Apple S3
| File:Apple S3 module.png | |
| Produced | From September 2017 to Present |
|---|---|
| Designed by | Apple Inc. |
| Instruction set | ARM |
| Cores | 2 |
| Predecessor | Apple S2 |
| Successor | Apple S4 |
| Application | Apple Watch Series 3 |
The Apple S3 is the integrated computer in the Apple Watch Series 3, and is custom-designed "System in Package" (SiP) by Apple Inc.[1]
The 32-bit chipset was revealed on September 12, 2017. According to Apple, the S3's two cores are 70% faster than the Apple S2.[2][3] It is able to launch app faster and allowed smoother user interface in comparison with the S2 chip.[4] The S3 also 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.[2] The barometer was integrated to accurately track physical activities.[5]
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.[6]
After the Apple S4 chip was released in 2018, the S3-powered Apple Watch was retained but sold at a lower cost.[7]
Components
Tech Insights identified the following components in the Apple S3 SiP.[6]
- 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
- Apple-designed processors, the range of ARM-based mobile processors designed by Apple for their consumer electronic devices
References
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