In depth comparison and review of Xiaomi Mi Watch and Apple Watch Ultra 2. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.
| GENERAL | Xiaomi Mi Watch | Apple Watch Ultra 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | WatchOS 10 |
| Supported Host Device OS | iOS 10 or later, Android 5.0 (Lollipop) or later | iOS 17 or later |
| Activity/Sport | - | Multisport, custom workouts |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Three-microphone array |
| Audio Output | - | Dual speakers |
| Body Details | Case only: 32 g | Case only: 61.4 g |
| Body Material | Glass fibre reinforced polyamide | Aerospace-grade titanium |
| Protection | Water-resistant | Water-resistant, splash-resistant, corrosion resistant, dust-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Xiaomi Mi Watch | Apple Watch Ultra 2 |
|---|
| Sensors | Accelerometer, ambient light sensor, geomagnetic sensor, barometric altimeter, optical heart sensor, gyroscope | Accelerometer, ambient light sensor, digital compass, depth gauge, electrical heart sensor, ECG sensor, blood oxygen sensor, gyroscope, water temperature sensor, temperature sensing, optical heart sensor (3d gen), always-on altimeter |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, stress level, recovery time, vital signs | Distance, time, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, rapid eye movement (REM), depth |
| Modes | 117 workout modes | Night mode |
| Goal Setting | Yes | Yes |
| Features | Find phone function, flashlight, automatic exercise recognition, alarm, timer, breathing training function, music playback control, weather information, event reminders, off-the-wrist password protection | Call handling, store & play music, Fall detection, Emergency SOS, heart rate zones, Family Setup support, International Emergency Calling, Siren (86-decibel), Crash Detection, noise monitoring, Compass Waypoint, precision finding for iPhone, brightness: 3000 nits, flashlight boost, track detection |
| Notifications | SMS, Email, social apps, incoming calls | Calendar, SMS, Email, high and low heart rate, irregular rhythm, cardio fitness |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | - | Apple Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Siri |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Xiaomi Mi Watch | Apple Watch Ultra 2 |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Xiaomi Mi Watch | Apple Watch Ultra 2 |
|---|
| 3M UMTS Band | - | Band 1, Band 2, Band 5, Band 10 |
|---|---|---|
| 4G LTE Band | - | Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41, Band 66 |
| Wireless Interface | Bluetooth 5.0 | IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3 |
| DISPLAY | Xiaomi Mi Watch | Apple Watch Ultra 2 |
|---|
| Type | AMOLED - colour | Retina LTPO OLED - colour |
|---|---|---|
| Resolution | 454 x 454 pixels | 410 x 502 pixels |
| Screen Size | 1.39" | - |
| Pixel Density | 326 ppi | - |
| Screen Protection | - | Flat sapphire front crystal with display edge protection |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Xiaomi Mi Watch | Apple Watch Ultra 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, customisable action button, side button, double tap gesture |
|---|
| CASE | Xiaomi Mi Watch | Apple Watch Ultra 2 |
|---|
| Case Size | - | 49 mm |
|---|---|---|
| Case Shape | Circular | Rectangular |
| Case Details | Black | Beige | Navy blue | Titanium |
| Crown Type | - | Digital with haptic feedback |
| BAND | Xiaomi Mi Watch | Apple Watch Ultra 2 |
|---|
| Band Type | Strap | Alpine Loop |
|---|---|---|
| Band Size | - | S |
| Fits Wrist with Circumference | 130-220 mm | 130-160 mm |
| Changeable | - | Yes |
| Clasp Type | Buckle | G-hook |
| Band Material | TPU | Textile |
| Band Colour | Black | Beige | Navy blue | Blue | Indigo | Olive | Orange/beige | Green/gray | Blue/black | Orange | White |
| STORAGE | Xiaomi Mi Watch | Apple Watch Ultra 2 |
|---|
| Storage Capacity | - | 64 GB |
|---|
| CPU | Xiaomi Mi Watch | Apple Watch Ultra 2 |
|---|
| Manufacturer | - | Apple |
|---|---|---|
| CPU Type | - | S9 SiP |
| Features | - | W3 Apple wireless chip, second-generation Ultra Wideband chip, 4-core Neural Engine |
| BATTERY | Xiaomi Mi Watch | Apple Watch Ultra 2 |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Capacity | 420 mAh | - |
| Battery Life | - | 36 hours |
| Battery Life Details | Typical usage - up to 16 days Long battery mode - up to 22 days Workout mode - up to 50 hour(s) |
Normal use - up to 36 hour(s) Low power mode - up to 18 hour(s) Power saving mode - up to 72 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Xiaomi Mi Watch | Apple Watch Ultra 2 |
|---|
| Included Accessories | Magnetic charging dock | Magnetic fast charger to USB-C cable (1 m) |
|---|---|---|
| Preloaded Software | - | GymKit, Oceanic+, Depth app |
| Compliant Standards | - | IP6X, BFR-free, PVC-free, Beryllium-free, Mercury-free, MIL-STD-810H, EN13319, Arsenic-free |
| Specific Absorption Rate (SAR) | - | 0.22 W/kg (head) 0.43 W/kg (limb) |
| Carbon Footprint | - | 0 kg carbon emissions |
| Max Depth of Water Resistance | 50 m | 100 m |
| Max Operating Temperature | 45 °C | 55 °C |
| Min Operating Temperature | -10 °C | -20 °C |
| Manufacturer Model Number | - | A2986 |
| Warranty | 2-year warranty | - |
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