Polar M600 vs. Xiaomi Mi Band 2 vs. Garmin Forerunner 935 vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
M600
Mi Band 2
Forerunner 935
Forerunner 45
T-Rex
 PolarM600Remove Buy NowXiaomiMi Band 2Remove Buy NowGarminForerunner 935Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$23$500$199$140
Release20162016201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration2 days20 hoursUp to 2 weeks7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a240 x 240208 x 208360 x 360
Size1.3 inches0.42 inches1.2 inches1.04 inches1.3 inches
Touchn/a
TypeTFTOLEDLCDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aBuilt-inBuild-in
Apps
Music

All Wearables