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Differences What are the advantages of each

Front view of Intel Core i7 6820EQ

Reasons to consider the
Intel Core i7 6820EQ

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Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
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
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Newer Oct, 2015 vs Apr, 2013 Release date over 2 years later
Front view of Intel Core i7 4800MQ

Reasons to consider the
Intel Core i7 4800MQ

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Much better performance per dollar 1.97 pt/$ vs 0.76 pt/$ More than 2.5x better performance per dollar
Much better turbo clock speed 1,300 MHz vs 1,000 MHz 30% better turbo clock speed
Much better performance per watt 17.18 pt/W vs 6.37 pt/W Around 2.8x better performance per watt
Slightly higher turbo clock speed 3.7 GHz vs 3.5 GHz More than 5% higher turbo clock speed
Significantly better overclocked clock speed (Air) 3.87 GHz vs 2.8 GHz Around 40% better overclocked clock speed (Air)
Higher GPU clock speed 400 MHz vs 350 MHz Around 15% higher GPU clock speed

Benchmarks Real world tests of Core i7 6820EQ vs 4800MQ

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 6820EQ  vs
4800MQ 
Clock speed 2.8 GHz 2.7 GHz
Turbo clock speed 3.5 GHz 3.7 GHz
Cores Quad core Quad core
Is unlocked No No

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 45W 47W
Annual home energy cost 10.84 $/year 11.32 $/year
Annual commercial energy cost 39.42 $/year 41.17 $/year
Performance per watt 6.37 pt/W 17.18 pt/W
Typical power consumption 36.56W 38.19W

bus

Architecture FSB DMI 2.0
Number of links 1 1
Transfer rate 8,000 MT/s 5,000 MT/s

details

Core i7 6820EQ  vs
4800MQ 
Architecture x86-64 x86-64
Threads 8 8
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 14 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.8 GHz 3.87 GHz
Overclocked clock speed (Water) 2.8 GHz 2.7 GHz
Overclocked clock speed (Air) 2.8 GHz 3.87 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 530 Intel® HD Graphics 4600
Number of displays supported 3 3
GPU clock speed 350 MHz 400 MHz
Turbo clock speed 1,000 MHz 1,300 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3L-1333
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Intel Core i7 6820EQ
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Intel Core i7 4800MQ
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