Polar M600 vs. Polar V800 vs. Motorola Moto 360 (1st Gen) vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
M600
V800
Moto 360 (1st Gen)
Forerunner 45
T-Rex
 PolarM600Remove Buy NowPolarV800Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$470$150$199$140
Release20162014201420192019

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days13 hours to 30 days1 day7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a320 x 260208 x 208360 x 360
Size1.3 inchesn/a1.56 inches1.04 inches1.3 inches
Touchn/a
TypeTFTn/aLCDLCDAMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX83 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearBuilt-inBuild-in
Apps
MusicNA

All Wearables