Samsung Gear S vs. Samsung Gear S2 vs. Fitbit Ionic vs. Fitbit Charge 3 vs. Garmin Forerunner 45

 
Gear S
Gear S2
Ionic
Charge 3
Forerunner 45
 SamsungGear SRemove Buy NowSamsungGear S2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$250$300$299$150$199
Release20132015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days4+ days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/aNot yet

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFCNA
Wi-Fi

Display

Color
Resolution480 x 360360 x 360348x25066 x 18208 x 208
Size2 inches1.2 inches1.42.721 inches1.04 inches
Touch
TypeSuper AMOLEDSuper AMOLEDOLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP6850m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizenFitbit OSNABuilt-in
Apps
Music

All Wearables