Samsung Gear S vs. Samsung Gear S2 vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Garmin Vivofit 4

 
Gear S
Gear S2
Flex 2
Ionic
Vivofit 4
 SamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$250$300$100$299$79.95
Release20132015201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days5 days4+ 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

Colorn/a
Resolution480 x 360360 x 360n/a348x25088 x 88
Size2 inches1.2 inchesn/a1.42NA
Touchn/a
TypeSuper AMOLEDSuper AMOLEDLEDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP685 ATM50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizenn/aFitbit OS
Apps
Music

All Wearables