Apple Watch Series 3 vs. Polar V800 vs. Withings Activite Sapphire vs. Fitbit Flex 2 vs. Apple Watch 7

 
Watch Series 3
V800
Activite Sapphire
Flex 2
Watch 7
 AppleWatch Series 3Remove Buy NowPolarV800Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitFlex 2Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$329$470$450$100$429
Release20172014201420162021

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours13 hours to 30 days8 months5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/an/an/a396 x 484
Size1.5 inches or 1.65 inchesn/a1.3 inchesn/a1.9 inches
Touchn/a
TypeAMOLEDn/aAnalogLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/an/aWatchOS 8
Apps
Music

All Wearables