Fitbit Flex 2 vs. Apple Watch vs. Amazfit GTR vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Flex 2
Watch
GTR
T-Rex
VivoActive 4
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$349$199$140$349
Release20162015201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours24 days20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312454 x 454360 x 360260 x 260
Sizen/a1.5 inches or 1.65 inches1.39 inches1.3 inches1.3ionches
Touchn/a
TypeLEDAMOLEDAMOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSBuild-inBuild-inWear OS
Apps
Music

All Wearables