Samsung Gear S2 vs. Fitbit Ionic vs. Garmin Forerunner 935 vs. Fitbit Flex vs. Garmin VivoActive 4

 
Gear S2
Ionic
Forerunner 935
Flex
VivoActive 4
 SamsungGear S2Remove Buy NowFitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowFitbitFlexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$299$500$100$349
Release20152017201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days4+ daysUp to 2 weeks5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360348x250240 x 240NA260 x 260
Size1.2 inches1.421.2 inchesNA1.3ionches
TouchNA
TypeSuper AMOLEDOLEDLCDLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6850m5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenFitbit OSNAWear OS
Apps
Music

All Wearables