Samsung Gear S vs. Samsung Gear S3 vs. Garmin Chronos vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Gear S
Gear S3
Chronos
Inspire HR
T-Rex
 SamsungGear SRemove Buy NowSamsungGear S3Remove Buy NowGarminChronosRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$350$1500$99$140
Release20132016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Durationn/a4 days8 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolution480 x 360360 x 360218 x 218139 x 60360 x 360
Size2 inches1.3 inches1.2 inches1.4 inches1.3 inches
Touch
TypeSuper AMOLEDFullcolor AODMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP6810 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizenWear OSFitbit OSBuild-in
Apps
Music

All Wearables