Fitbit Charge 2 vs. Garmin 645 Music vs. Mobvoi TicWatch S vs. Amazfit GTR vs. HTC re Grip

 
Charge 2
645 Music
TicWatch S
GTR
re Grip
 FitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch SRemove Buy NowAmazfitGTRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$450$199$199$199
Release20162018201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days1.5-2 days24 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240400 x 400454 x 454160 x 32
Sizen/a1.2 inches1.4 inches1.39 inches1.8 inches
Touchn/a
TypeOLEDMIPOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP675 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Build-inNA
Apps
Music

All Wearables