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Atom (system on a chip)

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This article is about Atom system on chips processors. For the earlier line of Atom processors, see Intel Atom.

In 2012, Intel expanded the Atom processor family with a new system on chip (SoC) platform designed for smartphones and tablets.[1] It is a continuation of the partnership announced by Intel and Google on 13 September 2011, to provide support for the Android operating system on Intel x86 processors.[2]

Atom competes with existing SoCs developed for the smartphone and tablet market from companies like Texas instruments, Nvidia, Qualcomm and Samsung.[3] Unlike these companies, which use ARM-based CPUs designed from the beginning to consume very low power, Intel has adapted the x86 based Atom line CPU developed for low power usage in netbooks, to even lower power usage.

In April 2012, several manufacturers have released Intel Atom-based phones.

List of systems

Model number (SOC codename, Platform codename) Semiconductor technology CPU instruction set CPU CPU cache GPU Memory technology Availability Utilizing devices
Atom Z2460 (Penwell, platform Medfield)[4][5] 32 nm High-k/metal gate x86 1.6 GHz single-core Saltwell with HT[6] L1: 32kB Instruction + 24kB Data, L2: 512kB PowerVR SGX 540 @ 400 MHz[6] 32-bit Dual-channel 400 MHz LPDDR2-800 (6.4 GB/sec)[6] Q2 2012

Lenovo K800,[7] Orange San Diego / Lava XOLO X900 / X910[8] / MegaFon Mint,[9] ZTE Grand X IN,[10] Ramos W32 [11] XOLO x910 [12]

Atom Z2480 (platform Medfield) 32 nm High-k/metal gate x86 2 GHz single-core Saltwell with HT[6] L1: 32kB Instruction + 24kB Data, L2: 512kB PowerVR SGX 540 @ 400 MHz[6] 32-bit Dual-channel 400 MHz LPDDR2-800 (6.4 GB/sec)[6] 2012

Motorola RAZR i, XOLO X1000,[13] Casper Via A6108 [14]

Atom Z2420 (Lexington)[15] 32 nm High-k/metal gate x86 1.2 GHz single-core Saltwell with HT L1: 32kB Instruction + 24kB Data, L2: 512kB PowerVR SGX 540 @ 400 MHz 32-bit Dual-channel 400 MHz LPDDR2-800 (6.4 GB/sec) January 25, 2013[16]

Xolo X500,[17] Yolo,[18] Acer Liquid C1,[19] Asus FonePad,[20] Etisalat E-20,[21] Prestigio Multiphone 5430 [22]

Atom Z2760 (Cloverview, platform Clover Trail)[23][24] 32 nm High-k/metal gate x86 1.8 GHz dual-core Saltwell with HT L1: 32kB Instruction + 24kB Data, L2: 512kB (per core) PowerVR SGX 545 @ 533 MHz[24][25] 32-bit Dual-channel 400 MHz LPDDR2-800 (6.4 GB/sec)[25] Q4 2012

Asus VivoTab,[26] Asus VivoTab Smart,[27][28] HP Envy x2,[29][30] HP ElitePad 900,[31] Dell Latitude 10[32] Lenovo Thinkpad Tablet 2,[33] Lenovo IdeaTab Lynx[34] Samsung Series 5 Slate (Samsung ATIV Smart PC),[35][36][37] Acer Iconia W510[38] ZTE V98,[39] Acer Iconia W3,[40] Samsung ATIV Tab 3

Atom Z2520 (Cloverview, platform Clover Trail+)[41] 32 nm High-k/metal gate x86 1.2 GHz dual-core Saltwell with HT L1: 32kB Instruction + 24kB Data, L2: 512kB (per core) PowerVR SGX 544 MP2 @ 300 MHz [41] 32-bit Dual-channel 533 MHz LPDDR2-1066 (8.5 GB/sec)[41] 2013
Atom Z2560 (Cloverview, platform Clover Trail+)[41] 32 nm High-k/metal gate x86 1.6 GHz dual-core Saltwell with HT L1: 32kB Instruction + 24kB Data, L2: 512kB (per core) PowerVR SGX 544 MP2 @ 400 MHz [41] 32-bit Dual-channel 533 MHz LPDDR2-1066 (8.5 GB/sec)[42] Q2 2013 Asus Memo Pad FHD 10,[43] Samsung Galaxy Tab 3 10.1-inch,[44] Dell Venue 7[45]
Atom Z2580 (Cloverview, platform Clover Trail+)[46] 32 nm High-k/metal gate x86 2 GHz dual-core Saltwell with HT L1: 32kB Instruction + 24kB Data, L2: 512kB (per core) PowerVR SGX 544 MP2 @ 533 MHz [41] 32-bit Dual-channel 533 MHz LPDDR2-1066 (8.5 GB/sec)[47] Q2 2013

ASUS FonePad Note FHD 6,[48] Lenovo K900,[49] ZTE Grand X2 In,[50] Asus Transformer Book Trio[51] ZTE V975 GEEK, Ramos i8, i9,[52] i10, i12, Teclast P89min,[53] Dell Venue 8[45]

Atom Z3680 (Valleyview, platform Bay Trail)[54][55] 22 nm x86-64 1.33 GHz (2 GHz turbo) dual-core Silvermont[56] 1 MB L2 Cache [57] Intel Gen 7 (Ivy Bridge GPU architecture) @ 311-667 MHz 64-bit single-channel 533 MHz LPDDR3-1066 (8.5 GB/sec) Q3 2013
Atom Z3680D (Valleyview, platform Bay Trail)[55][58] 22 nm x86-64 1.33 GHz (2 GHz turbo) dual-core Silvermont[59] 1 MB L2 Cache [60] Intel Gen 7 (Ivy Bridge GPU architecture) @ 311-688 MHz 64-bit single-channel 666 MHz DDR3L-RS-1333 (10.6 GB/sec) Q3 2013
Atom Z3740D (Valleyview, platform Bay Trail)[55][61] 22 nm x86-64 1.33 GHz (1.9 GHz turbo) quad-core Silvermont[62] 2 MB L2 Cache [63] Intel Gen 7 (Ivy Bridge GPU architecture) @ 311-688 MHz 64-bit single-channel 666 MHz DDR3L-RS-1333 (10.6 GB/sec) Q3 2013 Dell Venue 8 Pro
Atom Z3740 (Valleyview, platform Bay Trail)[55][64] 22 nm x86-64 1.33 GHz (1.9 GHz turbo) quad-core Silvermont[65] 2 MB L2 Cache [66] Intel Gen 7 (Ivy Bridge GPU architecture) @ 311-667 MHz 64-bit dual-channel 533 MHz LPDDR3-1066 (17.1 GB/sec) Q3 2013 ASUS T100, Acer Iconia W4, Toshiba Encore
Atom Z3770D (Valleyview, platform Bay Trail)[55][67] 22 nm x86-64 1.5 GHz (2.4 GHz turbo) quad-core Silvermont[68] 2 MB L2 Cache [69] Intel Gen 7 (Ivy Bridge GPU architecture) @ 311-688 MHz 64-bit single-channel 666 MHz DDR3L-RS-1333 (10.6 GB/sec) Q3 2013
Atom Z3770 (Valleyview, platform Bay Trail)[55][70] 22 nm x86-64 1.5 GHz (2.4 GHz turbo) quad-core Silvermont[71] 2 MB L2 Cache [72] Intel Gen 7 (Ivy Bridge GPU architecture) @ 311-667 MHz 64-bit dual-channel 533 MHz LPDDR3-1066 (17.1 GB/sec) Q3 2013 Fujitsu Stylistic Q584, Dell Venue 11 Pro,[73] HP Omni 10,[74] Sharp Mebius Pad
Tangier, platform Merrifield 22 nm x86-64 dual-core Silvermont PowerVR 6 (Rogue GPU architecture) Q4 2013
Cherryview, platform Cherry Trail 14 nm x86-64 2.7 GHz, Airmont Intel Gen 8 (Broadwell GPU architecture) Q3 2014
Anniedale, platform Moorefield 14 nm x86-64 2.7 GHz, Airmont Intel Gen 8 (Broadwell GPU architecture) Q3 2014
Broxton, platforms Morganfield and Willow Trail 14 nm x86-64 Goldmont Intel Gen 9 (Skylake GPU architecture) 2015

Testing of Atom phones

In April 2012, Lava Xolo X900 was released as the first Intel Medfield phone.[75] Industry reviews claim that Lava Xolo X900 proves that the statement "Intel can't make smartphones" is wrong, and that "Intel is going to power smartphones, and it’s going to be competitive in that space."[76]

Operating system support on Cloverview

While Penwell SoC supports, in addition to Microsoft Windows, both Linux and Android operating systems, Intel has announced that it won't provide support for Linux on Cloverview family of Atom systems-on-a-chip.[77][78] This announcement has caused strong negative reaction from open source proponents.[79] A few days later Intel issued a statement saying that it has “plans for another version of this platform directed at Linux/Android"[79][80] The initial Clover Trail platform only supported Microsoft Windows (z27x0 series). The Clover Trail+ platform was later released targeting Google Android (z25x0 series).[81]

New power states on Cloverview

See also: Processor states

Z2760 Cloverview has introduced two new power states: S0i1 and S0i3.[82] The S0i1 state is intended to be used when the display is on but the user does not actively interact with the device; it consumes power in mW range, and can be entered/left in microseconds. The S0i3 state is intended to be used when the device display is off; it consumes power in microWatt range, and can be entered/left in milliseconds. As a result, Intel claims longer standby battery life (up to three weeks for a typical tablet).[82]

Roadmap

In May 2011, Intel announced an accelerated roadmap for Atom SoC. The 22 nm Silvermont microarchitecture was scheduled for 2013 release, and release of the 14 nm Airmont microarchitecture was scheduled for 2014.[83]

It has been reported that Silvermont-based Atom SoCs will be codenamed Tangier (Merrifield smartphones), Valleyview (Baytrail tablets),[84][85] will be available in single-, dual- and quad-core versions, and Valleyview will include Intel's 7th generation GPU, allowing for 4–7× improvement over existing Atom GPUs.[86][87]

Other upcoming Silvermont-based Atom SoCs include Rangeley[88] and Avoton[89] (part of Edisonville platform).

Airmont-based Atom platforms will be codenamed Moorefield (smartphones)[90] and Cherry Trail (tablets)[91][92] using the Anniedale and Cherryview[93] SoCs.

Goldmont-based Atom platforms will be codenamed Morganfield (smartphones) and Willow Trail (tablets) using the Broxton SoC.[90]

Similar SoCs

See also

References

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  2. ^ Antara News : Intel, Google announce partnership for Android smartphones
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