Pebble Classic vs. Polar A360 vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Xiaomi Mi Band 4

 
Classic
A360
645 Music
Vivofit 4
Mi Band 4
 PebbleClassicRemove Buy NowPolarA360Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$99$200$450$79.95$25
Release20132015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days12 days7 days1 year20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144160 x 80240 x 24088 x 88120x240
Size1.26 inches1.18 inches1.2 inchesNA0.95 inches
Touch
Typee-papern/aMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAMAZFIT OS
Apps
Music

All Wearables