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Differences What are the advantages of each

Front view of Intel Core i5 3439Y

Reasons to consider the
Intel Core i5 3439Y

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Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Front view of Intel Atom Z3745

Reasons to consider the
Intel Atom Z3745

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CPUBoss is not aware of any important advantages of the Atom Z3745 vs the Core i5 3439Y.

Benchmarks Real world tests of Core i5 3439Y vs Atom Z3745

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 3439Y  vs
Atom Z3745 
Clock speed 1.5 GHz 1.33 GHz
Turbo clock speed 2.3 GHz 1.86 GHz
Cores Dual core Quad core

features

Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes No

power consumption

Typical power consumption 10.56W N/A

bus

Architecture DMI FSB
Number of links 1 1

details

Core i5 3439Y  vs
Atom Z3745 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.3 GHz 1.86 GHz
Overclocked clock speed (Water) 1.5 GHz 1.33 GHz
Overclocked clock speed (Air) 2.3 GHz 1.86 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4000 Intel® HD Graphics
GPU clock speed 350 MHz 311 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 17,066.66 MB/s
Maximum memory size 32,768 MB 4,096 MB
Intel Core i5 3439Y
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Intel Atom Z3745
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