Polar M400 vs. Samsung Gear S2 vs. Fitbit Alta vs. Apple Watch Series 2 vs. Motorola Moto 360 (1st Gen)

 
M400
Gear S2
Alta
Watch Series 2
Moto 360 (1st Gen)
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy Now

Basic Info

Suggested Price$200$300$130$269$150
Release20142015201620162014

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days5 days18 hours1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360n/a340 x 272 or 390 x 312320 x 260
Sizen/a1.2 inchesn/a1.5 inches or 1.65 inches1.56 inches
Touchn/a
Typen/aSuper AMOLEDOLEDAMOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68n/a5ATMIP67

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aTizenn/aWatch OSAndroid Wear
Apps
MusicNA

All Wearables