss Review Our evaluation of 5Y71 vs 5Y51 among laptop CPUs (up to 15W)

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

10

CPUBoss Score

Combination of all six facets

Winner
Intel Core M 5Y71 

CPUBoss recommends the Intel Core M 5Y71  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Core M 5Y71

Reasons to consider the
Intel Core M 5Y71

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core M 5Y51

Reasons to consider the
Intel Core M 5Y51

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CPUBoss is not aware of any important advantages of the 5Y51 vs the 5Y71.

Benchmarks Real world tests of Core M 5Y71 vs 5Y51

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core M 5Y71
21.1 mHash/s
Core M 5Y51
19.76 mHash/s

CompuBench 1.5 (Face detection)

Core M 5Y71
11.63 mPixels/s
Core M 5Y51
12.04 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core M 5Y71
0.72 fps
Core M 5Y51
-1 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core M 5Y71
4,320
Core M 5Y51
4,486

GeekBench 3 (Single core) Data courtesy Primate Labs

Core M 5Y71
2,395
Core M 5Y51
2,344

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core M 5Y71
3,630,000 MB/s
Core M 5Y51
3,190,000 MB/s

PassMark Data courtesy Passmark

Core M 5Y71
3,032
Core M 5Y51
2,551

PassMark (Single Core)

Core M 5Y71
1,273
Core M 5Y51
1,089

Specifications Full list of technical specs

summary

Core M 5Y71  vs
5Y51 
Clock speed 1.2 GHz 1.1 GHz
Turbo clock speed 2.9 GHz 2.6 GHz
Cores Dual core Dual core

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
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 4.5W 4.5W
Annual home energy cost 1.08 $/year 1.08 $/year
Performance per watt 213.68 pt/W 184.7 pt/W
Typical power consumption 3.66W 3.66W

bus

Architecture FSB FSB
Number of links 1 1

details

Core M 5Y71  vs
5Y51 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 4 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 14 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.52 GHz 2.19 GHz
Overclocked clock speed (Water) 1.2 GHz 1.1 GHz
Overclocked clock speed (Air) 2.52 GHz 2.19 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 5300 Intel® HD Graphics 5300
Number of displays supported 3 3
GPU clock speed 300 MHz 300 MHz
Turbo clock speed 900 MHz 900 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 12,800 MB/s
Maximum memory size 16,384 MB 16,384 MB
Intel Core M 5Y71
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Intel Core M 5Y51
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