Samsung Gear S2 vs. Garmin Forerunner 235 vs. Amazfit T-Rex vs. Garmin VivoActive 4 vs. HTC re Grip

 
Gear S2
Forerunner 235
T-Rex
VivoActive 4
re Grip
 SamsungGear S2Remove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$300$299.99$140$349$199
Release20152017201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days9 days20 days8 days5 hours to 2.5 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 360215 x 180360 x 360260 x 260160 x 32
Size1.2 inches1.23 inches1.3 inches1.3ionches1.8 inches
Touch
TypeSuper AMOLEDMIPAMOLEDMIPPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenBuild-inWear OSNA
Apps
Music

All Wearables