Fitbit Blaze vs. Polar M400 vs. Withings Activite Sapphire vs. Asus ZenWatch vs. Apple Watch 7
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| FitbitBlazeRemove Buy Now | PolarM400Remove Buy Now | WithingsActivite SapphireRemove Buy Now | AsusZenWatchRemove Buy Now | AppleWatch 7Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $200 | $450 | $150 | $429 |
| Release | 2016 | 2014 | 2014 | 2014 | 2021 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 Days | 8 hours to 30 days | 8 months | NA | 18 Hours |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | Partial | n/a | n/a | NA | |
| Mac | n/a | NA | |||
| Windows | n/a | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | n/a | n/a | 320 x 320 | 396 x 484 |
| Size | n/a | n/a | 1.3 inches | 1.63 inches | 1.9 inches |
| Touch | |||||
| Type | LCD | n/a | Analog | AMOLED | MicroLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | n/a | 3 ATM | 5 ATM | IP55 | water resistant but not waterproof |
Notifications | |||||
| Phone | |||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | n/a | n/a | n/a | Android Wear | WatchOS 8 |
| Apps | |||||
| Music | |||||