Garmin Vivoactive HR vs. Amazfit Stratos vs. Samsung Gear 2 vs. Amazfit GTR vs. Amazfit T-Rex

 
Vivoactive HR
Stratos
Gear 2
GTR
T-Rex
 GarminVivoactive HRRemove Buy NowAmazfitStratosRemove Buy NowSamsungGear 2Remove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$199$300$199$140
Release20162018201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration13 hours to 8 days5 days2-3 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205320 x 300320 x 320454 x 454360 x 360
Size1.38 inches1.34 inches1.63 inches1.39 inches1.3 inches
Touch
Typen/aOLEDSuper AMOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryTizen OSBuild-inBuild-in
Apps
Music

All Wearables