Polar M400 vs. Polar M430 vs. Diesel On Full Guard vs. Garmin 645 Music vs. Fitbit Alta HR
![]() | ![]() | ![]() | ![]() | ![]() | |
PolarM400Remove Buy Now | PolarM430Remove Buy Now | DieselOn Full GuardRemove Buy Now | Garmin645 MusicRemove Buy Now | FitbitAlta HRRemove Buy Now |
Basic Info | |||||
Suggested Price | $200 | $255 | $325 | $450 | $150 |
Release | 2014 | 2017 | 2017 | 2018 | 2017 |
Activity & Fitness | |||||
Calories | |||||
Cycling (Bicycling) | |||||
Distance | |||||
Heart | n/a | ||||
Oxygen | |||||
Sleep | |||||
Steps | |||||
Swim | |||||
Battery | |||||
Duration | 8 hours to 30 days | 30 hours | 1 day | 7 days | 7 days |
Rechargeable | |||||
Compatibility | |||||
Android | |||||
iOS | |||||
Windows Phone | n/a | ||||
Mac | |||||
Windows | |||||
Connectivity | |||||
Bluetooth | |||||
Cellular | |||||
GPS | |||||
NFC | |||||
Wi-Fi | |||||
Display | |||||
Color | |||||
Resolution | n/a | 128x128 | 454 x 454 | 240 x 240 | 128 x 36 |
Size | n/a | 1.4 inch | 1.4 inches | 1.2 inches | 1.4 inches |
Touch | |||||
Type | n/a | LCD | OMOLED | MIP | OLED |
Functions | |||||
Audio Speaker | Alerts only | ||||
Clock | |||||
Phone | |||||
Vibration | |||||
Voice | |||||
Hardware | |||||
Accelerometer | |||||
Barometer or Altimeter | |||||
Ultraviolet Sensor | |||||
Water Resistance | 3 ATM | WR30 | IP67 | 5 ATM | |
Notifications | |||||
Phone | |||||
Emails | |||||
Texts | |||||
Software | |||||
Operating System | n/a | Android Wear 2.0 | |||
Apps | |||||
Music |