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Differences What are the advantages of each

Front view of Intel Core i7 4790

Reasons to consider the
Intel Core i7 4790

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Significantly higher clock speed 3.6 GHz vs 2.7 GHz Around 35% higher clock speed
Much better performance per dollar 2.97 pt/$ vs 0.86 pt/$ Around 3.5x better performance per dollar
Higher turbo clock speed 4 GHz vs 3.4 GHz Around 20% higher turbo clock speed
Significantly better turbo clock speed 1,200 MHz vs 1,000 MHz 20% better turbo clock speed
Much better performance per watt 10.77 pt/W vs 4.79 pt/W More than 2.2x better performance per watt
Better PassMark score 9,996 vs 5,778 Around 75% better PassMark score
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
Better PassMark (Single core) score 2,284 vs 1,853 Around 25% better PassMark (Single core) score
Better CompuBench 1.5 video composition score 12.13 fps vs 6.9 fps More than 75% better CompuBench 1.5 video composition score
More threads 8 vs 4 Twice as many threads
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Front view of Intel Core i5 6440EQ

Reasons to consider the
Intel Core i5 6440EQ

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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
Much lower typical power consumption 36.56W vs 68.25W More than 45% lower typical power consumption
Newer Oct, 2015 vs May, 2014 Release date over 1 years later
Much lower annual home energy cost 10.84 $/year vs 20.24 $/year More than 45% lower annual home energy cost
Much lower annual commercial energy cost 39.42 $/year vs 73.58 $/year More than 45% lower annual commercial energy cost

Benchmarks Real world tests of Core i7 4790 vs i5 6440EQ

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 4790
15.62 mHash/s
Core i5 6440EQ
27.04 mHash/s

CompuBench 1.5 (Face detection)

Core i7 4790
16.69 mPixels/s
Core i5 6440EQ
17.4 mPixels/s

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Core i7 4790
225.9 fps
Core i5 6440EQ
165.7 fps

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 4790
1.96 fps
Core i5 6440EQ
1.28 fps

CompuBench 1.5 (Video composition) Data courtesy CompuBench

Core i7 4790
12.13 fps
Core i5 6440EQ
6.9 fps

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4790  vs
i5 6440EQ 
Clock speed 3.6 GHz 2.7 GHz
Turbo clock speed 4 GHz 3.4 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
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
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 65,536 MB

details

Core i7 4790  vs
i5 6440EQ 
Architecture x86-64 x86-64
Threads 8 4
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 1 1

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4600 Intel® HD Graphics 530
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,200 MHz 1,000 MHz

power consumption

TDP 84W 45W
Annual home energy cost 20.24 $/year 10.84 $/year
Annual commercial energy cost 73.58 $/year 39.42 $/year
Performance per watt 10.77 pt/W 4.79 pt/W
Typical power consumption 68.25W 36.56W

bus

Architecture DMI 2.0 FSB
Number of links 0 1
Transfer rate 5,000 MT/s 8,000 MT/s
Intel Core i7 4790
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Intel Core i5 6440EQ
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