Polar V800 vs. Fitbit Charge 2 vs. Garmin 645 Music vs. Mobvoi TicWatch E vs. Amazfit GTR

 
V800
Charge 2
645 Music
TicWatch E
GTR
 PolarV800Remove Buy NowFitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch ERemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$470$150$450$159$199
Release20142016201820172019

Activity & Fitness

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

Battery

Duration13 hours to 30 days5 days7 days1.5-2 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240400 x 400454 x 454
Sizen/an/a1.2 inches1.4 inches1.39 inches
Touchn/a
Typen/aOLEDMIPOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables