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Differences What are the advantages of each

Front view of Intel Atom x7 x7-Z8700

Reasons to consider the
Intel Atom x7 x7-Z8700

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Much better CompuBench 1.5 face detection score 5.37 mPixels/s vs 0.98 mPixels/s Around 5.5x better CompuBench 1.5 face detection 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 4.22 pt/$ vs 3.43 pt/$ Around 25% better performance per dollar
Better 3DMark06 CPU score 23.1 vs 23 Almost the same
Better overclocked clock speed (Air) 2.4 GHz vs 2 GHz Around 20% better overclocked clock speed (Air)
Newer Jan, 2015 vs Mar, 2014 Release date 9 months later
Front view of Intel Atom Z3795

Reasons to consider the
Intel Atom Z3795

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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
Much better geekbench 3 AES single core score 391,900 MB/s vs 389,000 MB/s Almost the same
Higher GPU clock speed 311 MHz vs 200 MHz More than 55% higher GPU clock speed

Benchmarks Real world tests of Atom x7 x7-Z8700 vs Z3795

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Atom x7 x7-Z8700
8.39 mHash/s
Atom Z3795
1.63 mHash/s

CompuBench 1.5 (Face detection)

Atom x7 x7-Z8700
5.37 mPixels/s
Atom Z3795
0.98 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Atom x7 x7-Z8700
0.51 fps
Atom Z3795
0.11 fps

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 x7 x7-Z8700
389,000 MB/s
Atom Z3795
391,900 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom x7 x7-Z8700  vs
Z3795 
Clock speed 1.6 GHz 1.6 GHz
Turbo clock speed 2.4 GHz 2.39 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 1.63W

bus

Architecture FSB FSB
Number of links 1 1

details

Atom x7 x7-Z8700  vs
Z3795 
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 2 GHz
Overclocked clock speed (Water) 1.6 GHz 1.59 GHz
Overclocked clock speed (Air) 2.4 GHz 2 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 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 Atom x7 x7-Z8700
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Intel Atom Z3795
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