Samsung Gear S vs. LG Watch Sport vs. Fitbit Alta HR vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Gear S
Watch Sport
Alta HR
Forerunner 45
T-Rex
 SamsungGear SRemove Buy NowLGWatch SportRemove Buy NowFitbitAlta HRRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$349$150$199$140
Release20132016201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a1.45 days7 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360480 x 480128 x 36208 x 208360 x 360
Size2 inches1.38 inches1.4 inches1.04 inches1.3 inches
Touch
TypeSuper AMOLEDP-OLEDOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenAndroid Wear 2Built-inBuild-in
Apps
Music

All Wearables