Polar M400 vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Garmin Vivosmart 3 vs. Apple Watch Ultra
PolarM400Remove Buy Now | CasioWSD-F20ARemove Buy Now | GarminForerunner 235Remove Buy Now | GarminVivosmart 3Remove Buy Now | AppleWatch UltraRemove Buy Now |
Basic Info | |||||
Suggested Price | $200 | $399 | $299.99 | $139.99 | $799 |
Release | 2014 | 2018 | 2017 | 2017 | 2022 |
Activity & Fitness | |||||
Calories | |||||
Cycling (Bicycling) | |||||
Distance | |||||
Heart | n/a | ||||
Oxygen | |||||
Sleep | |||||
Steps | |||||
Swim | |||||
Battery | |||||
Duration | 8 hours to 30 days | 1 day | 9 days | 5 days | 36 hrs |
Rechargeable | |||||
Compatibility | |||||
Android | |||||
iOS | |||||
Windows Phone | n/a | ||||
Mac | |||||
Windows | |||||
Connectivity | |||||
Bluetooth | |||||
Cellular | |||||
GPS | |||||
NFC | |||||
Wi-Fi | |||||
Display | |||||
Color | |||||
Resolution | n/a | 320 x 320 | 215 x 180 | 64 x 128 | 502x410 pixels |
Size | n/a | 1.32 inches | 1.23 inches | NA | 1.92 inches |
Touch | |||||
Type | n/a | LCD | MIP | OLED | |
Functions | |||||
Audio Speaker | Alerts only | ||||
Clock | LTPO OLED Retina | ||||
Phone | |||||
Vibration | |||||
Voice | |||||
Hardware | |||||
Accelerometer | |||||
Barometer or Altimeter | |||||
Ultraviolet Sensor | |||||
Water Resistance | 3 ATM | 5 ATM | 5 ATM | 5 ATM | 10 ATM (100 Meters) |
Notifications | |||||
Phone | |||||
Emails | |||||
Texts | |||||
Software | |||||
Operating System | n/a | Wear OS | WatchOS 9 | ||
Apps | |||||
Music |