Polar M400 vs. Garmin Vivoactive 3 vs. Mobvoi TicWatch S2 vs. HTC re Grip vs. Apple SE

 
M400
Vivoactive 3
TicWatch S2
re Grip
SE
 PolarM400Remove Buy NowGarminVivoactive 3Remove Buy NowMobvoiTicWatch S2Remove Buy NowHTCre GripRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$200$299$180$199$279
Release20142017201920202020

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days2 DAYS5 hours to 2.5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240400 x 400160 x 32384 x 480
Sizen/a1.2 inches1.39 inches1.8 inches40mm
Touch
Typen/aMIPOLEDPMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance3 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatchOS 5
Apps
Music

All Wearables