Compare Apple Watch Ultra 3 vs Apple Watch Series 10
| Apple Watch Ultra 3 Choose another device | Apple Watch Series 10 Choose another device | |
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Launch |
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| Version | September 2025 | September 2024 |
Network |
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| Technology | 5G | 4G |
Body |
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| Dimensions | 49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in) | 46 x 39 x 9.7 mm (1.81 x 1.54 x 0.38 in) |
| Weight | 61.6 g or 61.8 g | 34.4 g (42mm), 41.7 g (46mm) |
| SIM | eSIM | eSIM |
| Design | Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 5) | Glass front, ceramic/sapphire crystal back, titanium frame |
| Others | IP6X certified, 100m water resistant, 40m swimproof/diving | 50m water resistant, Depth gauge to 6m |
Display |
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| Type | Retina LTPO3 OLED | Retina LTPO3 OLED |
| Size | 1.98 inches | 1.96 inches |
| Resolution | 514 x 422 pixels | 496 x 416 pixels |
| Protection | Sapphire crystal glass | Sapphire crystal glass |
| Various | Wide-angle OLED | Wide-angle OLED |
Platform |
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| Operating System | watchOS 26 | watchOS 11.5 |
| Chipset | Apple S10 | Apple S10 |
| CPU | Dual-core | Dual-core |
| GPU | PowerVR | PowerVR |
Memory |
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| Card Slot | No | No |
| Internal | 64GB | 64GB |
Camera |
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| Primary | No | No |
Sound |
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| Loudspeaker | Yes, with dual speakers | Yes |
| 3.5mm Jack | No | No |
Comms |
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| Wifi | b/g/n, dual-band | b/g/n, dual-band |
| Bluetooth | 5.3 | 5.3 |
| GPS | Yes | Yes |
| NFC | Yes | Yes |
| Radio | No | No |
| USB | No | No |
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, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water) |
| Miscellaneous | Temperature sensing, Depth gauge, Ultra Wideband, Emergency SOS via satellite | Temperature sensing, Ultra Wideband (UWB) support |
Battery |
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| Battery type | 599 mAh | 327 mAh |
| Charging | Wireless | - |
Misc |
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| Colors | Natural, Black | Slate, Gold, Natural |
| Models | A3281, A3282 | A3001, A3002, A3003, A3206 |
| Price | 900 USD | 800 USD |
| Apple Watch Ultra 3: More information Choose another device | Apple Watch Series 10: More information Choose another device | |
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