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Silvermont

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Silvermont

Silvermont
Model Atom
Transistors 22 nm transistors
Architecture Silvermont x86
Instructions MMX, AES-NI, CLMUL
Extensions
Predecessor Bonnell
Saltwell
Successor Airmont (die shrink,
Goldmont (new microarchitecture)

Silvermont is a microarchitecture for low-power Atom and Celeron branded processors used in systems on a chip (SoCs) made by Intel. Silvermont will form 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]

Design

Silvermont is the first Atom processor to feature an out-of-order architecture.[7]

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)
1-core Normal Turbo
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
J2850 N/A 792 MHz Q3 2013
Celeron J1900 10 W / 2.0 GHz 2.42 GHz 854 MHz Q4 2013 $82
J1850 N/A 792 MHz Q3 2013
 2 (2) J1800 10 W / 2.41 GHz 2.58 GHz 1 MB Q4 2013 $72
J1750 N/A 750 MHz Q3 2013

Server processors (Avoton)

List of server processors as follows:[11]
Target
segment
Cores
(Threads)
Processor
Branding & Model
GPU Model TDP CPU Turbo Graphics Clock rate L2
Cache
Release
Date
Price
(USD)
1-core Normal Turbo
Server  8 (8) Atom C2750 N/A 20 W / 2.4 GHz 2.6 GHz N/A N/A 4 MB Q3 2013 $171
C2730 12 W / 1.7 GHz 2.0 GHz $150
 4 (4) C2550 14 W / 2.4 GHz 2.6 GHz 2 MB $86
C2530 9 W / 1.7 GHz 2.0 GHz $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:[12]
Target
segment
Cores
(Threads)
Processor
Branding & Model
GPU Model TDP CPU Turbo Graphics Clock rate Intel
QuickAssist
L2
Cache
Release
Date
Price
(USD)
1-core Normal Turbo
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 No
C2718 18 W / 2.0 GHz Yes $182
 4 (4) C2558 15 W / 2.4 GHz 2 MB $104
C2538 No
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 No
C2308 6 W / 1.25 GHz N/A Yes Q2 2014

Embedded/automotive processors (Bay Trail-I)

List of embedded processors as follows:[13]
Target
segment
Cores
(Threads)
Processor
Branding & Model
GPU Model TDP CPU Turbo Graphics Clock rate L2
Cache
Release
Date
Price
(USD)
1-core Normal Turbo
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 1 MB $41
E3826 7 W / 1.46 GHz 533 MHz 677 MHz $37
E3825 6 W / 1.33 GHz 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

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)
Normal Turbo
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 2.58 GHz 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 2.16 GHz 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 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
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[14] Max CPU
Turbo
Graphics Clock rate L2
Cache
Memory
Standard
Max
Memory Bandwidth
Max
Memory Supported
Max Display Resolution Release
Date
Price
(USD)
Normal Turbo
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
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
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
 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
Z3680D ? / 1.33 GHz 311 MHz 688 MHz DDR3L-RS 1333 Single Channel 10.6 GB/s 2 GB 1920×1280

Smartphone processors (Merrifield and Moorefield)

List of smartphone processors as follows:


|}


List of Airmont processors

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)
1-core Normal Turbo
Mobile 4 (4) Pentium N3700 Intel HD Graphics
(16 EU)
6W /
1.6 GHz
2.4 GHz 400 MHz 700 MHz 2 MB Q1 2015 $161
Celeron N3150 Intel HD Graphics
(12 EU)
2.08 GHz 320 MHz 640 MHz $107
2 (2) N3050 2.16 GHz 600 MHz 1 MB
[note 1]
N3000 4W / 1.04 GHz 2.08 GHz
  1. ^ 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

Smartphone and Tablet processors (Cherry Trail)

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)
1-core Normal Turbo
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 $25
Z8300 1.84 GHz 500 MHz Q2 2015 $20

Roadmap

Airmont is the 14 nm shrink of Silvermont.[7]

The Braswell SoC will be aimed at PCs, while the Cherry Trail SoC will be aimed at tablets.[15]

See also

References

  1. ^
  2. ^
  3. ^
  4. ^
  5. ^
  6. ^
  7. ^ a b Intel’s Silvermont Architecture Revealed: Getting Serious About Mobile
  8. ^ https://downloadcenter.intel.com/download/24973
  9. ^
  10. ^
  11. ^
  12. ^
  13. ^
  14. ^
  15. ^
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