Polar M400 vs. Polar M600 vs. Fossil Q Dreamer vs. Garmin Forerunner 45 vs. HTC re Grip

 
M400
M600
Q Dreamer
Forerunner 45
re Grip
 PolarM400Remove Buy NowPolarM600Remove Buy NowFossilQ DreamerRemove Buy NowGarminForerunner 45Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$330$125$199$199
Release20142016201520192020

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days7 days7 days5 hours to 2.5 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/a208 x 208160 x 32
Sizen/a1.3 inchesn/a1.04 inches1.8 inches
Touchn/an/a
Typen/aTFTn/aLCDPMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8IP675 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aBuilt-inNA
Apps
Music

All Wearables