Samsung Gear S2 vs. Mobvoi TicWatch S vs. Fitbit Inspire HR vs. Amazfit GTR vs. Amazfit T-Rex

 
Gear S2
TicWatch S
Inspire HR
GTR
T-Rex
 SamsungGear S2Remove Buy NowMobvoiTicWatch SRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$199$99$199$140
Release20152017201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days1.5-2 days5 days24 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360400 x 400139 x 60454 x 454360 x 360
Size1.2 inches1.4 inches1.4 inches1.39 inches1.3 inches
Touch
TypeSuper AMOLEDOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenAndroid Wear 2.0Fitbit OSBuild-inBuild-in
Apps
Music

All Wearables