Polar M600 vs. Fitbit Alta vs. ASUS ZenWatch 3 vs. Amazfit GTS vs. HTC re Grip

 
M600
Alta
ZenWatch 3
GTS
re Grip
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowAmazfitGTSRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$130$229$150$199
Release20162016201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days48 hours14 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a400 x 400348 x 442160 x 32
Size1.3 inchesn/a1.39 inches1.65 inches1.8 inches
Touchn/an/a
TypeTFTOLEDAMOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aAndroid Wear 2Wear OSNA
Apps
Music

All Wearables