Apple Watch Series 3 vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Garmin Fenix 5s vs. Apple Watch 7

 
Watch Series 3
Flex 2
Ionic
Fenix 5s
Watch 7
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowGarminFenix 5sRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$329$100$299$599.99$429
Release20172016201720172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days4+ daysUp to 9 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a348x250218x 218396 x 484
Size1.5 inches or 1.65 inchesn/a1.421.1 inches1.9 inches
Touchn/a
TypeAMOLEDLEDOLEDnaMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50m10ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aFitbit OSWatchOS 8
Apps
Music

All Wearables