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Differences What are the advantages of each

Front view of Intel Core i7 6700

Reasons to consider the
Intel Core i7 6700

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Higher clock speed 3.4 GHz vs 2.7 GHz More than 25% higher clock speed
Higher turbo clock speed 4 GHz vs 3.6 GHz More than 10% higher turbo clock speed
Significantly better turbo clock speed 1,150 MHz vs 1,000 MHz 15% better turbo clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly better overclocked clock speed (Air) 3.98 GHz vs 2.7 GHz More than 45% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.18 GHz vs 2.7 GHz Around 55% better overclocked clock speed (Water)
Front view of Intel 6870HQ

Reasons to consider the
Intel 6870HQ

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Lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost
Newer Jan, 2016 vs Jul, 2015 Release date 6 months later

Features Key features of the Core i7 6700  vs 6870HQ 

clock speed

Core i7 6700
3.4 GHz
6870HQ
2.7 GHz

turbo clock speed

Core i7 6700
4 GHz
6870HQ
3.6 GHz

L2 cache

6870HQ
1 MB

gpu clock speed

Core i7 6700
350 MHz
6870HQ
350 MHz

overclocked clock speed (air)

Core i7 6700
3.98 GHz
6870HQ
2.7 GHz

overclocked clock speed (water)

Core i7 6700
4.18 GHz
6870HQ
2.7 GHz

Specifications Full list of technical specs

summary

Core i7 6700  vs
6870HQ 
Clock speed 3.4 GHz 2.7 GHz
Turbo clock speed 4 GHz 3.6 GHz
Cores Quad core Quad 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 65W 45W
Annual home energy cost 15.66 $/year 10.84 $/year
Annual commercial energy cost 56.94 $/year 39.42 $/year
Typical power consumption 52.81W 36.56W

bus

Architecture FSB FSB
Number of links 1 1
Transfer rate 8,000 MT/s 8,000 MT/s

details

Core i7 6700  vs
6870HQ 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 8 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 3.98 GHz 2.7 GHz
Overclocked clock speed (Water) 4.18 GHz 2.7 GHz
Overclocked clock speed (Air) 3.98 GHz 2.7 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 530 Intel® Iris™ Pro Graphics 580
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,150 MHz 1,000 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 65,536 MB 65,536 MB
Intel Core i7 6700
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Intel 6870HQ
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