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Differences What are the advantages of each

Front view of Intel Core i7 4940MX

Reasons to consider the
Intel Core i7 4940MX

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Front view of Intel Core i7 4850EQ

Reasons to consider the
Intel Core i7 4850EQ

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CPUBoss is not aware of any important advantages of the 4850EQ vs the 4940MX Extreme Edition.

Benchmarks Real world tests of Core i7 4940MX vs 4850EQ

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 4940MX
4,740,000 MB/s
Core i7 4850EQ
4,180,000 MB/s

Specifications Full list of technical specs

summary

Core i7 4940MX  vs
4850EQ 
Clock speed 3.1 GHz 1.6 GHz
Turbo clock speed 4 GHz 3.2 GHz
Cores Quad core Quad core
Is unlocked Yes 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

memory controller

Memory controller Built-in Built-in
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum memory size 32,768 MB 32,768 MB

details

Core i7 4940MX  vs
4850EQ 
Architecture x86-64 x86-64
Threads 8 8
Manufacture process 22 nm 22 nm
Max CPUs 1 1

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4600 Intel® Iris™ Pro graphics 5200
Number of displays supported 3 3
GPU clock speed 400 MHz 650 MHz
Turbo clock speed 1,350 MHz 1,000 MHz

power consumption

TDP 57W 47W
Annual home energy cost 13.73 $/year 11.32 $/year
Performance per watt 23.59 pt/W 54.18 pt/W
Typical power consumption 46.31W 38.19W

bus

Architecture DMI 2.0 DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Core i7 4940MX
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Intel Core i7 4850EQ
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