Side by side comparison and review of Apple Watch Ultra and Xiaomi Redmi Watch 3. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Apple Watch Ultra | Xiaomi Redmi Watch 3 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS | - |
| Supported Host Device OS | iOS 16 or later | Android 6.0 (Marshmallow) or later, iOS 12 or later |
| Activity/Sport | Multisport | - |
| 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: 61.3 g | - |
| Body Material | Aerospace-grade titanium | - |
| Protection | Water-resistant, splash-resistant, corrosion resistant, dust-resistant | Water-resistant |
| Colours | - | Elegant black |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Ultra | Xiaomi Redmi Watch 3 |
|---|
| Sensors | 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 | Accelerometer, geomagnetic sensor, optical heart sensor, blood oxygen sensor, gyroscope |
|---|---|---|
| Tracking Data | Distance, time, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, rapid eye movement (REM), depth | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, stress level, breath, blood pressure, menstrual cycle |
| Modes | Night mode | 100+ Workout modes, do-not-disturb mode |
| Goal Setting | Yes | Yes |
| Features | Call handling, store & play music, Fall detection, Emergency SOS, heart rate zones, brightness: 2000 nits, Family Setup support, International Emergency Calling, Siren (86-decibel), Crash Detection, noise monitoring, Compass Waypoint | 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 |
| Notifications | Calendar, SMS, Email, high and low heart rate, irregular rhythm, cardio fitness | SMS, Email, social apps, calls, sedentary |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Audio alert, vibration alert, visual interface | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS/Galileo/BeiDou/QZSS receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | Apple Pay | Alipay |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Siri | Xiao Ai |
| IoT Voice Controlled | Direct | - |
| CELLULAR | Apple Watch Ultra | Xiaomi Redmi Watch 3 |
|---|
| Technology | WCDMA (UMTS) | - |
|---|---|---|
| Mobile Broadband Generation | 4G | - |
| SIM Card Type | Electronic SIM card (e-SIM) | - |
| Messaging Services | - |
| CONNECTIVITY | Apple Watch Ultra | Xiaomi Redmi Watch 3 |
|---|
| 3M UMTS Band | Band 1, Band 2, Band 5, Band 8, 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 | IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3 | NFC, Bluetooth 5.2 |
| DISPLAY | Apple Watch Ultra | Xiaomi Redmi Watch 3 |
|---|
| Type | Retina LTPO OLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 410 x 502 pixels | 390 x 450 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 | Apple Watch Ultra | Xiaomi Redmi Watch 3 |
|---|
| Type | Touch sensitive screen, customisable action button, side button | Touch sensitive screen |
|---|
| CASE | Apple Watch Ultra | Xiaomi Redmi Watch 3 |
|---|
| Case Size | 49 mm | 42 mm |
|---|---|---|
| Case Shape | Rectangular | - |
| Case Details | Titanium | - |
| Crown Type | Digital with haptic feedback | - |
| BAND | Apple Watch Ultra | Xiaomi Redmi Watch 3 |
|---|
| Band Type | Alpine Loop | Strap |
|---|---|---|
| Band Size | S | - |
| Fits Wrist with Circumference | 130-160 mm | 135-200 mm |
| Changeable | Yes | - |
| Clasp Type | G-hook | Pin buckle |
| Band Material | Textile | - |
| Band Colour | Orange | Green | Yellow/beige | Blue/gray | Starlight | Black/gray | White | Yellow | Midnight | - |
| STORAGE | Apple Watch Ultra | Xiaomi Redmi Watch 3 |
|---|
| Storage Capacity | 32 GB | - |
|---|
| CPU | Apple Watch Ultra | Xiaomi Redmi Watch 3 |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S8 SiP | - |
| Features | W3 Apple wireless chip, U1 chip | - |
| BATTERY | Apple Watch Ultra | Xiaomi Redmi Watch 3 |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Life | 36 hours | 12 day(s) |
| Battery Life Details | Normal use - up to 36 hour(s) With LTE - up to 18 hour(s) Power saving mode - up to 60 hour(s) |
Typical usage - up to 12 days Heavy usage - up to 7 days GPS + HR mode (Continuous reception) - up to 18 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | Yes | - |
| MISCELLANEOUS | Apple Watch Ultra | Xiaomi Redmi Watch 3 |
|---|
| Included Accessories | Magnetic fast charger to USB-C cable (1 m) | Magnetic charging cable |
|---|---|---|
| Preloaded Software | GymKit, Oceanic+ | - |
| Compliant Standards | IP6X, MIL-STD-810H, EN13319 | - |
| SAR Value | 0.35 W/kg (head), 0.6 W/kg (limb) | - |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | 55 °C | - |
| Min Operating Temperature | -20 °C | - |
| Manufacturer Model Number | A2684 | M2215W1 |
| Warranty | 1-year warranty | - |
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