Samsung Gear S2 vs. Fitbit Flex 2 vs. Garmin Vivoactive 3 vs. Amazfit GTR vs. HTC re Grip

 
Gear S2
Flex 2
Vivoactive 3
GTR
re Grip
 SamsungGear S2Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivoactive 3Remove Buy NowAmazfitGTRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$300$100$299$199$199
Release20152016201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days7 days24 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a240 x 240454 x 454160 x 32
Size1.2 inchesn/a1.2 inches1.39 inches1.8 inches
Touchn/a
TypeSuper AMOLEDLEDMIPAMOLEDPMOLED

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 SystemTizenn/aBuild-inNA
Apps
Music

All Wearables