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- Samsung Galaxy Watch Ultra 2 vs Xiaomi Watch S4 15th Anniversary Edition
Samsung Galaxy Watch Ultra 2 vs Xiaomi Watch S4 15th Anniversary Edition comparison
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| ratings | ||||
| Overall NDTV Rating | Read Review | - | ||
| Design and comfort Rating | - | |||
| Tracking accuracy Rating | - | |||
| Companion app Rating | - | |||
| Software and ecosystem Rating | - | |||
| Battery life Rating | - | |||
| key specs | ||||
| Strap Colour | Marine, PeakForm, Trail, Sports, Misty, and Fabric | - | ||
| Display Size | 48mm | 36mm | ||
| Compatible OS | Android | Android 8.0 or above, iOS 12.0 or above | ||
| Dial Shape | Square | Round | ||
| Display Type | Super AMOLED | AMOLED | ||
| Ideal For | Unisex | Unisex | ||
| general | ||||
| Brand | Samsung | Xiaomi | ||
| Model | Galaxy Watch Ultra 2 | Watch S4 15th Anniversary Edition | ||
| Release date | July 22, 2026 | May 23, 2025 | ||
| Model Name | Galaxy Watch Ultra 2 | Xiaomi Watch S4 15th Anniversary Edition | ||
| Dial Colour | Titanium | Black | ||
| Dial Shape | Square | Round | ||
| Strap Colour | Marine, PeakForm, Trail, Sports, Misty, and Fabric | - | ||
| Size | Regular | Regular | ||
| Touchscreen | 1.52-inch AMOLED | 1.43 | ||
| Water Resistant | IP69K + 10ATM + EN13319 | 5 ATM | ||
| Usage | Regular | Regular | ||
| Dial Material | Titanium | - | ||
| Ideal For | Unisex | Unisex | ||
| Interchangeable Strap | - | Yes | ||
| dimensions | ||||
| Width | 47.4 | 47.3 | ||
| Height | 47.1 | 47.3 | ||
| Thickness | 10.7 | 12 | ||
| Diameter | 47mm | - | ||
| Weight (g) | 61.50 | 44.50 | ||
| product details | ||||
| Sensor | Bio-signal sensor, an Electrical Heart sensor, a temperature sensor, an accelerometer, a barometer, a gyroscope, a geomagnetic sensor, and a light sensor | Heart Rate Monitor, Stress, Sleep | ||
| Compatible Device | Android 13 or newer versions | Android and iOS | ||
| Battery Type | 800mAh | 486mAh | ||
| Rechargeable Battery | Yes | - | ||
| connectivity features | ||||
| Call Function | Yes | - | ||
| Bluetooth | Yes | Yes | ||
| Bluetooth Version | 6.0 | 5.3 | ||
| Wi-Fi | Yes | Yes | ||
| GPS | Yes | Yes | ||
| Messaging Support | Yes | - | ||
| Call Features | Yes | - | ||
| Other Connectivity Features | - | NFC, Galileo, Glonass, Beidou, QZSS | ||
| platform and storage features | ||||
| Operating System | OneUI 9 Watch | HyperOS 2 | ||
| Compatible Operating System | Android | Android 8.0 or above, iOS 12.0 or above | ||
| RAM | 2GB | - | ||
| Processor Name | Snapdragon Wear Elite | - | ||
| Internal Memory | 64GB | - | ||
| camera and display features | ||||
| Display Resolution | 498x498 | 466 x 466 | ||
| Display Size | 48mm | 36mm | ||
| Display Type | Super AMOLED | AMOLED | ||
| Other Display Features | 5,000 nits peak brightness level | - | ||
| fitness and watch functions | ||||
| Step Count | Yes | Yes | ||
| Calorie Count | Yes | Yes | ||
| Heart Rate Monitor | Yes | Yes | ||
| Altimeter | Yes | - | ||
| Compass | Yes | - | ||
| Calendar | Yes | - | ||
| Alarm Clock | Yes | Yes | ||
| Chronograph | Yes | - | ||
| Date & Time Display | Yes | Yes | ||
| Language | English | English | ||
| Number of Buttons | 3 | - | ||
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