Polar M400 vs. Garmin Forerunner 235 vs. Mobvoi TicWatch S vs. Mobvoi TicWatch E vs. Amazfit T-Rex

 
M400
Forerunner 235
TicWatch S
TicWatch E
T-Rex
 PolarM400Remove Buy NowGarminForerunner 235Remove Buy NowMobvoiTicWatch SRemove Buy NowMobvoiTicWatch ERemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$299.99$199$159$140
Release20142017201720172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days9 days1.5-2 days1.5-2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180400 x 400400 x 400360 x 360
Sizen/a1.23 inches1.4 inches1.4 inches1.3 inches
Touch
Typen/aMIPOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP67IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Android Wear 2.0Build-in
Apps
Music

All Wearables