Fitbit Zip vs. Garmin Vivofit 3 vs. Garmin 645 Music vs. Amazfit GTR vs. HTC re Grip

 
Zip
Vivofit 3
645 Music
GTR
re Grip
 FitbitZipRemove Buy NowGarminVivofit 3Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$60$100$450$199$199
Release20122016201820192020

Activity & Fitness

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

Battery

Duration6 months1 year7 days24 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a64 x 64240 x 240454 x 454160 x 32
Sizen/a0.55 inches1.2 inches1.39 inches1.8 inches
Touch
Typen/an/aMIPAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant5 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-inNA
Apps
Music

All Wearables