Polar M600 vs. Fitbit Charge 2 vs. Polar M430 vs. Amazfit T-Rex vs. Apple SE

 
M600
Charge 2
M430
T-Rex
SE
 PolarM600Remove Buy NowFitbitCharge 2Remove Buy NowPolarM430Remove Buy NowAmazfitT-RexRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$330$150$255$140$279
Release20162016201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days30 hours20 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a128x128360 x 360384 x 480
Size1.3 inchesn/a1.4 inch1.3 inches40mm
Touchn/an/a
TypeTFTOLEDLCDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water ResistanceIPX8n/aWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aBuild-inWatchOS 5
Apps
Music

All Wearables