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Differences What are the advantages of each

Default view of Qualcomm Snapdragon 400 (Dual)

Reasons to consider the
Qualcomm Snapdragon 400 (Dual)

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Newer manufacturing process 28 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher GPU clock speed 450 MHz vs 400 MHz Around 15% higher GPU clock speed
Front view of Intel Atom Z2580

Reasons to consider the
Intel Atom Z2580

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Significantly higher clock speed 2 GHz vs 1.2 GHz More than 65% higher clock speed
More threads 4 vs 2 Twice as many threads

Features Key features of the Snapdragon 400 (Dual)  vs Atom Z2580 

clock speed

L2 cache

gpu clock speed

Specifications Full list of technical specs

summary

Snapdragon 400 (Dual)  vs
Atom Z2580 
Clock speed 1.2 GHz 2 GHz
Cores Dual core Dual core

integrated graphics

GPU GPU GPU
Label Adreno 305 PowerVR SGX 544MP2
GPU clock speed 450 MHz 400 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR2-1066
DDR2
Channels Single Channel Dual Channel
Maximum bandwidth 3,200 MB/s 17,066.66 MB/s

details

Snapdragon 400 (Dual)  vs
Atom Z2580 
Architecture ARM x86
Threads 2 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 28 nm 32 nm
Max CPUs 1 1

power consumption

Typical power consumption N/A N/A
Qualcomm Snapdragon 400 (Dual)
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Intel Atom Z2580
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