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Differences What are the advantages of each

Front view of Intel Atom x5 x5-Z8300

Reasons to consider the
Intel Atom x5 x5-Z8300

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Much better 3DMark06 CPU score 19.9 vs 11 More than 80% better 3DMark06 CPU score
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per dollar 5.43 pt/$ vs 4.6 pt/$ Around 20% better performance per dollar
Newer Apr, 2015 vs Jan, 2014 Release date over 1 years later
Front view of Intel Atom Z3745

Reasons to consider the
Intel Atom Z3745

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Much better geekbench 3 AES single core score 283,100 MB/s vs 279,050 MB/s Almost the same
Higher GPU clock speed 311 MHz vs 200 MHz More than 55% higher GPU clock speed
Better overclocked clock speed (Air) 1.86 GHz vs 1.53 GHz More than 20% better overclocked clock speed (Air)

Benchmarks Real world tests of Atom x5 x5-Z8300 vs Z3745

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

Atom x5 x5-Z8300
279,050 MB/s
Atom Z3745
283,100 MB/s

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom x5 x5-Z8300  vs
Z3745 
Clock speed 1.44 GHz 1.33 GHz
Turbo clock speed 1.84 GHz 1.86 GHz
Cores Quad core Quad core

features

Has virtualization support Yes Yes
Instruction set extensions
AES
Supports dynamic frequency scaling No No

power consumption

Typical power consumption N/A N/A

bus

Architecture FSB FSB
Number of links 1 1

details

Atom x5 x5-Z8300  vs
Z3745 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 2 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 14 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.53 GHz 1.86 GHz
Overclocked clock speed (Water) 1.44 GHz 1.33 GHz
Overclocked clock speed (Air) 1.53 GHz 1.86 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics
GPU clock speed 200 MHz 311 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3
Channels Single Channel Dual Channel
Maximum bandwidth 6,400 MB/s 17,066.66 MB/s
Maximum memory size 2,048 MB 4,096 MB
Intel Atom x5 x5-Z8300
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Intel Atom Z3745
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