Garmin Forerunner 735XT vs. Polar M400 vs. Samsung Gear S2 vs. Polar Loop 2 vs. Garmin Vivosmart 4

 
Forerunner 735XT
M400
Gear S2
Loop 2
Vivosmart 4
 GarminForerunner 735XTRemove Buy NowPolarM400Remove Buy NowSamsungGear S2Remove Buy NowPolarLoop 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$200$300$120$130
Release20162014201520152018

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 days2-3 days8 days (without notifications)7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a360 x 360n/a48 x 128
Size1.23 inchesn/a1.2 inchesn/a0.74 inches
Touchn/a
Typen/an/aSuper AMOLEDLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP682 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizenn/a
Apps
Music

All Wearables