Apple Watch Series 3 vs. ASUS ZenWatch 2 vs. Fitbit Alta vs. Amazfit Stratos vs. Apple Watch Ultra

 
Watch Series 3
ZenWatch 2
Alta
Stratos
Watch Ultra
 AppleWatch Series 3Remove Buy NowASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$329$150$130$199$799
Release20172016201620182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a5 days5 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320n/a320 x 300502x410 pixels
Size1.5 inches or 1.65 inches1.63 inches or 1.45 inchn/a1.34 inches1.92 inches
Touchn/a
TypeAMOLEDAMOLEDOLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67n/a5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemWatchOS 4Android Wearn/aProprietaryWatchOS 9
Apps
Music

All Wearables