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Differences What are the advantages of each

Front view of Intel Core i7 5950HQ

Reasons to consider the
Intel Core i7 5950HQ

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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
Significantly lower typical power consumption 38.19W vs 68.25W Around 45% lower typical power consumption
Slightly better PassMark score 10,951 vs 9,996 Around 10% better PassMark score
Significantly lower annual home energy cost 11.32 $/year vs 20.24 $/year Around 45% lower annual home energy cost
Significantly lower annual commercial energy cost 41.17 $/year vs 73.58 $/year Around 45% lower annual commercial energy cost
Newer Apr, 2015 vs May, 2014 Release date 11 months later
Front view of Intel Core i7 4790

Reasons to consider the
Intel Core i7 4790

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Much better 3DMark06 CPU score 70.7 vs 45.1 More than 55% better 3DMark06 CPU score
Higher clock speed 3.6 GHz vs 2.9 GHz Around 25% higher clock speed
Much better performance per dollar 2.97 pt/$ vs 0.56 pt/$ More than 5.2x better performance per dollar
Slightly higher turbo clock speed 4 GHz vs 3.8 GHz More than 5% higher turbo clock speed
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
Significantly better performance per watt 10.77 pt/W vs 7.46 pt/W Around 45% better performance per watt
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Better turbo clock speed 1,200 MHz vs 1,150 MHz Around 5% better turbo clock speed
Higher GPU clock speed 350 MHz vs 300 MHz More than 15% higher GPU clock speed

Benchmarks Real world tests of Core i7 5950HQ vs 4790

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 5950HQ  vs
4790 
Clock speed 2.9 GHz 3.6 GHz
Turbo clock speed 3.8 GHz 4 GHz
Cores Quad core Quad core
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB

details

Core i7 5950HQ  vs
4790 
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

integrated graphics

GPU GPU GPU
Label Intel® Iris™ Pro Graphics 6200 Intel® HD Graphics 4600
Number of displays supported 3 3
GPU clock speed 300 MHz 350 MHz
Turbo clock speed 1,150 MHz 1,200 MHz

power consumption

TDP 47W 84W
Annual home energy cost 11.32 $/year 20.24 $/year
Annual commercial energy cost 41.17 $/year 73.58 $/year
Performance per watt 7.46 pt/W 10.77 pt/W
Typical power consumption 38.19W 68.25W

bus

Architecture DMI 2.0 DMI 2.0
Number of links 1 0
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Core i7 5950HQ
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Intel Core i7 4790
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