Amazfit Bip vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Amazfit GTS vs. Garmin VivoActive 4

 
Bip
645 Music
Forerunner 235
GTS
VivoActive 4
 AmazfitBipRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitGTSRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$99.99$450$299.99$150$349
Release20182018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 days7 days9 days14 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution176 x 176240 x 240215 x 180348 x 442260 x 260
Size1.28 inches1.2 inches1.23 inches1.65 inches1.3ionches
Touch
TypeNAMIPMIPAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWear OS
Apps
Music

All Wearables