ASUS ZenWatch 2 vs. Samsung Gear S2 vs. TomTom Adventurer vs. Fitbit Ionic vs. Garmin Vivofit 4

 
ZenWatch 2
Gear S2
Adventurer
Ionic
Vivofit 4
 ASUSZenWatch 2Remove Buy NowSamsungGear S2Remove Buy NowTomTomAdventurerRemove Buy NowFitbitIonicRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$150$300$350$299$79.95
Release20162015201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 daysn/a4+ days1 year
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
Resolution320 x 320360 x 360n/a348x25088 x 88
Size1.63 inches or 1.45 inch1.2 inchesn/a1.42NA
Touch
TypeAMOLEDSuper AMOLEDn/aOLEDNA

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP685 ATM50m5 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/an/a

Software

Operating SystemAndroid WearTizenn/aFitbit OS
Apps
Music

All Wearables