Fitbit Sense 2 vs Xiaomi Watch S5
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Fitbit Sense 2 |  Xiaomi Watch S5 |
|---|---|---|
| Price | KSh 29,500.00 | KSh 25,000.00 |
| Display | AMOLED | 1.48-inch AMOLED |
| Battery capacity | — | 815 mAh lithium-ion polymer battery |
| Water resistance | Water resistant to 50 m for suitable shallow-water use | 5 ATM |
| Operating system | — | Xiaomi HyperOS 3 |
| Network / cellular | — | No cellular connectivity |
| Positioning / GNSS | Built-in GPS and GLONASS | Built-in dual-band five-system GNSS: GPS, Galileo, GLONASS, BeiDou and QZSS |
| Health & wellness features | Heart rate, blood oxygen, cEDA body response, ECG-compatible, skin-temperature variation and stress features; availability varies and not intended for diagnosis | Heart-rate, blood-oxygen and stress monitoring; one-tap health check |
Full specifications
2 of 4 products
| Specification | Fitbit Sense 2 | Xiaomi Watch S5 |
|---|---|---|
| Identity & design | ||
| Brand | Fitbit | Xiaomi |
| Model | Fitbit Sense 2 | Xiaomi Watch S5 46mm |
| Announced | August 2022 | 28 May 2026 |
| Dimensions | 40.5 × 40.5 × 11.2 mm | 46.00 × 46.00 × 10.99 mm, excluding strap and protrusions |
| Weight | 37.64 g | Approximately 46 g without in-box strap |
| Build materials | Aluminum watch case and buckle; Corning Gorilla Glass 3 | 316L stainless-steel watch body; stainless-steel, ceramic or forged-carbon bezel; glass cover |
| Wrist size | Small: 130–180 mm; large: 165–220 mm; both sizes included | Black/Silver: approximately 140–210 mm; Ceramic Blue/Jungle Green: approximately 135–205 mm |
| Strap / band | Flexible classic sport band; small and large sizes included | Black/Silver: fluororubber; Ceramic Blue: genuine leather; Jungle Green: fluororubber plus nylon braided strap |
| Controls / buttons | Side button and AMOLED touchscreen | Stainless-steel rotating crown; upper and lower buttons; touchscreen |
| Display | ||
| Display | AMOLED | 1.48-inch AMOLED |
| Screen resolution | — | 480 × 480 pixels, 459 ppi |
| Display protection | Corning Gorilla Glass 3 | Drop-resistant glass |
| Display features | Always-on display supported; increases power use | 1,500 nits HBM brightness; up to 2,500 nits peak brightness; wet-touch protection; ultra-narrow 2.6 mm bezel |
| Performance & software | ||
| Operating system | — | Xiaomi HyperOS 3 |
| Connectivity | ||
| Network / cellular | — | No cellular connectivity |
| Wi-Fi | Wi-Fi hardware present but deactivated and cannot be enabled | Not supported |
| Bluetooth | Bluetooth Low Energy | Dual-mode Bluetooth BLE/BT 5.4 |
| NFC | Built-in NFC; supported payment features vary by country and bank | Supported; payments availability varies by region |
| Positioning / GNSS | Built-in GPS and GLONASS | Built-in dual-band five-system GNSS: GPS, Galileo, GLONASS, BeiDou and QZSS |
| Audio & communication | ||
| Speaker | Built-in speaker, rated 75 dB SPL at 10 cm | Supported |
| Microphone | Built-in microphone | Supported |
| Calling | On-wrist Bluetooth calling features depend on phone, app and region support | — |
| Sensors, health & fitness | ||
| Sensors | Multi-path optical heart-rate sensor; cEDA skin-conductance sensor; multipurpose electrical sensors compatible with ECG and EDA apps; red and infrared SpO₂ sensors; gyroscope; altimeter; 3-axis accelerometer; skin-temperature sensor; ambient-light sensor | Heart-rate sensor with blood-oxygen sensor; accelerometer; gyroscope; ambient-light sensor; electronic compass; barometer |
| Health & wellness features | Heart rate, blood oxygen, cEDA body response, ECG-compatible, skin-temperature variation and stress features; availability varies and not intended for diagnosis | Heart-rate, blood-oxygen and stress monitoring; one-tap health check |
| Sleep tracking | Sleep stages, sleep score and overnight wellness tracking | Enhanced sleep monitoring |
| Sports / workout modes | Exercise tracking with SmartTrack automatic exercise recognition; steps, distance, calories and Cardio Fitness Score | 150+ sports modes |
| Training & outdoor features | — | Advanced outdoor-sports tracking; upgraded cycling mode; dual-band GNSS; Bluetooth power-meter connectivity |
| Battery & durability | ||
| Battery capacity | — | 815 mAh lithium-ion polymer battery |
| Battery life | More than 6 days; up to 5 hours with continuous GPS; always-on display, SpO2 and cEDA increase power use | Light use: up to 21 days; normal use: up to 14 days; AOD normal use: up to 9 days |
| Charging | Proprietary charging cable; about one day of battery from 12 minutes of fast charging | 2-pin magnetic charging dock |
| Water resistance | Water resistant to 50 m for suitable shallow-water use | 5 ATM |
| Durability / certifications | 5 ATM under ISO 22810:2010 | — |
| Compatibility | ||
| Phone compatibility | Android 11.0 or later; iOS 16.4 or later; Bluetooth LE and internet required | Android 8.0 or later; iOS 14.0 or later |
| Companion app | Google Health app | Mi Fitness |
| Colors | Shadow Grey / Graphite Aluminum; Lunar White / Platinum Aluminum; Blue Mist / Soft Gold Aluminum | Black; Silver; Ceramic Blue; Jungle Green |
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