Apple Watch Series 3 vs. Samsung Gear S2 vs. Samsung Gear S3 vs. Moov Now vs. Amazfit T-Rex

 
Watch Series 3
Gear S2
Gear S3
Now
T-Rex
 AppleWatch Series 3Remove Buy NowSamsungGear S2Remove Buy NowSamsungGear S3Remove Buy NowMoovNowRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$300$350$79$140
Release20172015201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleepn/a
Steps
Swim

Battery

Duration18 hours2-3 days4 days6 months20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/an/a
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312360 x 360360 x 360n/a360 x 360
Size1.5 inches or 1.65 inches1.2 inches1.3 inchesn/a1.3 inches
Touchn/a
TypeAMOLEDSuper AMOLEDFullcolor AODn/aAMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMIP68IP68n/a5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4TizenTizenn/aBuild-in
Apps
Music

All Wearables