Amazfit Bip vs. Garmin 645 Music vs. Fitbit Alta HR vs. Garmin Vivosmart 4 vs. HTC re Grip

 
Bip
645 Music
Alta HR
Vivosmart 4
re Grip
 AmazfitBipRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$99.99$450$150$130$199
Release20182018201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 days7 days7 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution176 x 176240 x 240128 x 3648 x 128160 x 32
Size1.28 inches1.2 inches1.4 inches0.74 inches1.8 inches
Touch
TypeNAMIPOLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemNA
Apps
Music

All Wearables