Amazfit Active 2 Premium Round vs Xiaomi Watch S3
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Amazfit Active 2 Premium Round |  Xiaomi Watch S3 |
|---|---|---|
| Price | KSh 22,000.00 | KSh 18,000.00 |
| Display | 1.32-inch AMOLED touchscreen | 1.43-inch AMOLED |
| Battery capacity | 270 mAh rated | 486 mAh lithium-ion polymer |
| Water resistance | 5 ATM | 5 ATM rated for suitable shallow-water activities |
| Operating system | Zepp OS | Xiaomi HyperOS |
| Positioning / GNSS | Built-in five-satellite positioning with circularly polarized antenna | BeiDou, GPS, GLONASS, Galileo and QZSS |
| Health & wellness features | Heart rate, blood oxygen, stress, readiness, HRV, PAI and temperature insights; wellness measurements are not intended for medical diagnosis | Heart rate, blood oxygen, stress, breathing and activity tracking; wellness data is not intended for medical diagnosis |
Full specifications
2 of 4 products
| Specification | Amazfit Active 2 Premium Round | Xiaomi Watch S3 |
|---|---|---|
| Identity & design | ||
| Brand | Amazfit | Xiaomi |
| Model | Active 2 Premium (Round) | Xiaomi Watch S3 (M2323W1) |
| Announced | — | October 2023 |
| Dimensions | 43.9 × 43.9 × 9.9 mm (heart-rate sensor base excluded) | 47 × 47 × 12 mm |
| Weight | 31.65 g without strap | 44 g (strap excluded) |
| Build materials | Stainless-steel bezel, polymer middle frame and sapphire-glass touchscreen | Aluminum-alloy frame, stainless-steel interchangeable bezel, and Corning glass |
| Wrist size | 150–210 mm with included leather strap | 140–210 mm |
| Strap / band | 20 mm quick-release leather strap with classic pin buckle | Fluororubber strap |
| Controls / buttons | Two physical buttons and touchscreen | Rotating crown, side control, interchangeable bezel interaction, and touchscreen |
| Display | ||
| Display | 1.32-inch AMOLED touchscreen | 1.43-inch AMOLED |
| Screen resolution | 466 × 466 pixels, 353 ppi | 466 × 466 pixels (~326 ppi) |
| Display protection | Sapphire glass | — |
| Display features | Up to 2,000 nits peak brightness; peak brightness is unavailable below 30% battery | Always-on display supported |
| Performance & software | ||
| Operating system | Zepp OS | Xiaomi HyperOS |
| Connectivity | ||
| Bluetooth | Bluetooth 5.2 BLE | Bluetooth 5.2 |
| NFC | — | Supported; availability varies by region |
| Positioning / GNSS | Built-in five-satellite positioning with circularly polarized antenna | BeiDou, GPS, GLONASS, Galileo and QZSS |
| Audio & communication | ||
| Speaker | Built-in speaker | Built-in speaker |
| Microphone | Built-in microphone | Built-in microphone |
| Calling | Bluetooth calling when paired with a compatible phone | Bluetooth calling when paired with a compatible phone |
| Sensors, health & fitness | ||
| Sensors | BioTracker 6.0 PPG biometric sensor, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient-light sensor and temperature sensor | Heart-rate/blood-oxygen sensor, accelerometer, gyroscope, electronic compass, barometer, ambient-light sensor and Hall sensor |
| Health & wellness features | Heart rate, blood oxygen, stress, readiness, HRV, PAI and temperature insights; wellness measurements are not intended for medical diagnosis | Heart rate, blood oxygen, stress, breathing and activity tracking; wellness data is not intended for medical diagnosis |
| Sleep tracking | Sleep stages, naps, sleep score and HRV-based recovery insights | Sleep monitoring supported |
| Sports / workout modes | More than 160 sports modes, including HYROX Race | More than 150 sports modes |
| Training & outdoor features | Zepp Coach, recovery and conditioning insights, five-system positioning and route/navigation tools | — |
| Battery & durability | ||
| Battery capacity | 270 mAh rated | 486 mAh lithium-ion polymer |
| Battery life | Up to 10 days typical use, 19 days battery-saver mode, 5 days heavy use or 21 hours continuous GPS | Up to 15 days typical use with Android, 14.5 days with iOS, or 5 days with always-on display |
| Charging | Magnetic charging base; approximately 2 hours | 2-pin magnetic charging dock |
| Water resistance | 5 ATM | 5 ATM rated for suitable shallow-water activities |
| Compatibility | ||
| Phone compatibility | Compatible Android and iOS phones supported by the Zepp app | Android 8.0 or later; iOS 12.0 or later |
| Companion app | Zepp app | Mi Fitness |
| Colors | Black with premium leather strap | Black or Silver; bezel and strap options vary by market |
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