Atom (system on chip)

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This article is about the newer line of Atom system on chip products. For the earlier line of Atom CPUs, see Intel Atom (CPU).

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[edit]

Model number, SoC and platform codenames Fabrication technology CPU GPU Memory Availability Utilizing devices
Instruction set Microarchitecture Model, Frequency Cache Microarchitecture Model, Frequency
Atom Z2460 (Penwell, platform Medfield)[4][5] 32 nm High-κ/metal gate x86 Saltwell with HT[6] 1.6 GHz single-core L1: 32kB Instruction + 24kB Data, L2: 512kB PowerVR Series 5 (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) 2 GHz single-core[6] L1: 32kB Instruction + 24kB Data, L2: 512kB 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, platform Medfield)[15] 1.2 GHz single-core L1: 32kB Instruction + 24kB Data, L2: 512kB 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] 1.8 GHz dual-core L1: 32kB Instruction + 24kB Data, L2: 512kB (per core) 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] 1.2 GHz dual-core L1: 32kB Instruction + 24kB Data, L2: 512kB (per core) 544 MP2 @ 300 MHz [41] 32-bit Dual-channel 533 MHz LPDDR2-1066 (8.5 GB/sec)[41] 2013 ASUS ZenFone 4
Atom Z2560 (Cloverview, platform Clover Trail+)[41] 1.6 GHz dual-core L1: 32kB Instruction + 24kB Data, L2: 512kB (per core) 544 MP2 @ 400 MHz [41] 32-bit Dual-channel 533 MHz LPDDR2-1066 (8.5 GB/sec)[42] Q2 2013 Asus Zenfone 5, Asus Memo Pad FHD 10,[43] Samsung Galaxy Tab 3 10.1-inch,[44] Dell Venue 7,[45] Geeksphone Revolution[46]
Atom Z2580 (Cloverview, platform Clover Trail+)[47] 2 GHz dual-core L1: 32kB Instruction + 24kB Data, L2: 512kB (per core) 544 MP2 @ 533 MHz [41] 32-bit Dual-channel 533 MHz LPDDR2-1066 (8.5 GB/sec)[48] Q2 2013 ASUS ZenFone 5, ASUS ZenFone 6,Condor CTAB890RI, ASUS FonePad Note FHD 6,[49] Lenovo IdeaPhone K900,[50] ZTE Grand X2 In,[51] Asus Transformer Book Trio[52] ZTE V975 GEEK, Ramos i8, i9,[53] i10, i12, Teclast P89min,[54] Dell Venue 8[45]
Atom Z3680 (Valleyview, platform Bay Trail)[55][56] 22 nm x86-64 Silvermont[57] 1.33 GHz (2 GHz burst frequency) 1 MB L2 Cache [58] Intel Gen 7 (Ivy Bridge) 311-667 MHz 64-bit single-channel 533 MHz LPDDR3-1066 (8.5 GB/sec) Q3 2013
Atom Z3680D (Valleyview, platform Bay Trail)[56][55] 1.33 GHz (2 GHz burst frequency) dual-core[57] 1 MB L2 Cache [58] 313-688 MHz 64-bit single-channel 666 MHz DDR3L-RS-1333 (10.6 GB/sec) Q3 2013
Atom Z3740D (Valleyview, platform Bay Trail)[56][55] 1.33 GHz (1.86 GHz burst frequency) quad-core[57] 2 MB L2 Cache [59] 313-688 MHz 64-bit single-channel 666 MHz DDR3L-RS-1333 (10.6 GB/sec) Q3 2013 Dell Venue 8 Pro, Ramos i10 Pro (dual OS), [60] Ramos i8 Pro, [61] Ramos i10 Note, [62] Ramos i10S, [63]
Atom Z3740 (Valleyview, platform Bay Trail)[56][55] 1.33 GHz (1.86 GHz burst frequency) quad-core[57] 2 MB L2 Cache [59] 311-667 MHz 64-bit dual-channel 533 MHz LPDDR3-1066 (17.1 GB/sec) Q3 2013 ASUS T100, Acer Iconia W4, Toshiba Encore, Lenovo Miix 2[64]
Atom Z3770D (Valleyview, platform Bay Trail)[56][55] 1.5 GHz (2.41 GHz burst frequency) quad-core[57] 2 MB L2 Cache [59] 313-688 MHz 64-bit single-channel 666 MHz DDR3L-RS-1333 (10.6 GB/sec) Q3 2013
Atom Z3770 (Valleyview, platform Bay Trail)[56][55] 1.46 GHz (2.39 GHz burst frequency) quad-core[57] 2 MB L2 Cache [59] 311-667 MHz 64-bit dual-channel 533 MHz LPDDR3-1066 (17.1 GB/sec) Q3 2013 Fujitsu Stylistic Q584, Dell Venue 11 Pro,[65] HP Omni 10,[66] Sharp Mebius Pad, Lenovo ThinkPad 8[67]
Atom Z3735D (Valleyview, platform Bay Trail)[68] 1.33 GHz quad-core[69] 2 MB L2 Cache [59] 311-667 MHz 64-bit dual-channel 533 MHz LPDDR2-1066 [68] Q1 2014 [68]
Atom Z3460 (Tangier, platform Merrifield)[70] 1.60 GHz dual-core PowerVR Series 6 (Rogue) G6400 @533MHz[71]  ? Q2 2014 [68][70]
Atom Z3480 (Tangier, platform Merrifield)[70] 2.13 GHz dual-core  ? LPDDR3-1066, dual-channel, 8.5 GB/s Q2 2014 [68][70] 3DMark Ice Storm Unlimited
Atom Z3560 (Anniedale, platform Moorefield)[70] 1.80 GHz quad-core PowerVR Series 6 (Rogue) G6430 @533MHz[71] Q4 2014 [68][70]
Atom Z3580 (Anniedale, platform Moorefield)[70] 2.33 GHz quad-core Q4 2014 [68][70] 3DMark Ice Storm Unlimited
Cherryview, platform Cherry Trail 14 nm x86-64 Airmont 2.7 GHz Intel Gen 8 (Broadwell) September 2014[68]
Broxton, platforms Morganfield and Willow Trail Goldmont TBA Intel Gen 9 (Skylake) Q4 2014 [68]

Intel's Smartphone Architecture Merrifield and Moorefield[edit]

Intel will be launching its new Smartphone architecture 'Intel Merrifield' fully compatible with Android. The Architecture will be based on 22 nm fabrication process and will launch in Q1 2014. It will be followed by its 14 nm refresh Moorefield in Q4 2014. This platform will follow Intel's Tick Tock Process.[68] | Q1 2014 [68]

Testing of Atom phones[edit]

In April 2012, Lava Xolo X900 was released as the first Intel Medfield phone.[72] 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."[73]

Operating system support on Cloverview[edit]

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.[74][75] This announcement has caused strong negative reaction from open source proponents.[76] A few days later Intel issued a statement saying that it has “plans for another version of this platform directed at Linux/Android"[76][77] The initial Clover Trail platform only supported Microsoft Windows (z27x0 series). The Clover Trail+ platform was later released targeting Google Android (z25x0 series).[78]

New power states on Cloverview[edit]

Z2760 Cloverview has introduced two new power states: S0i1 and S0i3.[79] 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).[79]

Roadmap[edit]

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.[80]

It has been reported that Silvermont-based Atom SoCs will be codenamed Tangier (Merrifield smartphones), Valleyview (Baytrail tablets),[81][82] 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.[83][84]

Other upcoming Silvermont-based Atom SoCs include Rangeley[85] and Avoton[86] (part of Edisonville platform).

Airmont-based Atom platforms will be codenamed Moorefield (smartphones)[87] and Cherry Trail (tablets)[88][89] using the Anniedale and Cherryview[90] SoCs.

Goldmont-based Atom platforms will be codenamed Morganfield (smartphones) and Willow Trail (tablets) using the Broxton SoC.[87]

Similar SoCs[edit]

See also[edit]

References[edit]

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