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Differences What are the advantages of each

Front view of Intel x5-Z8350

Reasons to consider the
Intel x5-Z8350

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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
Much newer manufacturing process 14 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
More cores 4 vs 1 3 more cores; run more applications at once
Newer Jan, 2016 vs Apr, 2011 Release date over 4 years later
More threads 4 vs 2 Twice as many threads
Better overclocked clock speed (Air) 1.71 GHz vs 1.5 GHz Around 15% better overclocked clock speed (Air)
Front view of Intel Atom Z670

Reasons to consider the
Intel Atom Z670

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

Benchmarks Real world tests of x5-Z8350 vs Atom Z670

PassMark Data courtesy Passmark

Atom Z670

PassMark (Single Core)

Specifications Full list of technical specs


x5-Z8350  vs
Atom Z670 
Clock speed 1.44 GHz 1.5 GHz
Cores Quad core Single core


Has virtualization support Yes No
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling No Yes

power consumption

Typical power consumption N/A 2.44W


Architecture FSB FSB
Number of links 1 1


x5-Z8350  vs
Atom Z670 
Architecture x86-64 x86
Threads 4 2
L2 cache 2 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 14 nm 45 nm
Max CPUs 1 1


Overclocked clock speed 1.71 GHz 1.5 GHz
Overclocked clock speed (Water) 1.44 GHz 1.5 GHz
Overclocked clock speed (Air) 1.71 GHz 1.5 GHz

integrated graphics

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

memory controller

Memory controller Built-in Built-in
Memory type
Channels Single Channel Single Channel
Maximum bandwidth 6,400 MB/s 6,400 MB/s
Maximum memory size 2,048 MB 3,000.32 MB
Intel x5-Z8350
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Intel Atom Z670
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