Apple Watch Series 3 vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Huawei Watch 2 vs. Amazfit Stratos

 
Watch Series 3
Watch Series 2
Ionic
Watch 2
Stratos
 AppleWatch Series 3Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowHuaweiWatch 2Remove Buy NowAmazfitStratosRemove Buy Now

Basic Info

Suggested Price$329$269$299$350$199
Release20172016201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours18 hours4+ days48 hours5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312340 x 272 or 390 x 312348x250480 x 480320 x 300
Size1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.421.38 inches1.34 inches
Touch
TypeAMOLEDAMOLEDOLEDP-OLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM50mIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Watch OSFitbit OSAndroid Wear 2Proprietary
Apps
Music

All Wearables