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Differences What are the advantages of each

Front view of Intel Pentium 1405 v2

Reasons to consider the
Intel Pentium 1405 v2

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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
Supports more RAM 393,216 MB vs 2,048 MB Supports 192x more RAM
Front view of Intel Atom x5 x5-Z8300

Reasons to consider the
Intel Atom x5 x5-Z8300

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Newer Apr, 2015 vs Jan, 2014 Release date over 1 years later

Features Key features of the Pentium 1405 v2  vs Atom x5 x5-Z8300 

clock speed

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Pentium 1405 v2  vs
Atom x5 x5-Z8300 
Clock speed 1.4 GHz 1.44 GHz
Cores Dual core Quad core

features

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

power consumption

Typical power consumption 32.5W N/A

bus

Architecture FSB FSB
Number of links 1 1

details

Pentium 1405 v2  vs
Atom x5 x5-Z8300 
Architecture x86-64 x86-64
Threads 2 4
Manufacture process 22 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.4 GHz 1.53 GHz
Overclocked clock speed (Water) 1.4 GHz 1.44 GHz
Overclocked clock speed (Air) 1.4 GHz 1.53 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 200 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Dual Channel Single Channel
Maximum bandwidth 25,600 MB/s 6,400 MB/s
Maximum memory size 393,216 MB 2,048 MB
Intel Pentium 1405 v2
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Intel Atom x5 x5-Z8300
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