Polar M430 vs. Diesel On Full Guard vs. Polar A370 vs. Amazfit T-Rex vs. Apple Series 6

 
M430
On Full Guard
A370
T-Rex
Series 6
 PolarM430Remove Buy NowDieselOn Full GuardRemove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$255$325$179.95$140$399
Release20172017201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours1 dayUp to 3 days20 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128454 x 454160 x 80360 x 360384 x 480
Size1.4 inch1.4 inches1.18 inches1.3 inches40mm
Touch
TypeLCDOMOLEDTFT LCDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceWR30IP67WR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2.0Build-inWatchOS 5
Apps
Music

All Wearables