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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

Report a correction

CPUBoss is not aware of any important advantages of the 4870HQ vs the 4850HQ.

Front view of Intel Core i7 4850HQ

Reasons to consider the
Intel Core i7 4850HQ

Report a correction

CPUBoss is not aware of any important advantages of the 4850HQ vs the 4870HQ.

Benchmarks Real world tests of Core i7 4870HQ vs 4850HQ

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 4870HQ
30.61 mHash/s
Core i7 4850HQ
30.52 mHash/s

CompuBench 1.5 (Face detection)

Core i7 4870HQ
17.75 mPixels/s
Core i7 4850HQ
16.38 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

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 i7 4850HQ
4,030 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4870HQ  vs
4850HQ 
Clock speed 2.5 GHz 2.4 GHz
Turbo clock speed 3.7 GHz 3.6 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
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
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 12,800 MB/s

details

Core i7 4870HQ  vs
4850HQ 
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 6 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

integrated graphics

GPU GPU GPU
Label Intel® Iris™ Pro Graphics 5200 HD 5200

power consumption

TDP 47W 47W
Annual home energy cost 11.32 $/year 11.32 $/year
Performance per watt 23.8 pt/W 4.49 pt/W
Typical power consumption 38.19W 38.19W

bus

Transfer rate 5,000 MT/s 5,000 MT/s
Intel Core i7 4870HQ
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Intel Core i7 4850HQ
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