CPUBoss Review Our evaluation of 4980HQ vs 4940MX among laptop CPUs (over 15W)

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

8.9

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4940MX 

CPUBoss recommends the Intel Core i7 4940MX  based on its value.

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VS

Differences What are the advantages of each

Front view of Intel Core i7 4980HQ

Reasons to consider the
Intel Core i7 4980HQ

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Newer Jul, 2014 vs Jan, 2014 Release date 6 months later
Significantly lower typical power consumption 38.19W vs 46.31W Around 20% lower typical power consumption
Slightly better PassMark score 10,287 vs 9,918 Around 5% better PassMark score
Significantly lower annual home energy cost 11.32 $/year vs 13.73 $/year Around 20% lower annual home energy cost
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
Significantly 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
Higher clock speed 3.1 GHz vs 2.8 GHz More than 10% higher clock speed
Significantly higher GPU clock speed 400 MHz vs 200 MHz 2x higher GPU clock speed
Significantly better performance per dollar 4.7 pt/$ vs 2.17 pt/$ Around 2.2x better performance per dollar
Significantly more l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Better turbo clock speed 1,350 MHz vs 1,300 MHz Around 5% better turbo clock speed
Better geekbench 3 single core score 3,741 vs 3,555 More than 5% better geekbench 3 single core score

Benchmarks Real world tests of Core i7 4980HQ vs 4940MX

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 4980HQ
4,780,000 MB/s
Core i7 4940MX
4,740,000 MB/s

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4980HQ  vs
4940MX 
Clock speed 2.8 GHz 3.1 GHz
Turbo clock speed 4 GHz 4 GHz
Cores Quad core Quad core
Is unlocked No Yes

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
Memory type
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 12,800 MB/s
Maximum memory size 32,768 MB 32,768 MB

details

Core i7 4980HQ  vs
4940MX 
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 22 nm 22 nm
Max CPUs 1 1

integrated graphics

GPU GPU GPU
Label Intel® Iris™ Pro Graphics 5200 Intel® HD Graphics 4600
Number of displays supported 3 3
GPU clock speed 200 MHz 400 MHz
Turbo clock speed 1,300 MHz 1,350 MHz

power consumption

TDP 47W 57W
Annual home energy cost 11.32 $/year 13.73 $/year
Performance per watt 28.72 pt/W 32.93 pt/W
Typical power consumption 38.19W 46.31W

bus

Architecture DMI 2.0 DMI 2.0
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Core i7 4980HQ
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Intel Core i7 4940MX
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