Apple S3

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Apple S3
Apple S3 module.png
Produced From September 2017 to Present
Designed by Apple Inc.
Instruction set ARM
Cores 2
Predecessor Apple S2
Application Apple Watch Series 3

The Apple S3 is the integrated computer in the Apple Watch Series 3, and it is described as a "System in Package" (SiP) by Apple Inc.

It was revealed on September 12, 2017. Apple says its two cores are 70% faster than the Apple S2.[1][2] The S3 contains a barometric altimeter, the W2 wireless connectivity processor, and in some models UMTS (3G) and LTE (4G) cellular modems served by a built-in eSIM.[1]

Tech Insights discovered that the S3 SiP contains 768 MB of DRAM and 16 GB flash memory, 1.5 and 2 times that of the S2.[3]

Components[edit]

Tech Insights identified the following components in the Apple S3 SiP.[3]

  • Baseband Processor: Qualcomm MDM9635M, a Snapdragon X7 LTE Modem
  • DRAM: SK Hynix H54T6D63M, 768 MB LPDDR4 SDRAM
  • Apple dual-core processor, probably under DRAM
  • NAND: 4x Toshiba FPV7_32G, total of 16GB flash memory
  • Wifi + Bluetooth: Apple 338S00348 (W2 chip)
  • RF Components: Qualcomm WTR3925 RF, AFEM-8069 Front-End Module, Skyworks SKY 78198 Power Amplifier Module (PAM), Qualcomm QFE3100 Envelope Tracker
  • NFC: NXP PN80V NFC
  • MCU: STMicro ST33G1M2, a 32-bit ARM SC300 MCU.

See also[edit]

References[edit]

  1. ^ a b "Apple Watch Series 3 features built-in cellular and more". Apple Newsroom. Retrieved 2017-09-16. 
  2. ^ Price, David. "Apple Watch 3 is now on sale! Here's everything you need to know". Macworld UK. Retrieved 2017-09-30. 
  3. ^ a b techinsights.com. "Apple Watch Series 3 Teardown". www.techinsights.com. Retrieved 2018-03-05.