The Apple S2 is the integrated computer in the
Apple Watch Series 2, and it is described as a "
System in Package" (SiP) by
Apple Inc
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, United States. Apple is the largest technology company by revenue (totaling in 2021) and, as of June 2022, is the world's biggest company ...
.
It was revealed on September 7, 2016, with very little info about specifications. Apple says its two cores deliver 50% higher performance and the GPU delivers twice as much as the predecessor, the
Apple S1
The Apple S1 is the integrated computer in the Apple Watch, and it is described as a "System in Package" (SiP) by Apple Inc.
Samsung is said to be the main supplier of key components, such as the RAM and NAND flash storage, and the assembly i ...
.
The S1P SiP shipped in the
Apple Watch Series 1 is a stripped down version of the S2 that lacks the GPS functionality, it is otherwise identical.
System-in-Package design
It uses a customized
application processor that together with 512 MB
memory
Memory is the faculty of the mind by which data or information is encoded, stored, and retrieved when needed. It is the retention of information over time for the purpose of influencing future action. If past events could not be remembered ...
,
8 GB
storage and support processors for wireless connectivity,
GPS
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite sy ...
, sensors and
I/O constitute a complete computer in a single package. This package is filled with
resin
In polymer chemistry and materials science, resin is a solid or highly viscous substance of plant or synthetic origin that is typically convertible into polymers. Resins are usually mixtures of organic compounds. This article focuses on n ...
for durability.
Components
The device integrates discrete components like
Wi-Fi
Wi-Fi () is a family of wireless network protocols, based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio wav ...
,
Bluetooth
Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limi ...
,
GPS
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite sy ...
,
NFC, touch controller,
accelerometer
An accelerometer is a tool that measures proper acceleration. Proper acceleration is the acceleration (the rate of change of velocity) of a body in its own instantaneous rest frame; this is different from coordinate acceleration, which is acc ...
s,
barometric sensor
An altimeter or an altitude meter is an instrument used to measure the altitude of an object above a fixed level. The measurement of altitude is called altimetry, which is related to the term bathymetry, the measurement of depth under water. The m ...
and
RAM
Ram, ram, or RAM may refer to:
Animals
* A male sheep
* Ram cichlid, a freshwater tropical fish
People
* Ram (given name)
* Ram (surname)
* Ram (director) (Ramsubramaniam), an Indian Tamil film director
* RAM (musician) (born 1974), Dutch
* ...
. In total, there are 42 individual
silicon dies integrated into the single S2 component.
Images
File:Apple S2 module.png, An illustration of the encapsulated S2 package.
File:Apple S2 in watch.jpg, This is how large the S2 is compared to the Apple Watch Series 2 case.
See also
*
Apple silicon
Apple silicon is a series of system on a chip (SoC) and system in a package (SiP) processors designed by Apple Inc., mainly using the ARM architecture. It is the basis of most new Mac computers as well as iPhone, iPad, iPod Touch, Apple TV, ...
, the range of ARM-based processors designed by Apple.
*
Apple Watch
Apple Watch is a line of smartwatches produced by Apple Inc. It incorporates fitness tracking, health-oriented capabilities, and wireless telecommunication, and integrates with iOS and other Apple products and services. The Apple Watch was rel ...
References
{{Apple hardware since 1998
S2