Silvermont

This article is about the Intel microarchitecture. For the home in North Carolina, see Silvermont (Brevard, North Carolina).

Silvermont
Model	Atom
Transistors	22 nm transistors
Architecture	Silvermont x86
Instructions	MMX, AES-NI, CLMUL
Extensions	x86-64, Intel 64 SSE, SSE2, SSE3, SSSE3, SSE4, SSE4.1, SSE4.2 VT-x
Predecessor	Bonnell Saltwell
Successor	Airmont (die shrink), Goldmont (new microarchitecture)

Silvermont is a microarchitecture for low-power Atom, Celeron and Pentium branded processors used in systems on a chip (SoCs) made by Intel. Silvermont forms the basis for a total of four SoC families:^[1]

Merrifield and Moorefield – consumer SoCs intended for smartphones
Bay Trail – consumer SoCs aimed at tablets, hybrid devices, netbooks, nettops, and embedded/automotive systems
Avoton – SoCs for micro-servers and storage devices
Rangeley – SoCs targeting network and communication infrastructure.

Silvermont was announced to news media on May 6, 2013 at Intel's headquarters at Santa Clara, California.^[2]^[3] Intel has repeatedly said the first Bay Trail devices will be available during the Holiday 2013 timeframe, while leaked slides show the most recent release window for Bay Trail-T as August 28-September 13, 2013.^[4] Both Avoton and Rangeley were announced as being available in the second half of 2013. The first Merrifield devices are expected in 1H14.^[5]

Airmont is the 14 nm die shrink of Silvermont, launched in early 2015 and first seen in the Atom x7-Z8700 as used in the Microsoft Surface 3.^[6] Airmont microarchitecture includes the following SoC families:^[7]

Braswell – consumer SoCs aimed at PCs
Cherry Trail – consumer SoCs aimed at tablets.

Design

Silvermont is the first Atom processor to feature an out-of-order architecture.^[8]

Technology

List of Silvermont processors

Desktop processors (Bay Trail-D)

List of desktop processors as follows:

Target segment	Cores (Threads)	Processor Branding & Model		GPU Model	TDP	Turbo	Graphics Clock rate		L2 Cache	Release Date	Price (USD)
Target segment	Cores (Threads)	Processor Branding & Model		GPU Model	TDP	1-core	Normal	Turbo	L2 Cache	Release Date	Price (USD)
Value	4 (4)	Pentium	J2900	Intel HD Graphics (4 EU)	10 W / 2.41 GHz	2.67 GHz	688 MHz	896 MHz	2 MB	Q4 2013	$94
		Pentium	J2850		10 W / 2.41 GHz	N/A		792 MHz		Q3 2013	$94
		Celeron	J1900		10 W / 2.0 GHz	2.42 GHz		854 MHz		Q4 2013	$82
			J1850		10 W / 2.0 GHz	N/A		792 MHz		Q3 2013	$82
	2 (2)		J1800		10 W / 2.41 GHz	2.58 GHz		792 MHz	1 MB	Q4 2013	$72
	2 (2)		J1750		10 W / 2.41 GHz	N/A		750 MHz	1 MB	Q3 2013	$72

Server processors (Avoton)

List of server processors as follows:^[12]

Target segment	Cores (Threads)	Processor Branding & Model		GPU Model	TDP	CPU Turbo	Graphics Clock rate		L2 Cache	Release Date	Price (USD)
Target segment	Cores (Threads)	Processor Branding & Model		GPU Model	TDP	1-core	Normal	Turbo	L2 Cache	Release Date	Price (USD)
Server	8 (8)	Atom	C2750	N/A	20 W / 2.4 GHz	2.6 GHz	N/A	N/A	4 MB	Q3 2013	$171
	8 (8)		C2730		12 W / 1.7 GHz	2.0 GHz			4 MB		$150
	4 (4)		C2550		14 W / 2.4 GHz	2.6 GHz			2 MB		$86
	4 (4)		C2530		9 W / 1.7 GHz	2.0 GHz			2 MB		$70
	2 (2)		C2350		6 W / 1.7 GHz	2.0 GHz			1 MB		$43

Communications processors (Rangeley)

List of upcoming communications processors as follows:^[13]

Target segment	Cores (Threads)	Processor Branding & Model		GPU Model	TDP	CPU Turbo	Graphics Clock rate		Intel QuickAssist	L2 Cache	Release Date	Price (USD)
Target segment	Cores (Threads)	Processor Branding & Model		GPU Model	TDP	1-core	Normal	Turbo	Intel QuickAssist	L2 Cache	Release Date	Price (USD)
Communications	8 (8)	Atom	C2758	N/A	20 W / 2.4 GHz	N/A	N/A	N/A	Yes	4 MB	Q3 2013	$208
			C2738		20 W / 2.4 GHz				No			$208
			C2718		18 W / 2.0 GHz				Yes			$182
	4 (4)		C2558		15 W / 2.4 GHz				Yes	2 MB		$104
			C2538		15 W / 2.4 GHz				No			$104
			C2518		13 W / 1.7 GHz				Yes			$91
			C2508		9.5 W / 1.25 GHz						Q2 2014	$98
	2 (2)		C2358		7 W / 1.7 GHz	2.0 GHz				1 MB	Q3 2013	$60
			C2338		7 W / 1.7 GHz	2.0 GHz			No		Q3 2013
			C2308		6 W / 1.25 GHz	N/A			Yes		Q2 2014

Embedded/automotive processors (Bay Trail-I)

List of embedded processors as follows:^[14]

Target segment	Cores (Threads)	Processor Branding & Model		GPU Model	TDP	CPU Turbo	Graphics Clock rate		L2 Cache	Release Date	Price (USD)
Target segment	Cores (Threads)	Processor Branding & Model		GPU Model	TDP	1-core	Normal	Turbo	L2 Cache	Release Date	Price (USD)
Embedded	4 (4)	Atom	E3845	Intel HD Graphics (4 EU)	10 W / 1.91 GHz	N/A	542 MHz	792 MHz	2 MB	Q4 2013	$52
	2 (2)		E3827		8 W / 1.75 GHz		542 MHz	792 MHz	1 MB		$41
			E3826		7 W / 1.46 GHz		533 MHz	677 MHz			$37
			E3825		6 W / 1.33 GHz		533 MHz	N/A			$34
	1 (1)		E3815		5 W / 1.46 GHz		400 MHz		512 KB		$31
	2 (2)		E3805	N/A	3 W / 1.33 GHz		N/A		1 MB	Q4 2014	$31

Mobile processors (Bay Trail-M)

List of mobile processors as follows:

Target segment	Cores (Threads)	Processor branding & model		GPU model	TDP	CPU turbo	Graphics Clock rate		L2 Cache	Release date	Price (USD)
Target segment	Cores (Threads)	Processor branding & model		GPU model	TDP	CPU turbo	Normal	Turbo	L2 Cache	Release date	Price (USD)
Value	4 (4)	Pentium	N3540	Intel HD Graphics (4 EU)	7.5 W / 2.16 GHz	2.66 GHz	313 MHz	896 MHz	2 MB	2014-07-20	$161
			N3530		7.5 W / 2.16 GHz	2.58 GHz		896 MHz		2014-02-23
			N3520		7.5 W / 2.166 GHz	2.42 GHz		854 MHz		2013-11-03
			N3510		7.5 W / 2.0 GHz	N/A		750 MHz		2013-09-11
		Celeron	N2940		7.5 W / 1.83 GHz	2.25 GHz		854 MHz		Q3 2014	$107
			N2930		7.5 W / 1.83 GHz	2.16 GHz		854 MHz		2014-02-23
			N2920		7.5 W / 1.86 GHz	2.0 GHz		844 MHz		2013-11-03
			N2910		7.5 W / 1.6 GHz	N/A		756 MHz		2013-09-11
	2 (2)		N2840		7.5 W / 2.16 GHz	2.58 GHz	311 MHz	792 MHz	1 MB	Q3 2014
			N2830		7.5 W / 2.16 GHz	2.41 GHz	313 MHz	750 MHz		2014-02-23
			N2820		7.5 W / 2.13 GHz	2.39 GHz		756 MHz		2013-11-03
			N2815		7.5 W / 1.86 GHz	2.13 GHz				2013-11-03
			N2810		7.5 W / 2.0 GHz	N/A				2013-09-11
			N2808		4.5 W / 1.58 GHz	2.25 GHz	311 MHz	792 MHz		Q3 2014
			N2807		4.3 W / 1.58 GHz	2.16 GHz	313 MHz	750 MHz		2014-02-23
			N2806		4.5 W / 1.6 GHz	2.0 GHz		756 MHz		2013-11-03
			N2805		4.3 W / 1.46 GHz	N/A		667 MHz		2013-09-11

Tablet processors (Bay Trail-T)

List of tablet and hybrid processors as follows:

Target segment	Cores (Threads)	Processor Branding & Model		GPU Model	SDP^[15]	Max CPU Turbo	Graphics Clock rate		L2 Cache	Memory Standard	Max Memory Bandwidth	Max Memory Supported	Max Display Resolution	Release Date	Price (USD)
Target segment	Cores (Threads)	Processor Branding & Model		GPU Model	SDP^[15]	Max CPU Turbo	Normal	Turbo	L2 Cache	Memory Standard	Max Memory Bandwidth	Max Memory Supported	Max Display Resolution	Release Date	Price (USD)
Value	4 (4)	Atom	Z3795	Intel HD Graphics (4 EU)	2 W / 1.66 GHz	2.39 GHz	311 MHz	778 MHz	2 MB	LPDDR3 1067MT/s Dual Channel	17.1 GB/s	4 GB		Q1 2014	$40.00
			Z3785		2.2 W / 1.49 GHz	2.41 GHz	313 MHz	833 MHz		LPDDR3 1333MT/s Dual Channel	21.3 GB/s	4 GB		Q2 2014
			Z3775		2 W / 1.46 GHz	2.39 GHz	311 MHz	778 MHz		LPDDR3 1067MT/s Dual Channel	17.1 GB/s	4 GB		Q1 2014	$35.00
			Z3775D		2.2 W / 1.49 GHz	2.41 GHz	311 MHz	792 MHz		LPDDR3 1333MT/s Dual Channel	10.6 GB/s	4 GB		Q1 2014	$35.00
			Z3770		2 W / 1.46 GHz	2.39 GHz	311 MHz	667 MHz		LPDDR3 1067 Dual Channel	17.1 GB/s	4 GB	2560×1600	11 September 2013	$37.00
			Z3770D		2.2 W / 1.5 GHz	2.41 GHz	313 MHz	688 MHz		DDR3L-RS 1333 Single Channel	10.6 GB/s	2 GB	1920×1280		$37.00
			Z3740		2 W / 1.33 GHz	1.86 GHz	311 MHz	667 MHz		LPDDR3 1067 Dual Channel	17.1 GB/s	4 GB	2560×1600		$32.00
			Z3740D		2.2 W / 1.33 GHz	1.83 GHz	313 MHz	688 MHz		DDR3L-RS 1333 Single Channel	10.6 GB/s	2 GB	1920×1280		$32.00
			Z3735F		2.2 W / 1.33 GHz	1.83 GHz	311 MHz	646 MHz		DDR3L-RS 1333 Single Channel	10.6 GB/s	2 GB	1920×1200	Q1 2014	$17.00
			Z3735G		2.2 W / 1.33 GHz	1.83 GHz	311 MHz	646 MHz		DDR3L-RS 1333 Single Channel	5.3 GB/s	1 GB	1200×800	Q1 2014	$17.00
	2 (2)		Z3680		? / 1.33 GHz	2.0 GHz	311 MHz	667 MHz	1 MB	LPDDR3 1067 Single Channel	8.5 GB/s	1 GB	1280×800	11 September 2013	N/A
	2 (2)		Z3680D		? / 1.33 GHz	2.0 GHz	311 MHz	688 MHz	1 MB	DDR3L-RS 1333 Single Channel	10.6 GB/s	2 GB	1920×1280	11 September 2013	N/A

Smartphone processors (Merrifield and Moorefield)

List of smartphone processors as follows:

Model number	sSpec number	Frequency	GPU frequency	L2 cache	Memory	Release date	Part number(s)
Atom Z3460	SR1WR (B1) SR20G (B1) SR20U (B1)	1.6 GHz	400-457 MHz	1 MB	2 × LPDDR3-1066	March 2014	FG8065201850100
Atom Z3480	SR1WS (B1) SR20F (B1)	2.13 GHz	457-533 MHz	1 MB	2 × LPDDR3-1066	March 2014	FG8065201850200
Atom Z3530	SR1YR (B0)	1.33 GHz	457 MHz	2 × 1 MB	2 × LPDDR3-1600	H2 2014	GA8066301896101
Atom Z3560	SR1WW (B0) SR1WX (B0)	1.83 GHz	457–533 MHz	2 × 1 MB	2 × LPDDR3-1600	H2 2014	GA8066301600200
Atom Z3570		2.00 GHz	457–640 MHz	2 × 1 MB	2 × LPDDR3-1600	Q4 2014
Atom Z3580	SR1WU (B0) SR1WV (B0)	2.33 GHz	457–533 MHz	2 × 1 MB	2 × LPDDR3-1600	H2 2014	GA8066301600100
Atom Z3590		2.50 GHz	457-640 MHz	2 × 1 MB	2 × LPDDR3-1600	H2 2015

List of Airmont processors

Desktop processors (Braswell)

List of desktop processors as follows:

Target segment	Cores (Threads)	Processor Branding & Model		GPU Model		TDP	Turbo	Graphics Clock rate		L2 Cache	Release Date	Price (USD)
Target segment	Cores (Threads)	Processor Branding & Model		GPU Model		TDP	1-core	Normal	Turbo	L2 Cache	Release Date	Price (USD)
Desktop	4 (4)	Pentium	J3710	Intel HD Graphics 405	(16 EU)	6.5 W / 1.6 GHz	2.64 GHz	400 MHz	740 MHz	2 MB	January 2016	N/A
	4 (4)	Celeron	J3160	Intel HD Graphics 400	(12 EU)	6 W / 1.6 GHz	2.24 GHz	320 MHz	700 MHz	2 MB		N/A
	2 (2)	Celeron	J3060	Intel HD Graphics 400	(12 EU)	6 W / 1.6 GHz	2.48 GHz	320 MHz	700 MHz	1 MB ^{[note 1]}		N/A

Mobile processors (Braswell)

List of mobile processors as follows:

Target segment	Cores (Threads)	Processor Branding & Model		GPU Model		TDP	Turbo	Graphics Clock rate		L2 Cache	Release Date	Price (USD)
Target segment	Cores (Threads)	Processor Branding & Model		GPU Model		TDP	1-core	Normal	Turbo	L2 Cache	Release Date	Price (USD)
Mobile	4 (4)	Pentium	N3710	Intel HD Graphics 405	(16 EU)	6W / 1.6 GHz	2.56 GHz	400 MHz	700 MHz	2 MB	Q1 2016	N/A
		Pentium	N3700	Intel HD Graphics (Braswell) ^{[note 2]}	(16 EU)		2.4 GHz	400 MHz	700 MHz		Q1 2015	$161
		Celeron	N3160	Intel HD Graphics 400	(12 EU)		2.24 GHz	320 MHz	640 MHz		Q1 2016	N/A
			N3150	Intel HD Graphics (Braswell) ^{[note 2]}			2.08 GHz		640 MHz		Q1 2015	$107
	2 (2)		N3060	Intel HD Graphics 400			2.48 GHz		600 MHz	1 MB ^{[note 1]}	Q1 2016	N/A
			N3050	Intel HD Graphics (Braswell) ^{[note 2]}			2.16 GHz				Q1 2015	$107
			N3010	Intel HD Graphics 400		4W / 1.04 GHz	2.24 GHz				Q1 2016	N/A
			N3000	Intel HD Graphics (Braswell) ^{[note 2]}		4W / 1.04 GHz	2.08 GHz				Q1 2015	$107

1 2 2-core variants are erroneously described as featuring 2 MB L2 cache on Intel ARK, but in fact only have 1 MB L2 cache; see Anthony Shvets (March 31, 2015). "Intel quietly launches Braswell processors". CPU World.
1 2 3 4 Klaus Hinum (January 26, 2016). "Intel HD Graphics (Braswell)". Notebookcheck Publishing GmbH.

Smartphone and Tablet processors (Cherry Trail)

Further information: List of Intel Atom microprocessors § "Cherry Trail-T" (14 nm)

List of smartphone and tablet processors as follows:

Target segment	Cores (Threads)	Processor Branding & Model		GPU Model	SDP	Turbo	Graphics Clock rate		L2 Cache	Release Date	Price (USD)
Target segment	Cores (Threads)	Processor Branding & Model		GPU Model	SDP	1-core	Normal	Turbo	L2 Cache	Release Date	Price (USD)
Smartphone / Tablet	4 (4)	Atom x7	Z8700	Intel HD Graphics (16 EU)	2W / 1.6 GHz	2.4 GHz	200 MHz	600 MHz	2 MB	Q1 2015	$35
		Atom x5	Z8500	Intel HD Graphics (12 EU)	2W / 1.44 GHz	2.24 GHz		600 MHz		Q1 2015	$25
		Atom x5	Z8300	Intel HD Graphics (12 EU)	2W / 1.44 GHz	1.84 GHz		500 MHz		Q2 2015	$20

Roadmap

The main article for this category is Intel Tick-Tock.

Intel CPU core roadmaps from NetBurst and P6 to Cannonlake

NetBurst

⤷

⤷

Core

Nehalem

Sandy Bridge

Haswell

Skylake

Bonnell

Silvermont

Goldmont

References

↑ "Intel Launches Low-Power, High-Performance Silvermont Microarchitecture". Intel.com. Retrieved 2013-05-06.
↑ "Deep inside Intel's new ARM killer: Silvermont". The Register. 2013-05-08. Retrieved 2014-04-08.
↑ "Intel Launches Low-Power, High-Performance Silvermont Microarchitecture". Newsroom.intel.com. 2013-05-06. Retrieved 2014-04-08.
↑ "Intel Bay Trial-T launches August 28 - September 13". guru3d.com. Retrieved 2013-07-04.
↑ "Intel reveals Merrifield processor". engadget.com. Retrieved 2013-06-04.
↑ Joel Hruska (March 31, 2015). "Intel quietly launches 14nm Braswell, Bay Trail’s successor". ExtremeTech.
↑ Michael Kan. "Intel plans new 'Braswell' chip for PCs, over 20 Chromebooks". PCWorld. Retrieved 2014-04-08.
↑ Intel’s Silvermont Architecture Revealed: Getting Serious About Mobile
↑ https://downloadcenter.intel.com/download/25313
↑ "Intel HD Graphics Drivers v10.18.10.3621 with one new OpenGL Extension". Geeks3D. Retrieved 2014-06-05.
↑ "OpenGL ES Conformant product list". Khronos Group. 11 January 2014. Retrieved 11 January 2014.
↑ "Intel® Atom™ Processor for Server". Ark.intel.com. Retrieved 2014-04-08.
↑ "Intel® Atom™ Processor for Communications". Ark.intel.com. Retrieved 2014-04-08.
↑ "Products (Formerly Bay Trail)". Ark.intel.com. Retrieved 2014-04-08.
↑ "Intel® Atom™ Processor Z36xxx and Z37xxx Series: Datasheet, V.1". Intel.com. Retrieved 2014-04-08.

Intel processors

Discontinued

BCD oriented (4-bit)	4004 (1971) 4040 (1974)

pre-x86 (8-bit)	8008 (1972) 8080 (1974) 8085 (1977)

Early x86 (16-bit)	8086 (1978) 8088 (1979) 80186 (1982) 80188 (1982) 80286 (1982)

x87 (external FPUs)	8/16-bit databus 8087 (1980) 16-bit databus 80187 80287 80387SX 32-bit databus 80387DX 80487

IA-32 (32-bit)	80386 SX 376 EX 80486 SX DX2 DX4 SL RapidCAD OverDrive A100/A110 Celeron (1998) M D (2004) Pentium Original OverDrive Pro II II OverDrive III 4 M Dual-Core Core Solo Duo

x86-64 (64-bit)	Celeron D Dual-Core Pentium 4 D Extreme Edition Dual-Core Core 2 i7 (some)

Other	CISC iAPX 432 RISC i860 i960 StrongARM XScale

Current

IA-32 (32-bit)	EP80579 Atom CE SoC Quark

x86-64 (64-bit)	Atom CE SoC Celeron Pentium Core i3 i5 i7 m3 m5 m7 Xeon E7 E5 E3 Phi

EPIC	Itanium

Lists

Atom Celeron Core 2 i3 i5 i7 M Itanium Pentium Pro II III 4 D M Dual-Core Xeon

Related

Chipsets PCHs SCHs ICHs PIIXs GPUs Codenames GMA HD and Iris Graphics

Microarchitectures

P5	800 nm P5 600 nm P54C 350 nm P54CS P55C 250 nm Tillamook

P6 / Pentium M / Enhanced Pentium M	500 nm P6 350 nm P6 Klamath 250 nm Mendocino Dixon Tonga Covington Deschutes Katmai Drake Tanner 180 nm Coppermine Coppermine T Timna Cascades 130 nm Tualatin Banias 90 nm Dothan Stealey Tolapai Canmore 65 nm Yonah Sossaman

NetBurst	180 nm Willamette Foster 130 nm Northwood Gallatin Prestonia 90 nm Tejas and Jayhawk Prescott Smithfield Nocona Irwindale Cranford Potomac Paxville 65 nm Cedar Mill Presler Dempsey Tulsa

Core / Penryn	65 nm Merom-L Merom Conroe-L Allendale Conroe Kentsfield Woodcrest Clovertown Tigerton 45 nm Penryn Penryn-QC Wolfdale Yorkfield Wolfdale-DP Harpertown Dunnington

Bonnell / Saltwell	45 nm Silverthorne Diamondville Pineview Lincroft Tunnel Creek Stellarton Sodaville Groveland 32 nm Cedarview Penwell Cloverview Berryville Centerton

Nehalem / Westmere	45 nm Clarksfield Lynnfield Jasper Forest Bloomfield Gainestown (Nehalem-EP) Beckton (Nehalem-EX) 32 nm Arrandale Clarkdale Gulftown (Westmere-EP) Westmere-EX

Sandy Bridge / Ivy Bridge	32 nm Sandy Bridge Sandy Bridge-E Gladden 22 nm Ivy Bridge Ivy Bridge-EP Ivy Bridge-EX

Haswell / Broadwell	22 nm Haswell 14 nm Broadwell

Silvermont / Airmont	22 nm Valleyview Tangier Anniedale 14 nm Cherryview

Skylake/Kaby Lake/Cannonlake	14 nm Skylake Kaby Lake 10 nm Cannonlake

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Silvermont

Design

Technology

List of Silvermont processors

Desktop processors (Bay Trail-D)

Server processors (Avoton)

Communications processors (Rangeley)

Embedded/automotive processors (Bay Trail-I)

Mobile processors (Bay Trail-M)

Tablet processors (Bay Trail-T)

Smartphone processors (Merrifield and Moorefield)

List of Airmont processors

Desktop processors (Braswell)

Mobile processors (Braswell)

Smartphone and Tablet processors (Cherry Trail)

Roadmap

See also

References