CPUBoss Review Our evaluation of 5Y71 vs 5Y70 among laptop CPUs (up to 15W)

Performance

Benchmark performance using all cores
Core M 5Y71
8.1
Core M 5Y70
7.7
Core i7 4500U
6.1
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Core M 5Y71
8.8
Core M 5Y70
8.5
Core i7 4500U
9.4
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Core M 5Y71
n.d.
Core M 5Y70
n.d.
Core i7 4500U
5.3
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Core M 5Y71
7.9
Core M 5Y70
7.1
Core i7 4500U
8.3
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Core M 5Y71
10.0
Core M 5Y70
9.5
Core i7 4500U
5.2
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Core M 5Y71
n.d.
Core M 5Y70
5.7
Core i7 4500U
5.3
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more
10

CPUBoss Score

Combination of all six facets
Core M 5Y71
10.0
Core M 5Y70
8.1
Core i7 4500U
6.0

Winner
Intel Core M 5Y71 

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

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Intel Core M 5Y71

Front view of Intel Core M 5Y71
Front view of Intel Core M 5Y70

Intel Core M 5Y70

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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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CPUBoss is not aware of any important advantages of the 5Y71 vs the 5Y70.
Front view of Intel Core M 5Y70

Reasons to consider the
Intel Core M 5Y70

Report a correction

CPUBoss is not aware of any important advantages of the 5Y70 vs the 5Y71.

Benchmarks Real world tests of Core M 5Y71 vs 5Y70

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core M 5Y71
21.1 mHash/s
Core M 5Y70
13 mHash/s

CompuBench 1.5 (Face detection)

Core M 5Y71
11.63 mPixels/s
Core M 5Y70
8.8 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core M 5Y71
0.72 fps
Core M 5Y70
0.69 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core M 5Y71
4,320
Core M 5Y70
3,647

GeekBench 3 (Single core) Data courtesy Primate Labs

Core M 5Y71
2,395
Core M 5Y70
2,158

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core M 5Y71
3,630,000 MB/s
Core M 5Y70
3,425,000 MB/s

PassMark Data courtesy Passmark

Core M 5Y71
3,032
Core M 5Y70
3,021

PassMark (Single Core)

Core M 5Y71
1,273
Core M 5Y70
1,237

Specifications Full list of technical specs

summary

 Core M 5Y71  vs
5Y70 
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 Yes
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 188.62 pt/W
Typical power consumption 3.66W 3.66W

bus
Architecture FSB FSB
Number of links 1 1

details

 Core M 5Y71  vs
5Y70 
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 2.37 GHz
Overclocked clock speed (Water) 1.2 GHz 1.1 GHz
Overclocked clock speed (Air) 2.52 GHz 2.37 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 100 MHz
Turbo clock speed 900 MHz 850 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 5Y70
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Comments

Showing 1 comment.
King Jaffe Joffer (04:31 PM, June 6, 2015)
These results make no sense unless over heating on the higher clocked part was causing it to be throttled more severely on some of the tests
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