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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 geekbench 3 AES single core score 279,050 MB/s vs 236.8 MB/s Around 1178.5x better geekbench 3 AES single core score
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much better performance per dollar 5.43 pt/$ vs 0.74 pt/$ More than 7.2x better performance per dollar
Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
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 1 3 more cores; run more applications at once
More threads 4 vs 1 3 more threads
Newer Apr, 2015 vs Oct, 2013 Release date over 1 years later
Front view of Intel Atom E3815

Reasons to consider the
Intel Atom E3815

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Significantly higher GPU clock speed 400 MHz vs 200 MHz 2x higher GPU clock speed

Benchmarks Real world tests of Atom x5 x5-Z8300 vs E3815

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 E3815
236.8 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom x5 x5-Z8300  vs
E3815 
Clock speed 1.44 GHz 1.46 GHz
Cores Quad core Single core
Is unlocked Yes No

features

Has virtualization support Yes Yes
Instruction set extensions
AES
EM64T
Supports dynamic frequency scaling No No

power consumption

Typical power consumption N/A 4.06W

bus

Architecture FSB FSB
Number of links 1 1

details

Atom x5 x5-Z8300  vs
E3815 
Architecture x86-64 x86-64
Threads 4 1
L2 cache 2 MB 0.5 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 1.47 GHz
Overclocked clock speed (Water) 1.44 GHz 1.47 GHz
Overclocked clock speed (Air) 1.53 GHz 1.47 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics HD
Number of displays supported 2 2
GPU clock speed 200 MHz 400 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
DDR3L-1066
Channels Single Channel Single Channel
Maximum bandwidth 6,400 MB/s 6,400 MB/s
Maximum memory size 2,048 MB 8,192 MB
Intel Atom x5 x5-Z8300
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Intel Atom E3815
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