Motorola Moto 360 (2nd Gen) vs. Polar V800 vs. Fitbit One vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Moto 360 (2nd Gen)
V800
One
Vivofit 4
T-Rex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarV800Remove Buy NowFitbitOneRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$470$100$79.95$140
Release20152014201220182019

Activity & Fitness

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

Battery

Duration1.5 days13 hours to 30 days10-14 days1 year20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/an/a88 x 88360 x 360
Size1.37 inches or 1.56 inchesn/an/aNA1.3 inches
Touch
TypeLCDn/aOLEDNAAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMSplast Resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aBuild-in
Apps
Musicn/a

All Wearables