Polar M400 vs. Samsung Gear S3 vs. Fitbit Alta vs. ASUS ZenWatch 3 vs. Fitbit Ionic

 
M400
Gear S3
Alta
ZenWatch 3
Ionic
 PolarM400Remove Buy NowSamsungGear S3Remove Buy NowFitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy Now

Basic Info

Suggested Price$200$350$130$229$299
Release20142016201620172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleepn/a
Steps
Swim

Battery

Duration8 hours to 30 days4 days5 days48 hours4+ days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a360 x 360n/a400 x 400348x250
Sizen/a1.3 inchesn/a1.39 inches1.42
Touchn/a
Typen/aFullcolor AODOLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68n/a50m

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aTizenn/aAndroid Wear 2Fitbit OS
Apps
Music

All Wearables