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Front view of Intel Core i7 3920XM

Intel Core i7 3920XM

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core i7 6700HQ

Reasons to consider the
Intel Core i7 6700HQ

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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
Newer Jul, 2015 vs Apr, 2012 Release date over 3 years later
Front view of Intel Core i7 3920XM

Reasons to consider the
Intel Core i7 3920XM

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher GPU clock speed 650 MHz vs 350 MHz More than 85% higher GPU clock speed
Higher turbo clock speed 3.8 GHz vs 3.5 GHz Around 10% higher turbo clock speed
Higher clock speed 2.9 GHz vs 2.6 GHz More than 10% higher clock speed
Much better performance per watt 17.81 pt/W vs 5.41 pt/W More than 3.2x better performance per watt
Significantly better turbo clock speed 1,300 MHz vs 1,050 MHz Around 25% better turbo clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Better performance per dollar 0.89 pt/$ vs 0.64 pt/$ Around 40% better performance per dollar
Better PassMark (Single core) score 1,983 vs 1,802 More than 10% better PassMark (Single core) score
Better overclocked clock speed (Air) 4.47 GHz vs 3.5 GHz Around 30% better overclocked clock speed (Air)

Benchmarks Real world tests of Core i7 6700HQ vs 3920XM

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6700HQ
4,040 MB/s
Core i7 3920XM
2,620,000 MB/s

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 6700HQ  vs
3920XM 
Clock speed 2.6 GHz 2.9 GHz
Turbo clock speed 3.5 GHz 3.8 GHz
Cores Quad core Quad core
Is unlocked No Yes

features

Has a NX bit Yes Yes
Supports trusted computing No 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 55W
Annual home energy cost 10.84 $/year 13.25 $/year
Annual commercial energy cost 39.42 $/year 48.18 $/year
Performance per watt 5.41 pt/W 17.81 pt/W
Typical power consumption 36.56W 44.69W

bus

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

details

Core i7 6700HQ  vs
3920XM 
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 6 MB 8 MB
L3 cache per core 1.5 MB/core 2 MB/core
Manufacture process 14 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.5 GHz 4.47 GHz
Overclocked clock speed (Water) 3.5 GHz 2.9 GHz
Overclocked clock speed (Air) 3.5 GHz 4.47 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 530 Intel® HD Graphics 4000
Number of displays supported 3 3
GPU clock speed 350 MHz 650 MHz
Turbo clock speed 1,050 MHz 1,300 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3L-1333
DDR3RS-1333
DDR3RS-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 32,768 MB
Intel Core i7 6700HQ
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Intel Core i7 3920XM
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