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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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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
More cores 4 vs 2 Twice as many cores; run more applications at once
Newer Apr, 2015 vs Dec, 2012 Release date over 2 years later
Front view of Intel Atom S1279

Reasons to consider the
Intel Atom S1279

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Slightly higher clock speed 1.6 GHz vs 1.44 GHz More than 10% higher clock speed

Features Key features of the Atom x5 x5-Z8300  vs S1279 

clock speed

Atom x5 x5-Z8300
1.44 GHz
Atom S1279
1.6 GHz

L2 cache

overclocked clock speed (air)

Atom x5 x5-Z8300
1.53 GHz
Atom S1279
1.6 GHz

overclocked clock speed (water)

Atom x5 x5-Z8300
1.44 GHz
Atom S1279
1.6 GHz

Specifications Full list of technical specs

summary

Atom x5 x5-Z8300  vs
S1279 
Clock speed 1.44 GHz 1.6 GHz
Cores Quad core Dual core

features

Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
Supplemental SSE3
AES
Supports dynamic frequency scaling No No

power consumption

Typical power consumption N/A 10.64W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3
Channels Single Channel Single Channel
Maximum bandwidth 6,400 MB/s 10,666.66 MB/s
Maximum memory size 2,048 MB 8,192 MB

details

Atom x5 x5-Z8300  vs
S1279 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 2 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 14 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.53 GHz 1.6 GHz
Overclocked clock speed (Water) 1.44 GHz 1.6 GHz
Overclocked clock speed (Air) 1.53 GHz 1.6 GHz

integrated graphics

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

bus

Architecture FSB FSB
Number of links 1 1
Intel Atom x5 x5-Z8300
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Intel Atom S1279
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