Intel Atom is the brand name for a line of IA and x 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.
The first generation of Atom processors are based on the Bonnell microarchitecture. Prior to the Silverthorne announcement, outside sources had speculated that Atom would compete with AMD 's Geode system-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, that it was developing another new mobile processor, codenamed Diamondville, for OLPC-type devices. 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-ITX motherboard samples have also been revealed. In December , Intel released Atom for servers, the S 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.
Atom processors became available to system manufacturers in Because they are soldered onto a mainboard , like northbridges and southbridges , Atom processors are not available to home users or system builders as separate processors, although they may be obtained preinstalled on some ITX motherboards.
All Atom processors implement the x86 IA instruction set ; however, support for the AMD 64 instruction set was not added until the desktop Diamondville and desktop and mobile Pineview cores.
Need more help?
The Atom N2xx and Z5xx series Atom models cannot run x code. Those Atom systems not supporting all of these cannot enable Intel Online retailer mini-itx. Even among Atom-based systems which have Intel 64 enabled, not all are able to run bit versions of Microsoft Windows. The lack of bit Windows support for Cedarview processors appears to be due to a driver issue. A member of the Intel Enthusiast Team has stated in a series of posts on enthusiast site Tom's Hardware that while the Atom D Cedarview was designed with Intel 64 support, due to a "limitation of the board" Intel had pulled their previously-available bit drivers for Windows 7 and would not provide any further bit support.
The first Atom processors were based on the Bonnell microarchitecture. Those Atom processors are able to execute up to two instructions per cycle. Like many other x86 microprocessors, they translate xinstructions CISC instructions into simpler internal operations sometimes referred to as micro-ops , i.
The number of instructions that produce more than one micro-op is significantly fewer than the P6 and NetBurst microarchitectures. In the Bonnell microarchitecture, internal micro-ops can contain both a memory load and a memory store in connection with an ALU operation, thus being more similar to the x86 level and more powerful than the micro-ops used in previous designs.
The Bonnell microarchitecture therefore represents a partial revival of the principles used in earlier Intel designs such as P5 and the i , with the sole purpose of enhancing the performance per watt ratio. However, Hyper-Threading is implemented in an easy i.
The performance of a single-core Atom is about half that of a Pentium M of the same clock rate. For example, the Atom N 1. The Pineview platform has proven to be only slightly faster than the previous Diamondville platform. This is because the Pineview platform uses the same Bonnell execution core as Diamondville and is connected to the memory controller via the FSB, hence memory latency and performance in CPU-intensive applications are minimally improved.
On September 13, Intel and Google held a joint announcement of a partnership to provide support in Google's Android operating system for Intel processors beginning with the Atom.
This would allow Intel to supply chips for the growing smartphone and tablet market.
Are you a human?
Performance comparisons of the Intel Atom against the Via Nano indicate that a single core Intel Atom is easily outperformed by the Via Nano which is in turn outperformed by a dual core Intel Atom in tests where multithreading is used. In , Kenton Williston of EE Times said that while Atom will not displace ARM from its current markets, the ability to apply the PC architecture into smaller, cheaper and lower power form factors will open up new markets for Intel. In , ARM claimed that Intel's Atom processors offer less compatibility and lower performance than their chips when running Android, and higher power consumption and less battery life for the same tasks under both Android and Windows.
In February Cisco Systems reported a clock signal issue  that would disable several of its products.
Cisco stated, "we expect product failures to increase over the years, beginning after the unit has been in operation for approximately 18 months". Soon after this issue was linked to the Intel Atom SoC, and reports of other vendors  being affected started appearing online. From Wikipedia, the free encyclopedia. Redirected from Atom intel.
For the Intel platform designed for smartphones and tablets, see Atom system on chip. Archived from the original on April 29, Retrieved December 28, Archived from the original on 27 March Retrieved 4 August Archived from the original on January 4, Retrieved August 4, Archived from the original on June 6, Archived from the original on October 14, Retrieved March 22, Archived from the original on May 2, Archived from the original on 2 May Retrieved 29 May Archived from the original on 11 March PC World.
Archived from the original on 9 July July 30, Archived from the original on January 12, Retrieved April 4, Archived from the original on 23 February Archived from the original on March 2, Retrieved January 29, Archived from the original on April 27, Archived from the original on December 8, Archived from the original on February 16, Archived from the original on 8 January Archived from the original on April 5, Archived from the original on March 17, August 28, Archived from the original on April 21, Retrieved August 28, July 5, Retrieved July 5, Archived from the original on June 13, Retrieved March 4, Archived from the original on March 18, Archived from the original on October 26, Retrieved March 17, February 10, Archived from the original on May 31, July 29, Archived from the original on October 29, Archived from the original on February 1, March 2, Archived from the original on October 27, Retrieved March 3, September 14, Archived from the original on December 4, August 11, Archived from the original on April 13, December 26, Retrieved December 26, VIA Nano".
Archived from the original on 19 February Retrieved 4 April February 14, Archived from the original on September 5, July 31,