Samsung Gear S vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
Gear S
ZenWatch 3
Ionic
Forerunner 45
VivoActive 4
 SamsungGear SRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$250$229$299$199$349
Release20132017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours4+ days7 days8 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360400 x 400348x250208 x 208260 x 260
Size2 inches1.39 inches1.421.04 inches1.3ionches
Touch
TypeSuper AMOLEDAMOLEDOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenAndroid Wear 2Fitbit OSBuilt-inWear OS
Apps
Music

All Wearables