Fitbit Charge 2 vs. Fitbit Zip vs. Garmin 645 Music vs. Mobvoi TicWatch S2 vs. Amazfit GTR

 
Charge 2
Zip
645 Music
TicWatch S2
GTR
 FitbitCharge 2Remove Buy NowFitbitZipRemove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$60$450$180$199
Release20162012201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months7 days2 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 inches1.39 inches1.39 inches
Touchn/a
TypeOLEDn/aMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash Resistant5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSBuild-in
Apps
Music

All Wearables