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Differences What are the advantages of each

Front view of Intel Core i7 640M

Reasons to consider the
Intel Core i7 640M

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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 higher GPU clock speed 500 MHz vs 300 MHz More than 65% higher GPU clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
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) 3.37 GHz vs 2.7 GHz Around 25% better overclocked clock speed (Air)
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Front view of Intel Core i3 6167U

Reasons to consider the
Intel Core i3 6167U

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Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better turbo clock speed 1,000 MHz vs 766 MHz More than 30% better turbo clock speed
More number of displays supported 3 vs 2 1 more number of displays supported
Newer Jul, 2015 vs Sep, 2010 Release date over 4 years later
Lower typical power consumption 22.75W vs 28.44W 20% lower typical power consumption
Lower annual home energy cost 6.75 $/year vs 8.43 $/year 20% lower annual home energy cost
Lower annual commercial energy cost 24.53 $/year vs 30.66 $/year More than 20% lower annual commercial energy cost

Features Key features of the Core i7 640M  vs i3 6167U 

clock speed

Core i7 640M
2.8 GHz
Core i3 6167U
2.7 GHz

L2 cache

L3 cache

gpu clock speed

Core i7 640M
500 MHz
Core i3 6167U
300 MHz

overclocked clock speed (air)

Core i7 640M
3.37 GHz
Core i3 6167U
2.7 GHz

overclocked clock speed (water)

Core i7 640M
2.8 GHz
Core i3 6167U
2.7 GHz

Specifications Full list of technical specs

summary

Core i7 640M  vs
i3 6167U 
Clock speed 2.8 GHz 2.7 GHz
Cores Dual core Dual core
Is unlocked No No

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 35W 28W
Annual home energy cost 8.43 $/year 6.75 $/year
Annual commercial energy cost 30.66 $/year 24.53 $/year
Typical power consumption 28.44W 22.75W

bus

Architecture DMI FSB
Number of links 1 1
Transfer rate 2,500 MT/s 4,000 MT/s

details

Core i7 640M  vs
i3 6167U 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 4 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.37 GHz 2.7 GHz
Overclocked clock speed (Water) 2.8 GHz 2.7 GHz
Overclocked clock speed (Air) 3.37 GHz 2.7 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® Iris™ Graphics 550
Number of displays supported 2 3
GPU clock speed 500 MHz 300 MHz
Turbo clock speed 766 MHz 1,000 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3L-1600
DDR3-1066
DDR3
DDR3-800
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 17,066.66 MB/s 29,866.66 MB/s
Maximum memory size 8,192 MB 32,768 MB
Intel Core i7 640M
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Intel Core i3 6167U
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