Polar M400 vs. Samsung Gear S2 vs. Moov Now vs. Fitbit Versa 2 vs. Garmin VivoActive 4

 
M400
Gear S2
Now
Versa 2
VivoActive 4
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowMoovNowRemove Buy NowFitbitVersa 2Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$300$79$199$349
Release20142015201520192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days6 months5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360n/a300 x 300260 x 260
Sizen/a1.2 inchesn/a1.34 inches1.3ionches
Touchn/a
Typen/aSuper AMOLEDn/aAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMIP68n/a5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aBuild-inWear OS
Apps
Music

All Wearables