Compare Apple Watch SE 3 vs Nothing CMF Watch 3 Pro
| Apple Watch SE 3 Choose another device | Nothing CMF Watch 3 Pro Choose another device | |
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Launch |
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| Version | September 2025 | July 2025 |
Network |
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| Technology | 5G | - |
Body |
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| Dimensions | 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in) | 47 x 47 x 14.4 mm (1.85 x 1.85 x 0.57 in) |
| Weight | 26.4 g or 33 g | 51 g (1.80 oz) |
| SIM | eSIM | No |
| Design | Glass front, plastic/sapphire crystal back, aluminum frame | Glass front, aluminum frame |
| Others | 50m water resistant | IP68 dust tight and water resistant |
Display |
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| Type | Retina LTPO OLED | AMOLED |
| Size | 1.78 inches | 1.43 inches |
| Resolution | 448 x 368 pixels | 466 x 466 pixels |
| Protection | Ion-X strengthened glass | - |
Platform |
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| Operating System | watchOS 26 | - |
| Chipset | Apple S10 | - |
| CPU | Dual-core | - |
| GPU | PowerVR | - |
Memory |
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| Card Slot | No | No |
| Internal | 64GB | 256 MB |
Camera |
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| Primary | No | - |
Sound |
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| Loudspeaker | Yes | Yes |
| 3.5mm Jack | No | No |
Comms |
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| Wifi | Yes | No |
| Bluetooth | 5.3 | 5.3 |
| GPS | Yes | Yes |
| NFC | Yes | No |
| Radio | No | No |
| USB | No | No |
Features |
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| Sensors | Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass, temperature | Accelerometer, gyro, heart rate, SpO2, Email, IM |
| Miscellaneous | Media playback | - |
Battery |
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| Battery type | Li-Ion | 350 mAh |
| Charging | Wireless | - |
Misc |
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| Colors | Midnight, Starlight | Dark Grey, Light Grey |
| Models | - | D399 |
| Price | 400 USD | 130 USD |
| Apple Watch SE 3: More information Choose another device | Nothing CMF Watch 3 Pro: More information Choose another device | |
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