Fitbit Alta vs. Fitbit Zip vs. Polar M430 vs. Garmin 645 Music vs. Amazfit GTR

 
Alta
Zip
M430
645 Music
GTR
 FitbitAltaRemove Buy NowFitbitZipRemove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$60$255$450$199
Release20162012201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months30 hours7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128x128240 x 240454 x 454
Sizen/an/a1.4 inch1.2 inches1.39 inches
Touchn/a
TypeOLEDn/aLCDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash ResistantWR305 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables