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Differences What are the advantages of each

Front view of Intel x5-Z8550

Reasons to consider the
Intel x5-Z8550

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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
Significantly better overclocked clock speed (Air) 2.4 GHz vs 1.47 GHz Around 65% better overclocked clock speed (Air)
Newer Jan, 2016 vs Jul, 2013 Release date over 2 years later
Front view of Intel Atom Z3770

Reasons to consider the
Intel Atom Z3770

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Much better geekbench 3 AES single core score 393,800 MB/s vs 384.2 MB/s Around 1025x better geekbench 3 AES single core score
Much better 3DMark06 CPU score 28.9 vs 13.4 Around 2.2x better 3DMark06 CPU score
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
Higher GPU clock speed 311 MHz vs 200 MHz More than 55% higher GPU clock speed

Benchmarks Real world tests of x5-Z8550 vs Atom Z3770

GeekBench 3 (Multi-core) Data courtesy Primate Labs

x5-Z8550
3,097
Atom Z3770
2,995

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

x5-Z8550
384.2 MB/s
Atom Z3770
393,800 MB/s

3D Mark 06 (CPU)

x5-Z8550
13.4
Atom Z3770
28.9

PassMark Data courtesy Passmark

x5-Z8550
1,911
Atom Z3770
1,241

PassMark (Single Core)

Specifications Full list of technical specs

summary

x5-Z8550  vs
Atom Z3770 
Clock speed 1.44 GHz 1.46 GHz
Turbo clock speed 2.4 GHz 2.4 GHz
Cores Quad core Quad core

features

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

power consumption

Typical power consumption N/A 3.25W

bus

Architecture FSB FSB
Number of links 1 1

details

x5-Z8550  vs
Atom Z3770 
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 2.4 GHz 1.47 GHz
Overclocked clock speed (Water) 1.44 GHz 1.47 GHz
Overclocked clock speed (Air) 2.4 GHz 1.47 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 400 Intel® HD Graphics
GPU clock speed 200 MHz 311 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 12,800 MB/s 17,066.66 MB/s
Maximum memory size 8,192 MB 4,096 MB
Intel x5-Z8550
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Intel Atom Z3770
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