Polar M400 vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. MobVoi TicWatch Pro vs. Fitbit Sense 2

 
M400
645 Music
Forerunner 235
TicWatch Pro
Sense 2
 PolarM400Remove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowMobVoiTicWatch ProRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$450$299.99$300$300
Release20142018201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days7 days9 days30 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240215 x 180400 x 400336x336
Sizen/a1.2 inches1.23 inches1.4 inches1.59 inches
Touch
Typen/aMIPMIPOLED/FSTNAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OS
Apps
Music

All Wearables