Smartwatch Showdown 2025: Top Models Compared, New Features, and Surprising User Insights
In 2024, global smartwatch shipments fell about 7% year-over-year, the first decline for the category, with Apple down about 19% and China becoming the largest single market. The Apple Watch Series 9, released in September 2023, runs watchOS 10 on a new S9 SiP with on-device Siri and a brighter 2000-nit display, includes ECG, SpO2, skin temperature, but lasts about 18 hours per charge. The Apple Watch Ultra 2, launched in 2023, delivers about 36 hours of normal battery life (up to 72 hours in Low Power Mode) with a 3000-nit display and titanium case. Samsung Galaxy Watch6 (2023) uses