Samsung Gear S2 vs. Sony SmartWatch 3 vs. Polar M430 vs. Amazfit T-Rex vs. Apple Watch 7

 
Gear S2
SmartWatch 3
M430
T-Rex
Watch 7
 SamsungGear S2Remove Buy NowSonySmartWatch 3Remove Buy NowPolarM430Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$250$255$140$429
Release20152014201720192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days2 days30 hours20 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360320 x 320128x128360 x 360396 x 484
Size1.2 inches1.6 inches1.4 inch1.3 inches1.9 inches
Touch
TypeSuper AMOLEDTFT LCDLCDAMOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP68WR305 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenAndroid WearBuild-inWatchOS 8
Apps
Music

All Wearables