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Atom - Intel
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Intel Atom
intel atom (2015).png
Intel Atom (2015 logo)
Developer Intel
Manufacturer Intel
Type system on chips, microprocessors
Introduction March 2, 2008 (announced)
April 2, 2008 (launch)
ISA IA-32, x86-64
Word size 32
32 bit
4 octets
8 nibbles
, 64
64 bit
8 octets
16 nibbles
Process 45 nm
0.045 μm
4.5e-5 mm
, 32 nm
0.032 μm
3.2e-5 mm
, 22 nm
0.022 μm
2.2e-5 mm
, 14 nm
0.014 μm
1.4e-5 mm
Technology CMOS
Clock 500 MHz-2400 MHz
Socket BGA

Atom is an extended family of ultra-low-voltage 32 and 64-bit microprocessors and system on chips designed by Intel.

Models

Bonnell

Main article: Bonnel Microarchitecture

Bonnell was the first microarchitecture designed specifically for the ultra-low power microprocessor market. Introduced in 2008, it featured fully x86-compatible cores with a TDP of only 500 mW to 2 W, less than any other x86 processor available that the time. All Bonnell-based processors were manufactured on Intel's 45 nm process.

Silverthorne Core

intel atom logo (2008-2009).png
Main article: Silverthorne Core

The first series of Bonnell processors were introduced during the 2008 Intel Developer Forum (IDF) in Shanghai, China. Those 32-bit processors were based on the the Silverthorne core which were designed for the Mobile Internet Devices (MID) market. Silverthorne processors have 56 KiB of L1$ and 512 KiB of L2. Silverthorne has support for the traditional AGTL+-based FSB as well as a new low power CMOS FSB specifically introduced to reduce power.

Silverthorne chips consist of 47 million transistors on a 4.2 mm² die packaged in a tiny 13mm x 14mm FCBGA-437 and PBGA-441 packages. All processors are a single core with Hyper-Threading. Additionally all models support every x86 extension up to SSSE3 (SMM, FPU, NX, MMX, SSE, SSE2, SSE3, SSSE3).

SoCs

Microarchitectures

T/T Process µarch Intro Date Cores
Tick 45 nm Bonnell 2008 Silverthorne, Diamondville
Tock 2010 Lincroft, Pineview, Tunnel Creek, Stellarton, Sodaville, Groveland
Tick 32 nm Saltwell 2011 Clover Trail, Cedar Trail
Tick 22 nm Silvermont 2013 Bay Trail
Tock 14 nm Airmont 2015 Cherry Trail, Braswell
Tick Goldmont 2016

Features

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Facts about "Atom - Intel"
designerIntel +
first announcedMarch 2, 2008 +
first launchedApril 2, 2008 +
full page nameintel/atom +
instance ofsystem on a chip extended family + and microprocessor extended family +
instruction set architectureIA-32 + and x86-64 +
main designerIntel +
manufacturerIntel +
nameIntel Atom +
process45 nm (0.045 μm, 4.5e-5 mm) +, 32 nm (0.032 μm, 3.2e-5 mm) +, 22 nm (0.022 μm, 2.2e-5 mm) + and 14 nm (0.014 μm, 1.4e-5 mm) +
socketBGA +
technologyCMOS +
word size32 bit (4 octets, 8 nibbles) + and 64 bit (8 octets, 16 nibbles) +