Fitbit Flex 2 vs. Apple Watch Series 2 vs. Garmin Fenix 5s vs. Fitbit Alta HR vs. Apple Watch Ultra

 
Flex 2
Watch Series 2
Fenix 5s
Alta HR
Watch Ultra
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowGarminFenix 5sRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$269$599.99$150$799
Release20162016201720172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursUp to 9 days7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312218x 218128 x 36502x410 pixels
Sizen/a1.5 inches or 1.65 inches1.1 inches1.4 inches1.92 inches
Touchn/a
TypeLEDAMOLEDnaOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM10ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWatchOS 9
Apps
Music

All Wearables