Amazfit Bip vs. Garmin 645 Music vs. Fitbit Alta HR vs. Fitbit Charge vs. Polar A370

 
Bip
645 Music
Alta HR
Charge
A370
 AmazfitBipRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$99.99$450$150$130$179.95
Release20182018201720142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 days7 days7 days7-10 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution176 x 176240 x 240128 x 36NA160 x 80
Size1.28 inches1.2 inches1.4 inchesNA1.18 inches
TouchNA
TypeNAMIPOLEDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemNA
Apps
Music

All Wearables