Samsung Gear S2 vs. Samsung Gear Fit vs. Samsung Gear Fit2 Pro vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Gear S2
Gear Fit
Gear Fit2 Pro
On Full Guard 2.5
T-Rex
 SamsungGear S2Remove Buy NowSamsungGear FitRemove Buy NowSamsungGear Fit2 ProRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$150$199.99$325$140
Release20152014201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days2-3 days2 days4 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360432 x 128216 x 432454x454360 x 360
Size1.2 inches1.84 inches1.5 inches1.39 inches1.3 inches
Touch
TypeSuper AMOLEDSuper AMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP675 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenNATizen OSWear OSBuild-in
Apps
Music

All Wearables