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Atom (system on a chip)

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This article is about the mobile version of Atom. Not to be confused with the Intel Atom (CPU) for netbooks and MID devices.

Atom is a system on chip (SoC) platform designed for smartphones and tablet computers, launched by Intel in 2012.[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] This range 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.

Since April 2012, several manufacturers have released Intel Atom-based tablets and phones as well as using the SoCs as a basis for other small form factor devices (e.g. mini PCs, stick PCs, etc.).

List of systems

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
List
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
List
Atom Z2420 (Lexington, platform Medfield)[16] 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[17]
List
Atom Z2760 (Cloverview, platform Clover Trail)[24][25] 1.8 GHz dual-core L1: 32kB Instruction + 24kB Data, L2: 512kB (per core) 545 @ 533 MHz[25][26] 32-bit Dual-channel 400 MHz LPDDR2-800 (6.4 GB/sec)[26] Q4 2012
List
Atom Z2520 (Cloverview, platform Clover Trail+)[42] 1.2 GHz dual-core L1: 32kB Instruction + 24kB Data, L2: 512kB (per core) 544 MP2 @ 300 MHz [42] 32-bit Dual-channel 533 MHz LPDDR2-1066 (8.5 GB/sec)[42] 2013
List
  • Asus Zenfone 4 (A400CG/A400CXG), Asus Zenfone 4 (A450CG), Asus Fonepad 7 (FE170CG/FE171CG), Asus Zenfone 5 (A501CG/A502CG), Asus Zenfone C (ZC451CG)
Atom Z2560 (Cloverview, platform Clover Trail+)[42] 1.6 GHz dual-core L1: 32kB Instruction + 24kB Data, L2: 512kB (per core) 544 MP2 @ 400 MHz [42] 32-bit Dual-channel 533 MHz LPDDR2-1066 (8.5 GB/sec)[43] Q2 2013
List
Atom Z2580 (Cloverview, platform Clover Trail+)[48] 2 GHz dual-core L1: 32kB Instruction + 24kB Data, L2: 512kB (per core) 544 MP2 @ 533 MHz [42] 32-bit Dual-channel 533 MHz LPDDR2-1066 (8.5 GB/sec)[49] Q2 2013
List
  • ASUS Zenfone 5 (A500CG), ASUS Zenfone 6 (A600CG), Condor CTAB890RI, ASUS Fonepad Note FHD 6,[50] Lenovo IdeaPhone K900,[51] ZTE Grand X2 In,[52] Asus Transformer Book Trio[53] ZTE V975 GEEK, Ramos i8, i9,[54] i10, i12, Teclast P89min,[55] Dell Venue 8[46]
Atom Z3680 (Valleyview, platform Bay Trail)[56][57] 22 nm x86-64 Silvermont[58] 1.33 GHz (2 GHz burst frequency) 1 MB L2 Cache [59] 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][57] 1.33 GHz (2 GHz burst frequency) dual-core[58] 1 MB L2 Cache [59] 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][57] 1.33 GHz (1.86 GHz burst frequency) quad-core[58] 2 MB L2 Cache [60] 313-688 MHz 64-bit single-channel 666 MHz DDR3L-RS-1333 (10.6 GB/sec) Q3 2013
List
  • Dell Venue 8 Pro, Ramos i10 Pro (dual OS),[61] Ramos i8 Pro,[62] Ramos i10 Note,[63] Ramos i10S,[64]
Atom Z3740 (Valleyview, platform Bay Trail)[56][57] 1.33 GHz (1.86 GHz burst frequency) quad-core[58] 2 MB L2 Cache [60] 311-667 MHz 64-bit dual-channel 533 MHz LPDDR3-1066 (17.1 GB/sec) Q3 2013
List
  • ASUS T100, Acer Iconia W4, Toshiba Encore, Lenovo Miix 2[65]
Atom Z3745D (Valleyview, platform Bay Trail) 1.33 GHz (1.83 GHz burst frequency) quad-core[58] 2 MB L2 Cache [60] 313-792 MHz 64-bit single-channel 666 MHz DDR3L-RS-1333 (10.6 GB/sec) Q1 2014
Atom Z3745 (Valleyview, platform Bay Trail) 1.33 GHz (1.86 GHz burst frequency) quad-core[58] 2 MB L2 Cache [60] 311-778 MHz 64-bit dual-channel 666 MHz LPDDR3-1066 (17.1 GB/sec) Q1 2014
List
Atom Z3770D (Valleyview, platform Bay Trail)[56][57] 1.5 GHz (2.41 GHz burst frequency) quad-core[58] 2 MB L2 Cache [60] 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][57] 1.46 GHz (2.39 GHz burst frequency) quad-core[58] 2 MB L2 Cache [60] 311-667 MHz 64-bit dual-channel 533 MHz LPDDR3-1066 (17.1 GB/sec) Q3 2013
List
  • Fujitsu Stylistic Q584, Dell Venue 11 Pro, HP Omni 10, Sharp Mebius Pad, Lenovo ThinkPad 8[69]
Atom Z3775 (Valleyview, platform Bay Trail) 1.46 GHz (2.39 GHz burst frequency) quad-core[58] 2 MB L2 Cache [60] 311-778 MHz 64-bit dual-channel 533 MHz LPDDR3-1066 (17.1 GB/sec) Q1 2014 Asus Transformer Book T90 Chi
Atom Z3795 (Valleyview, platform Bay Trail) 1.59 GHz (2.39 GHz burst frequency) quad-core[58] 2 MB L2 Cache [60] 311-778 MHz 64-bit dual-channel 533 MHz LPDDR3-1066 (17.1 GB/sec) Q1 2014 HP ElitePad 1000 G2
Atom Z3735D (Valleyview, platform Bay Trail)[70] 1.33 GHz (1.83 GHz burst frequency) quad-core[70] 2 MB L2 Cache [60] 311-667 MHz 64-bit single-channel 666 MHz DDR3L-RS-1333 (10.6 GB/sec) [70] Q1 2014 [70] Tesco Hudl2, MeeGoPad T02[71]
Atom Z3460 (Tangier, platform Merrifield)[72] 1.60 GHz dual-core 1 MB L2 Cache [73] PowerVR Series 6 (Rogue) G6400 @533MHz[74] 400-457 MHz [73] LPDDR3-1066, dual-channel, 8.5 GB/s Q2 2014 [70][72] 2014 Dell Venue 7
Atom Z3480 (Tangier, platform Merrifield)[72] 2.13 GHz dual-core 1 MB L2 Cache [73] 457-533 MHz [73] LPDDR3-1066, dual-channel, 8.5 GB/s Q2 2014 [70][72] 2014 Dell Venue 8
Atom Z3530 (Anniedale, platform Moorefield) 1.33 GHz quad-core 2 MB L2 Cache PowerVR G6430[74] 457 MHz
117 GFLOPs 		LPDDR3-1600, dual-channel, 12.8 GB/s Q4 2014 [70][72]
List
  • Asus Fonepad 7 (FE375CXG) (Europe), Asus Fonepad 8 (FE380CG)
Atom Z3560 (Anniedale, platform Moorefield)[72] 1.83 GHz quad-core 2 MB L2 Cache 457 - 533 MHz
136 GFLOPs 		LPDDR3-1600, dual-channel, 12.8 GB/s Q4 2014 [70][72]
List
  • Asus Nexus Player, Asus Fonepad 7 (Asia), Asus MeMO Pad 7 (ME572CG), Asus Zenfone 2 (ZE550ML), Asus Zenfone 2 (ZE551ML)
Atom Z3570 (Anniedale, platform Moorefield) 2 GHz quad-core 2 MB L2 Cache 457 - 640 MHz
155 GFLOPs 		LPDDR3-1600, dual-channel, 12.8 GB/s Q3 2014
Atom Z3580 (Anniedale, platform Moorefield)[72] 2.33 GHz quad-core 2 MB L2 Cache 457 - 533 MHz
136 GFLOPs 		LPDDR3-1600, dual-channel, 12.8 GB/s Q4 2014 [70][72]
List
  • Asus MeMO Pad 8, Nokia N1, Dell Venue 8 7000, Asus Zenfone 2 (ZE551ML), Asus Zenfone 2 Deluxe (ZE551ML), Asus Zenfone 2 Deluxe Special Edition (ZE551ML)[75]
Atom Z3590 (Anniedale, platform Moorefield) 2.5 GHz quad-core 2 MB L2 Cache 457 - 640 MHz
155 GFLOPs 		LPDDR3-1600, dual-channel, 12.8 GB/s Q3 2015 Asus Zenfone Zoom (ZX550ML/ZX551ML)[76]
Atom x5-Z8300 (Cherryview, platform Cherry Trail) 14 nm x86-64 Airmont 1.44 GHz (1.84 GHz burst frequency) quad-core 2 MB L2 Cache Intel Gen 8 (Broadwell, 12 EU) 200 - 500 MHz DDR3L-RS 1600, single-channel, 12.8GB/s 2015[77]
List
  • Toshiba Satellite Click 10,[78] HP ENVY 8 Note[79]
Atom x5-Z8500 (Cherryview, platform Cherry Trail) 1.44 GHz (2.24 GHz burst frequency) quad-core[80] 2 MB L2 Cache Intel Gen 8 (Broadwell, 12 EU) 200 - 600 MHz LPDDR3-1600, dual-channel, 25.6GB/s 2015[77]
List
  • ASUS Transformer Book T100HA,[81] HP Pro Tablet 608 G1,[82] Dell Venue 8 Pro 5000,[83] Dell Venue 10 Pro 5000,[83] Xiaomi Mi Pad 2[84]
Atom x7-Z8700 (Cherryview, platform Cherry Trail) 1.6 GHz (2.4 GHz burst frequency) quad-core 2 MB L2 Cache Intel Gen 8 (Broadwell, 16 EU) 200 - 600 MHz LPDDR3-1600, dual-channel, 25.6GB/s 2015[77] Surface 3
Broxton, platforms Morganfield and Willow Trail Goldmont TBA Intel Gen 9 (Skylake) TBA

Merrifield and Moorefield smartphone platforms

In Q1 2014, Intel launched its fully Android compatible smartphone platform Merrifield based on a 22 nm SoC. It was followed by its platform refresh Moorefield in Q4 2014.[70]

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.[85][86] This announcement has caused strong negative reaction from open source proponents.[87] A few days later Intel issued a statement saying that it has “plans for another version of this platform directed at Linux/Android"[87][88] The initial Clover Trail platform only supported Microsoft Windows (z27x0 series). The Clover Trail+ platform was later released targeting Google Android (z25x0 series).[89]

New power states on Cloverview

See also: Processor states

Z2760 Cloverview has introduced two new power states: S0i1 and S0i3.[90] 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).[90]

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.[91]

It has been reported that Silvermont-based Atom SoCs will be codenamed Tangier (Merrifield smartphones), Valleyview (Baytrail tablets),[92][93] 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.[94][95]

Other upcoming Silvermont-based Atom SoCs include Rangeley[96] and Avoton[97] (part of Edisonville platform).

Airmont-based Atom platforms will be codenamed Moorefield (smartphones)[98] and Cherry Trail (tablets)[99][100] using the Anniedale and Cherryview[101] SoCs.

Goldmont-based Atom platforms will be codenamed Morganfield (smartphones) and Willow Trail (tablets) using the Broxton SoC.[98]

Similar SoCs

See also

References

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