Intel Atom® Processor N270 (512K Cache, 1.60 GHz, 533 MHz FSB) quick reference guide including specifications, features, pricing, compatibility, design documentation, ordering codes, spec codes and more. Intel ships these processors to Original Equipment Manufacturers (OEMs), and the OEMs typically pre-install the processor. Intel refers to these processors as tray or OEM processors. Intel doesn't provide direct warranty support.

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Intel Atom
Common manufacturer(s)
Produced	From 2008–2009 (as Centrino Atom) to 2008-present (as Atom)
Max. CPUclock rate	600 MHz to 2.6 GHz
FSB speeds	400 MHz to 667 MHz
Min. feature size	45 nm to 14 nm
Instruction set	MMX, SSE, SSE2, SSE3, SSSE3, IA-32, x86-64 (not for the N2xx and Z5xx series)
Cores	1, 2, 4, 8, 12, 16
Core name(s)
Package(s)

Intel Atom is the brand name for a line of IA-32 and x86-64 instruction set ultra-low-voltage microprocessors by Intel Corporation. Atom is mainly used in netbooks, nettops, embedded applications ranging from health care to advanced robotics, and mobile Internet devices (MIDs). The line was originally designed in 45 nm complementary metal–oxide–semiconductor (CMOS) technology and subsequent models, codenamed Cedar, used a 32 nm process.^[1]

The first generation of Atom processors are based on the Bonnell microarchitecture.^[2]^[3] On December 21, 2009, Intel announced the Pine Trail platform, including new Atom processor code-named Pineview (Atom N450), with total kit power consumption down 20%.^[4] On December 28, 2011, Intel updated the Atom line with the Cedar processors.^[1]

In December 2012, Intel launched the 64-bit Centerton family of Atom CPUs, designed specifically for use in servers.^[5]Centerton adds features previously unavailable in Atom processors, such as Intel VTvirtualization technology and support for ECC memory.^[6] On September 4, 2013 Intel launched a 22 nm successor to Centerton, codenamed Avoton.^[7]

In 2012, Intel announced a new system on chip (SoC) platform designed for smartphones and tablets which would use the Atom line of CPUs.^[8] It was a continuation of the partnership announced by Intel and Google on September 13, 2011 to provide support for the Android operating system on Intel x86 processors.^[9] This range competed with existing SoCs developed for the smartphone and tablet market from companies like Texas Instruments, Nvidia, Qualcomm and Samsung.^[10]

On April 29, 2016, Intel announced the decision to cancel the Broxton SoC for Smartphones and Tablets. Broxton was to use the newest Atom microarchitecture (Goldmont on a 14 nm node) in combination with an Intel modem.^[11] Apollo Lake, announced early the same month for low-cost entry PCs, will continue using Atom cores.^[12]

3Marketing
4Architecture
- 4.1Instruction set architecture

History[edit]

Intel Atom N2800

Intel Atom is a direct successor of the Intel A100 and A110 low-power microprocessors (code-named Stealey), which were built on a 90 nm process, had 512 kB L2 cache and ran at 600 MHz/800 MHz with 3 W TDP (Thermal Design Power). Prior to the Silverthorne announcement, outside sources had speculated that Atom would compete with AMD's Geodesystem-on-a-chip processors, used by the One Laptop per Child (OLPC) project, and other cost and power sensitive applications for x86 processors. However, Intel revealed on October 15, 2007 that it was developing another new mobile processor, codenamed Diamondville, for OLPC-type devices.^[13]

'Atom' was the name under which Silverthorne would be sold, while the supporting chipset formerly code-named Menlow was called Centrino Atom.^[14]

At Spring Intel Developer Forum (IDF) 2008 in Shanghai, Intel officially announced that Silverthorne and Diamondville are based on the same microarchitecture. Silverthorne would be called the Atom Z5xx series and Diamondville would be called the Atom N2xx series. The more expensive lower-power Silverthorne parts was to be used in Intel mobile Internet devices (MIDs) whereas Diamondville was to be used in low-cost desktop and notebooks. Several Mini-ITXmotherboard samples have also been revealed.^[15] Intel and Lenovo also jointly announced an Atom powered MID called the IdeaPad U8.^[16]

In April 2008, a MID development kit was announced by Sophia Systems^[17] and the first board called CoreExpress-ECO was revealed by a German company LiPPERT Embedded Computers, GmbH.^[18] Intel offers Atom based motherboards.^[19]^[20]

In December 2012, Intel released Atom for servers, the S1200 series. The primary difference between these processors and all prior versions, is that ECC memory support has been added, enabling the use of the Atom in mission-critical server environments that demand redundancy and memory failure protection.

Intel Atom processor family^[21]
MID / Ultra-mobile PC / Lifestyle PC
Logo	Code name	Series	Core	On-die GPU	GPU clk	TDP	HT	Intel 64	Intel VT-x	Release date
Silverthorne	Z5xx	single (45 nm)	Yes	200 MHz	00.65...2 W	No	No	No	Apr 2008
Silverthorne	Z5xx	single (45 nm)	Yes	200 MHz	02...2.4 W	Yes	No	Some	Apr 2008
Lincroft	Z6xx	single (45 nm)	Yes	400 MHz	01.3...3 W	Yes	No	No	May 2010
Classmate PC / Netbook / Nettop / Lifestyle PC
Logo	Code name	Series	Core	On-die GPU	GPU clk	TDP	HT	Intel 64	Intel VT-x	Release date
Diamondville	N2xx	single (45 nm)	No	n/a	02.5 W	Yes	No	No	Jun 2008
	2xx	single (45 nm)			04 W		Yes (if enabled)		Jun 2008
	3xx	dual (45 nm)			08 W		Yes (if enabled)		Sep 2008
Pineview	N4xx	single (45 nm)	Yes	200 MHz	06.5 W	Yes	Yes (if enabled)		Jan 2010
	D4xx	single (45 nm)		400 MHz	10 W
	N5xx	dual (45 nm)		200 MHz	08.5 W
	D5xx	dual (45 nm)		400 MHz	13 W
Cedarview	D2500	dual (32 nm)	Yes	400 MHz	10 W	No	Yes (if enabled)		Nov 2011
	D2550			640 MHz		Yes			Mar 2012
	D2700			640 MHz					Nov 2011
	N2600			400 MHz	03.5 W				Dec 2011
	N2800			640 MHz	06.5 W				Dec 2011
Server / Storage
Logo	Code name	Series	Core	Base CPU clk	Max. CPU clk	TDP	HT	SATA Por

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