Fitbit Flex 2 vs. Garmin Fenix 5X vs. Garmin Forerunner 235 vs. Fitbit Alta HR vs. Apple Watch Ultra

 
Flex 2
Fenix 5X
Forerunner 235
Alta HR
Watch Ultra
 FitbitFlex 2Remove Buy NowGarminFenix 5XRemove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$699$299.99$150$799
Release20162017201720172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 12 days9 days7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x240215 x 180128 x 36502x410 pixels
Sizen/a1.2 inches1.23 inches1.4 inches1.92 inches
Touchn/a
TypeLEDNAMIPOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatchOS 9
Apps
Music

All Wearables