Polar M430 vs. Samsung Gear 2 vs. Samsung Gear Sport vs. Apple Watch Series 4 vs. Amazfit T-Rex

 
M430
Gear 2
Gear Sport
Watch Series 4
T-Rex
 PolarM430Remove Buy NowSamsungGear 2Remove Buy NowSamsungGear SportRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$255$300$299.99$329$140
Release20172014201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration30 hours2-3 days2 daysNot Yet20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128320 x 320360 x 360384 x 480360 x 360
Size1.4 inch1.63 inches1.2 inches1.78 inches1.3 inches
Touch
TypeLCDSuper AMOLEDSuper AMOLEDMicroLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR30IP675 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizen OSTizen OSWatch OS 5Build-in
Apps
Music

All Wearables