Verdict: Withings Body Comp wins for users wanting vascular age and nerve health data backed by RTINGS and MKBHD comparisons showing superior metric depth. Garmin Index S2 excels in seamless integration with existing Garmin devices per Consumer Reports ecosystem tests but trails by two key metrics. The 1-point verdict gap reflects Withings' broader feature set at similar pricing tiers.
Winner: Withings Body Comp
Withings Body Comp: 8/10
Garmin Index S2: 7/10
| Withings Body Comp | Garmin Index S2 | |
|---|---|---|
| Body Metrics | Weight, BMI, body fat, muscle mass, water, bone mass, visceral fat, vascular age | Weight, BMI, body fat, muscle mass, water, bone mass |
| Connectivity | Wi-Fi, Bluetooth | Wi-Fi, Bluetooth |
| Battery Life | Up to 1 year | Up to 9 months |
| Display | Color LCD | Backlit LCD |
Our pick: Withings Body Comp. It edges out the alternative on includes vascular age and nerve health metrics. That said, Garmin Index S2 still wins on integrates directly with garmin connect ecosystem — consider it if that single trade matters most for your use.
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