Compare Apple Watch Ultra 3 vs Samsung Galaxy Watch 8
| Apple Watch Ultra 3 Choose another device | Samsung Galaxy Watch 8 Choose another device | |
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Launch
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| Version | September 2025 | July 2025 |
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Network
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| Technology | 5G | 4G |
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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 x 43.7 x 8.6 mm (1.81 x 1.72 x 0.34 in) |
| Weight | 61.6 g or 61.8 g | 34 g (44mm), 30 g (40mm) |
| SIM | eSIM | eSIM |
| Design | Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 5) | Glass front (Sapphire crystal), aluminum frame |
| Others | IP6X certified, 100m water resistant, 40m swimproof/diving | IP68 dust tight and water resistant, Blood pressure monitor, Armor aluminum 2 frame |
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Display
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| Type | Retina LTPO3 OLED | Super AMOLED |
| Size | 1.98 inches | 1.47 inches |
| Resolution | 514 x 422 pixels | 480 x 480 pixels |
| Protection | Sapphire crystal glass | Sapphire crystal |
| Various | Wide-angle OLED | |
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Platform
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| Operating System | watchOS 26 | Android Wear OS 6, One UI 8 Watch |
| Chipset | Apple S10 | Exynos W1000 (3 nm) |
| CPU | Dual-core | Penta-core |
| GPU | PowerVR | Mali-G68 |
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Memory
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| Card Slot | No | No |
| Internal | 64GB | 32GB 2GB RAM |
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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 | a/b/g/n, dual-band |
| Bluetooth | 5.3 | 5.3 |
| GPS | Yes | Yes |
| NFC | Yes | Yes |
| 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, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive, antioxidant index |
| Miscellaneous | Temperature sensing, Depth gauge, Ultra Wideband, Emergency SOS via satellite | |
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Battery
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| Battery type | 599 mAh | 435 mAh |
| Charging | Wireless | 10W wireless |
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Misc
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| Colors | Natural, Black | Graphite, Silver |
| Models | A3281, A3282 | SM-L320, SM-L325, SM-L330, SM-L335, SM-L325U, SM-L335U |
| Inside the box | ||
| Price | 900 USD | 400 USD |
| Apple Watch Ultra 3: More information Choose another device | Samsung Galaxy Watch 8: More information Choose another device | |
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