Samsung Gear S3 vs. Polar Loop 2 vs. Garmin Forerunner 235 vs. Fitbit Charge vs. Amazfit T-Rex

 
Gear S3
Loop 2
Forerunner 235
Charge
T-Rex
 SamsungGear S3Remove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitChargeRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$120$299.99$130$140
Release20162015201720142019

Activity & Fitness

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

Battery

Duration4 days8 days (without notifications)9 days7-10 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolution360 x 360n/a215 x 180NA360 x 360
Size1.3 inchesn/a1.23 inchesNA1.3 inches
TouchNA
TypeFullcolor AODLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP682 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNABuild-in
Apps
Music

All Wearables