Pebble Classic vs. Fitbit Alta vs. Garmin 645 Music vs. Garmin Chronos vs. Xiaomi Mi Band 4

 
Classic
Alta
645 Music
Chronos
Mi Band 4
 PebbleClassicRemove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$99$130$450$1500$25
Release20132016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days7 days8 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a240 x 240218 x 218120x240
Size1.26 inchesn/a1.2 inches1.2 inches0.95 inches
Touchn/a
Typee-paperOLEDMIPMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM10 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aWear OSAMAZFIT OS
Apps
Music

All Wearables