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Differences What are the advantages of each

Front view of Intel Core i7 6600U

Reasons to consider the
Intel Core i7 6600U

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Much better 3DMark06 CPU score 50.8 vs 36.7 Around 40% better 3DMark06 CPU score
Much higher clock speed 2.6 GHz vs 1.1 GHz More than 2.2x higher clock speed
Higher turbo clock speed 3.4 GHz vs 2.7 GHz More than 25% higher turbo clock speed
Much better CompuBench 1.5 T-Rex score 1.49 fps vs 0.82 fps More than 80% better CompuBench 1.5 T-Rex score
Much better geekbench 3 Multi-Core score 7,104 vs 1,299 Around 5.5x better geekbench 3 Multi-Core score
Significantly better turbo clock speed 1,050 MHz vs 900 MHz More than 15% better turbo clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better PassMark (Single core) score 1,817 vs 1,322 More than 35% better PassMark (Single core) score
Significantly better overclocked clock speed (Air) 3.4 GHz vs 2.6 GHz More than 30% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.4 GHz vs 1.1 GHz More than 3x better overclocked clock speed (Water)
Better performance per dollar 0.5 pt/$ vs 0.4 pt/$ More than 25% better performance per dollar
Front view of Intel Core M5-6Y54

Reasons to consider the
Intel Core M5-6Y54

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much better performance per watt 24.92 pt/W vs 13.12 pt/W Around 90% better performance per watt
Lower typical power consumption 3.66W vs 12.19W 3.3x lower typical power consumption
Lower annual home energy cost 1.08 $/year vs 3.61 $/year 3.3x lower annual home energy cost
Lower annual commercial energy cost 3.94 $/year vs 13.14 $/year 3.3x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 6600U vs M5-6Y54

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 6600U
27.11 mHash/s
Core M5-6Y54
22.62 mHash/s

CompuBench 1.5 (Face detection)

Core i7 6600U
21.61 mPixels/s
Core M5-6Y54
16.95 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 6600U
1.49 fps
Core M5-6Y54
0.82 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 6600U
3,336.5
Core M5-6Y54
1,355

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6600U
2,565 MB/s
Core M5-6Y54
800 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 6600U  vs
M5-6Y54 
Clock speed 2.6 GHz 1.1 GHz
Turbo clock speed 3.4 GHz 2.7 GHz
Cores Dual core Dual core
Is unlocked No Yes

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 15W 4.5W
Annual home energy cost 3.61 $/year 1.08 $/year
Annual commercial energy cost 13.14 $/year 3.94 $/year
Performance per watt 13.12 pt/W 24.92 pt/W
Typical power consumption 12.19W 3.66W

bus

Architecture FSB FSB
Number of links 1 1
Transfer rate 4,000 MT/s 4,000 MT/s

details

Core i7 6600U  vs
M5-6Y54 
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 3.4 GHz 2.6 GHz
Overclocked clock speed (Water) 3.4 GHz 1.1 GHz
Overclocked clock speed (Air) 3.4 GHz 2.6 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 520 Intel® HD Graphics 515
Number of displays supported 3 3
GPU clock speed 300 MHz 300 MHz
Turbo clock speed 1,050 MHz 900 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 16,384 MB
Intel Core i7 6600U
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Intel Core M5-6Y54
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