Polar M400 vs. Motorola Moto 360 (1st Gen) vs. Pebble Time 2 vs. Samsung Galaxy Watch vs. HTC re Grip

 
M400
Moto 360 (1st Gen)
Time 2
Galaxy Watch
re Grip
 PolarM400Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowPebbleTime 2Remove Buy NowSamsungGalaxy WatchRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$150$199$330$199
Release20142014201620182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day10 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 260NA360 x 360160 x 32
Sizen/a1.56 inchesNA1.2 inches or 1.3 inches1.8 inches
Touch
Typen/aLCDe-paperAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP673 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearPebble OSTizen OSNA
Apps
MusicNASpotify

All Wearables