Motorola Moto 360 (2nd Gen) vs. Pebble Time vs. Polar M400 vs. Mobvoi TicWatch S vs. Amazfit T-Rex

 
Moto 360 (2nd Gen)
Time
M400
TicWatch S
T-Rex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPebbleTimeRemove Buy NowPolarM400Remove Buy NowMobvoiTicWatch SRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$150$200$199$140
Release20152015201420172019

Activity & Fitness

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

Battery

Duration1.5 days7 days8 hours to 30 days1.5-2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330168 x 144n/a400 x 400360 x 360
Size1.37 inches or 1.56 inches1.26 inchesn/a1.4 inches1.3 inches
Touch
TypeLCDe-papern/aOLEDAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM3 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearPebble OSn/aAndroid Wear 2.0Build-in
Apps
Musicn/a

All Wearables