Polar M400 vs. Polar M600 vs. Fossil Q Dreamer vs. Pebble Time 2 vs. Amazfit T-Rex

 
M400
M600
Q Dreamer
Time 2
T-Rex
 PolarM400Remove Buy NowPolarM600Remove Buy NowFossilQ DreamerRemove Buy NowPebbleTime 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$330$125$199$140
Release20142016201520162019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days7 days10 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/aNA360 x 360
Sizen/a1.3 inchesn/aNA1.3 inches
Touchn/an/a
Typen/aTFTn/ae-paperAMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8IP673 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aPebble OSBuild-in
Apps
Music

All Wearables