Apple Watch Series 3 vs. ASUS ZenWatch 2 vs. Fitbit Charge HR vs. Amazfit GTS vs. Apple Watch Ultra

 
Watch Series 3
ZenWatch 2
Charge HR
GTS
Watch Ultra
 AppleWatch Series 3Remove Buy NowASUSZenWatch 2Remove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTSRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$329$150$150$150$799
Release20172016201520192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a5 days14 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320NA348 x 442502x410 pixels
Size1.5 inches or 1.65 inches1.63 inches or 1.45 inchNA1.65 inches1.92 inches
TouchNA
TypeAMOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4Android WearNAWear OSWatchOS 9
Apps
Music

All Wearables