Garmin Vivoactive HR vs. Samsung Gear S vs. Fitbit Flex 2 vs. Fitbit One vs. Amazfit T-Rex

 
Vivoactive HR
Gear S
Flex 2
One
T-Rex
 GarminVivoactive HRRemove Buy NowSamsungGear SRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$250$100$100$140
Release20162013201620122019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 daysn/a5 days10-14 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution148 x 205480 x 360n/an/a360 x 360
Size1.38 inches2 inchesn/an/a1.3 inches
Touchn/a
Typen/aSuper AMOLEDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATMSplast Resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/an/aBuild-in
Apps
Music

All Wearables