| Apple Watch Ultra 3 Choose another device | Xiaomi Redmi Watch 6 Choose another device | |
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Launch
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| Version | September 2025 | October 2025 |
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Network
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| Technology | 5G | |
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Body
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| Dimensions | 49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in) | 46.5 x 40 x 9.9 mm (1.83 x 1.57 x 0.39 in) |
| Weight | 61.6 g or 61.8 g | 31 g (1.09 oz) |
| SIM | eSIM | eSIM (China only) |
| Design | Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 5) | Plastic back, aluminum frame |
| Others | IP6X certified, 100m water resistant, 40m swimproof/diving | Waterproof (5ATM), 50m water resistant |
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Display
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| Type | Retina LTPO3 OLED | AMOLED |
| Size | 1.98 inches | 2.1 inches |
| Resolution | 514 x 422 pixels | 432 x 514 pixels |
| Protection | Sapphire crystal glass | |
| Various | Wide-angle OLED | |
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Platform
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| Operating System | watchOS 26 | HyperOS 3 |
| Chipset | Apple S10 | |
| CPU | Dual-core | |
| GPU | PowerVR | |
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Memory
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| Card Slot | No | No |
| Internal | 64GB | |
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Camera
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| Primary | No | No |
| Features | ||
| Video | ||
| Selfie | ||
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Sound
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| Loudspeaker | Yes, with dual speakers | Yes |
| 3.5mm Jack | No | No |
| Extra | ||
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Comms
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| Wifi | b/g/n, dual-band | No |
| Bluetooth | 5.3 | 5.4 |
| GPS | Yes | Yes |
| NFC | Yes | NFC (China only) |
| Infrared | ||
| Radio | No | No |
| USB | No | No |
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Features
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| Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water) | Accelerometer, heart rate, compass, gyro, SpO2 |
| Miscellaneous | Temperature sensing, Depth gauge, Ultra Wideband, Emergency SOS via satellite | |
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Battery
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| Battery type | 599 mAh | 550 mAh |
| Charging | Wireless | |
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Misc
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| Colors | Natural, Black | Black, Silver |
| Models | A3281, A3282 | M2523W1 |
| Inside the box | ||
| Price | 900 USD | 80 USD |
| Apple Watch Ultra 3: More information Choose another device | Xiaomi Redmi Watch 6: More information Choose another device | |
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