Apple Watch Series 3 vs. Samsung Gear 2 vs. Fitbit Charge HR vs. Apple Watch Series 5 vs. Apple Watch 7

 
Watch Series 3
Gear 2
Charge HR
Watch Series 5
Watch 7
 AppleWatch Series 3Remove Buy NowSamsungGear 2Remove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 5Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$329$300$150$329$429
Release20172014201520192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration18 hours2-3 days5 daysNot Yet18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320NA384 x 480396 x 484
Size1.5 inches or 1.65 inches1.63 inchesNA1.78 Inches1.9 inches
TouchNA
TypeAMOLEDSuper AMOLEDOLEDMicroLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATMNot Yetwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Tizen OSNAWatchOS 5WatchOS 8
Apps
Music

All Wearables