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Differences What are the advantages of each

Front view of Intel Atom Z3480

Reasons to consider the
Intel Atom Z3480

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Much better geekbench 3 AES single core score 318,400 MB/s vs 34,800 MB/s Around 9.2x better geekbench 3 AES single core score
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher GPU clock speed 457 MHz vs 400 MHz Around 15% higher GPU clock speed
Newer Jan, 2014 vs Feb, 2013 Release date 10 months later
Better overclocked clock speed (Water) 1.6 GHz vs 0.93 GHz More than 70% better overclocked clock speed (Water)
Front view of Intel Atom Z2580

Reasons to consider the
Intel Atom Z2580

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More threads 4 vs 2 Twice as many threads
Slightly better overclocked clock speed (Air) 1.78 GHz vs 1.6 GHz More than 10% better overclocked clock speed (Air)

Benchmarks Real world tests of Atom Z3480 vs Z2580

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Atom Z3480
1,456
Atom Z2580
1,263

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Atom Z3480
318,400 MB/s
Atom Z2580
34,800 MB/s

Specifications Full list of technical specs

summary

Atom Z3480  vs
Z2580 
Clock speed 2.13 GHz 2 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

Typical power consumption N/A N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR2-1066
DDR3
DDR2
Channels Dual Channel Dual Channel
Maximum bandwidth 17,066.66 MB/s 17,066.66 MB/s
Maximum memory size 4,096 MB 2,048 MB

details

Atom Z3480  vs
Z2580 
Architecture x86-64 x86
Threads 2 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 1 MB 1 MB
L3 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.6 GHz 1.78 GHz
Overclocked clock speed (Water) 1.6 GHz 0.93 GHz
Overclocked clock speed (Air) 1.6 GHz 1.78 GHz

integrated graphics

GPU GPU GPU
Label Integrated PowerVR SGX 544MP2
Number of displays supported 2 2
GPU clock speed 457 MHz 400 MHz

bus

Architecture FSB FSB
Number of links 1 1
Intel Atom Z3480
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Intel Atom Z2580
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