Apple Watch Series 3 vs. Garmin Vivoactive HR vs. Polar M400 vs. Samsung Gear S2 vs. Fitbit Ionic

 
Watch Series 3
Vivoactive HR
M400
Gear S2
Ionic
 AppleWatch Series 3Remove Buy NowGarminVivoactive HRRemove Buy NowPolarM400Remove Buy NowSamsungGear S2Remove Buy NowFitbitIonicRemove Buy Now

Basic Info

Suggested Price$329$250$200$300$299
Release20172016201420152017

Activity & Fitness

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

Battery

Duration18 hours13 hours to 8 days8 hours to 30 days2-3 days4+ days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312148 x 205n/a360 x 360348x250
Size1.5 inches or 1.65 inches1.38 inchesn/a1.2 inches1.42
Touch
TypeAMOLEDn/an/aSuper AMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATMIP6850m

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aTizenFitbit OS
Apps
Music

All Wearables