Polar M600 vs. Fossil Q Dreamer vs. Diesel On Full Guard 2.5 vs. Xiaomi Mi Band 4 vs. Amazfit T-Rex

 
M600
Q Dreamer
On Full Guard 2.5
Mi Band 4
T-Rex
 PolarM600Remove Buy NowFossilQ DreamerRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowXiaomiMi Band 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$125$325$25$140
Release20162015201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days7 days4 days20 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a454x454120x240360 x 360
Size1.3 inchesn/a1.39 inches0.95 inches1.3 inches
Touchn/an/a
TypeTFTn/aAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP673 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSAMAZFIT OSBuild-in
Apps
Music

All Wearables