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Intel Core i7 6820HQ

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 Front view of Intel Core i7 6820HQ
Front view of Intel Core i7 6700HQ

Intel Core i7 6700HQ

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Differences What are the advantages of each

Front view of Intel Core i7 6820HQ

Reasons to consider the
Intel Core i7 6820HQ

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Much better 3DMark06 CPU score 67.6 vs 66 Almost the same
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Slightly more l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Better CompuBench 1.5 video composition score 17.26 fps vs 11.26 fps Around 55% better CompuBench 1.5 video composition score
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 i7 6700HQ

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Intel Core i7 6700HQ

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Better performance per dollar 0.62 pt/$ vs 0.53 pt/$ More than 15% better performance per dollar
Better performance per watt 5.19 pt/W vs 4.46 pt/W More than 15% better performance per watt
Better overclocked clock speed (Water) 3.5 GHz vs 2.7 GHz Around 30% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i7 6820HQ vs 6700HQ

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 6820HQ
30.97 mHash/s
Core i7 6700HQ
27.32 mHash/s

CompuBench 1.5 (Face detection)

Core i7 6820HQ
25.95 mPixels/s
Core i7 6700HQ
21.48 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 6820HQ
-1 fps
Core i7 6700HQ
1.48 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 6820HQ
8,200
Core i7 6700HQ
11,926

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 6820HQ
3,070.5
Core i7 6700HQ
3,066

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6820HQ
4,205 MB/s
Core i7 6700HQ
4,040 MB/s

PassMark Data courtesy Passmark

Core i7 6820HQ
8,793
Core i7 6700HQ
8,134

PassMark (Single Core)

Core i7 6820HQ
1,886
Core i7 6700HQ
1,802

Specifications Full list of technical specs

summary

 Core i7 6820HQ  vs
6700HQ 
Clock speed 2.7 GHz 2.6 GHz
Turbo clock speed 3.6 GHz 3.5 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 45W 45W
Annual home energy cost 10.84 $/year 10.84 $/year
Annual commercial energy cost 39.42 $/year 39.42 $/year
Performance per watt 4.46 pt/W 5.19 pt/W
Typical power consumption 36.56W 36.56W

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

details

 Core i7 6820HQ  vs
6700HQ 
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 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 14 nm 14 nm
Max CPUs 1 1

overclocking
Overclocked clock speed 3.54 GHz 3.51 GHz
Overclocked clock speed (Water) 2.7 GHz 3.5 GHz
Overclocked clock speed (Air) 3.54 GHz 3.51 GHz

integrated graphics
GPU GPU GPU
Label Intel® HD Graphics 530 Intel® HD Graphics 530
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,050 MHz 1,050 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 6820HQ
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Intel Core i7 6700HQ
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