In depth comparison and review of Xiaomi Redmi Watch 3 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 Redmi Watch 3 | Apple Watch Ultra 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | WatchOS 10 |
| Supported Host Device OS | Android 6.0 (Marshmallow) or later, iOS 12 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 |
| Width | 36.56 mm | - |
| Height | 42.58 mm | - |
| Depth | 9.99 mm | - |
| Weight | 37 g | - |
| Body Details | - | Case only: 61.4 g |
| Body Material | - | Aerospace-grade titanium |
| Protection | Water-resistant | Water-resistant, splash-resistant, corrosion resistant, dust-resistant |
| Colours | Elegant black | - |
| Clock Display | Yes | Yes |
| FEATURES | Xiaomi Redmi Watch 3 | Apple Watch Ultra 2 |
|---|
| Sensors | Accelerometer, geomagnetic sensor, optical heart sensor, blood oxygen 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, steps taken, blood oxygen saturation, stress level, breath, blood pressure, menstrual cycle | 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 | 100+ Workout modes, do-not-disturb mode | Night mode |
| Goal Setting | Yes | Yes |
| Features | Find phone function, answering a call, phone unlocking, automatic exercise recognition, SOS call, auto pause, music playback control, weather information, personalised Watch Faces, stopwatch timer, 10 preloaded running courses, brightness: 600 nits | 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, calls, sedentary | 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/QZSS receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | Alipay | Apple Pay |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Xiao Ai | Siri |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Xiaomi Redmi Watch 3 | Apple Watch Ultra 2 |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| Messaging Services | - |
| CONNECTIVITY | Xiaomi Redmi Watch 3 | 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 | NFC, Bluetooth 5.2 | IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3 |
| DISPLAY | Xiaomi Redmi Watch 3 | Apple Watch Ultra 2 |
|---|
| Type | AMOLED - colour | Retina LTPO OLED - colour |
|---|---|---|
| Resolution | 390 x 450 pixels | 410 x 502 pixels |
| Screen Size | 1.75" | - |
| Pixel Density | 341 ppi | - |
| Screen Protection | - | Flat sapphire front crystal with display edge protection |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Xiaomi Redmi Watch 3 | Apple Watch Ultra 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, customisable action button, side button, double tap gesture |
|---|
| CASE | Xiaomi Redmi Watch 3 | Apple Watch Ultra 2 |
|---|
| Case Size | 42 mm | 49 mm |
|---|---|---|
| Case Shape | - | Rectangular |
| Case Details | - | Titanium |
| Crown Type | - | Digital with haptic feedback |
| BAND | Xiaomi Redmi Watch 3 | Apple Watch Ultra 2 |
|---|
| Band Type | Strap | Alpine Loop |
|---|---|---|
| Band Size | - | S |
| Fits Wrist with Circumference | 135-200 mm | 130-160 mm |
| Changeable | - | Yes |
| Clasp Type | Pin buckle | G-hook |
| Band Material | - | Textile |
| Band Colour | - | Blue | Indigo | Olive | Orange/beige | Green/gray | Blue/black | Orange | White |
| STORAGE | Xiaomi Redmi Watch 3 | Apple Watch Ultra 2 |
|---|
| Storage Capacity | - | 64 GB |
|---|
| CPU | Xiaomi Redmi Watch 3 | 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 Redmi Watch 3 | Apple Watch Ultra 2 |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Life | 12 day(s) | 36 hours |
| Battery Life Details | Typical usage - up to 12 days Heavy usage - up to 7 days GPS + HR mode (Continuous reception) - up to 18 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 Redmi Watch 3 | Apple Watch Ultra 2 |
|---|
| Included Accessories | Magnetic charging cable | 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 | - | 55 °C |
| Min Operating Temperature | - | -20 °C |
| Manufacturer Model Number | M2215W1 | A2986 |
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