Fitbit Flex 2 vs. Garmin Fenix 5s vs. Garmin Vivofit 4 vs. Amazfit GTR vs. Apple Watch Ultra

 
Flex 2
Fenix 5s
Vivofit 4
GTR
Watch Ultra
 FitbitFlex 2Remove Buy NowGarminFenix 5sRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitGTRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$599.99$79.95$199$799
Release20162017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 9 days1 year24 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a218x 21888 x 88454 x 454502x410 pixels
Sizen/a1.1 inchesNA1.39 inches1.92 inches
Touchn/a
TypeLEDnaNAAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-inWatchOS 9
Apps
Music

All Wearables