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Differences What are the advantages of each

Front view of Intel Core i7 4870HQ

Reasons to consider the
Intel Core i7 4870HQ

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core i5 5287U

Reasons to consider the
Intel Core i5 5287U

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CPUBoss is not aware of any important advantages of the Core i5 5287U vs the Core i7 4870HQ.

Benchmarks Real world tests of Core i7 4870HQ vs i5 5287U

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 4870HQ
30.61 mHash/s
Core i5 5287U
51.22 mHash/s

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Core i7 4870HQ
394.46 fps
Core i5 5287U
128.21 fps

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i5 5287U
1.31 fps

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 4870HQ
4,400,000 MB/s
Core i5 5287U
4,120,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4870HQ  vs
i5 5287U 
Clock speed 2.5 GHz 2.9 GHz
Turbo clock speed 3.7 GHz 3.3 GHz
Cores Quad core Dual core
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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 47W 28W
Annual home energy cost 11.32 $/year 6.75 $/year
Performance per watt 23.8 pt/W 39.03 pt/W
Typical power consumption 38.19W 22.75W

bus

Architecture DMI 2.0 DMI 2.0
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i7 4870HQ  vs
i5 5287U 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 6 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.65 GHz 2.9 GHz
Overclocked clock speed (Water) 2.5 GHz 2.9 GHz
Overclocked clock speed (Air) 3.65 GHz 2.9 GHz

integrated graphics

GPU GPU GPU
Label Intel® Iris™ Pro Graphics 5200 Intel® Iris™ Graphics 6100
Number of displays supported 3 3
GPU clock speed 200 MHz 300 MHz
Turbo clock speed 1,200 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 12,800 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 16,384 MB
Intel Core i7 4870HQ
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Intel Core i5 5287U
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