Samsung Gear S vs. Fitbit Charge 2 vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45

 
Gear S
Charge 2
ZenWatch
G-Shock GBA800
Forerunner 45
 SamsungGear SRemove Buy NowFitbitCharge 2Remove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$250$150$150$120$199
Release20132016201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 daysNA2 years7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360n/a320 x 320208 x 208
Size2 inchesn/a1.63 inches1.04 inches
Touchn/a
TypeSuper AMOLEDOLEDAMOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/aIP5520 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemTizenn/aAndroid WearBuilt-in
Apps
Music

All Wearables