Fitbit Alta vs. Asus ZenWatch vs. Garmin 645 Music vs. Polar A370 vs. Amazfit GTS

 
Alta
ZenWatch
645 Music
A370
GTS
 FitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowGarmin645 MusicRemove Buy NowPolarA370Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$150$450$179.95$150
Release20162014201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 daysUp to 3 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x 240160 x 80348 x 442
Sizen/a1.63 inches1.2 inches1.18 inches1.65 inches
Touchn/a
TypeOLEDAMOLEDMIPTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP555 ATMWR305 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OS
Apps
Music

All Wearables