Samsung Gear S2 vs. Fitbit Ionic vs. Fitbit Versa 2 vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
Gear S2
Ionic
Versa 2
Forerunner 45
VivoActive 4
 SamsungGear S2Remove Buy NowFitbitIonicRemove Buy NowFitbitVersa 2Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$299$199$199$349
Release20152017201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days4+ days5 days7 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360348x250300 x 300208 x 208260 x 260
Size1.2 inches1.421.34 inches1.04 inches1.3ionches
Touch
TypeSuper AMOLEDOLEDAMOLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6850m5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenFitbit OSBuild-inBuilt-inWear OS
Apps
Music

All Wearables