Apple Watch Series 3 vs. Withings Steel HR vs. Fitbit Zip vs. ASUS ZenWatch 3 vs. Amazfit T-Rex

 
Watch Series 3
Steel HR
Zip
ZenWatch 3
T-Rex
 AppleWatch Series 3Remove Buy NowWithingsSteel HRRemove Buy NowFitbitZipRemove Buy NowASUSZenWatch 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$180$60$229$140
Release20172016201220172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours25 days6 months48 hours20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/an/a400 x 400360 x 360
Size1.5 inches or 1.65 inchesn/an/a1.39 inches1.3 inches
Touch
TypeAMOLEDn/an/aAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMSplash Resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aAndroid Wear 2Build-in
Apps
Music

All Wearables