Fitbit Charge 2 vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Apple Series 6 vs. Apple Watch Ultra

 
Charge 2
Watch Series 2
ZenWatch 3
Series 6
Watch Ultra
 FitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowAppleSeries 6Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$269$229$399$799
Release20162016201720202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours48 hoursNot yet36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400384 x 480502x410 pixels
Sizen/a1.5 inches or 1.65 inches1.39 inches40mm1.92 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2WatchOS 5WatchOS 9
Apps
Music

All Wearables