| Display | Analog hybrid dial with 0.63" grayscale OLED sub-display (14504 px, 282 PPI) | AMOLED 450x450, 320ppi |
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| Case | 38.4 mm (34.6 g) or 42 mm (52.6 g) stainless steel, sapphire glass, 18/20 mm FKM wristband | — |
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| Battery | Up to 30 days (launch claim; Withings now states up to 35 days), about 2 hours to charge | 306 mAh |
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| Water Resistance | 5 ATM (50 m) | — |
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| Health Sensors | ECG, SpO2, TempTech 24/7 skin temperature, multi-wavelength PPG (4 wavelengths, 16 channels), HDR accelerometer | Multipath HR, skin temperature, EDA, accelerometer, gyroscope |
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| Features | AFib detection, heart rate variability, respiratory rate, menstrual cycle logging, 40+ automatic activities, VO2 max | — |
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| OS | HealthSense, iOS 15+ / Android 9+ compatible | Wear OS 4 |
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| Colours | Black, white (38 mm); black (42 mm) | — |
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| Case Size | — | 41mm |
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| Chipset | — | Snapdragon SW5100 |
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| RAM | — | 2GB |
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| Storage | — | 32GB |
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