Polar M600 vs. Fitbit Alta vs. Garmin Fenix 5X vs. Fitbit Alta HR vs. Amazfit T-Rex

 
M600
Alta
Fenix 5X
Alta HR
T-Rex
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowGarminFenix 5XRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$130$699$150$140
Release20162016201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 daysUp to 12 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a240 x240128 x 36360 x 360
Size1.3 inchesn/a1.2 inches1.4 inches1.3 inches
Touchn/an/a
TypeTFTOLEDNAOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a10 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aBuild-in
Apps
Music

All Wearables