ASUS ZenWatch 2 vs. Samsung Gear S2 vs. Fitbit Ionic vs. Amazfit GTR vs. Apple Watch Ultra

 
ZenWatch 2
Gear S2
Ionic
GTR
Watch Ultra
 ASUSZenWatch 2Remove Buy NowSamsungGear S2Remove Buy NowFitbitIonicRemove Buy NowAmazfitGTRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$300$299$199$799
Release20162015201720192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days4+ days24 days36 hrs
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
Resolution320 x 320360 x 360348x250454 x 454502x410 pixels
Size1.63 inches or 1.45 inch1.2 inches1.421.39 inches1.92 inches
Touch
TypeAMOLEDSuper AMOLEDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP6850m5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearTizenFitbit OSBuild-inWatchOS 9
Apps
Music

All Wearables