Fitbit Charge 2 vs. Mobvoi TicWatch 2 vs. Garmin 645 Music vs. Polar A370 vs. Amazfit GTR

 
Charge 2
TicWatch 2
645 Music
A370
GTR
 FitbitCharge 2Remove Buy NowMobvoiTicWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowPolarA370Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$199$450$179.95$199
Release20162017201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1.5-2 Days7 daysUp to 3 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400240 x 240160 x 80454 x 454
Sizen/a1.4 inches1.2 inches1.18 inches1.39 inches
Touchn/a
TypeOLEDOLEDMIPTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP655 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTicwear OSBuild-in
Apps
Music

All Wearables