ASUS ZenWatch 2 vs. TomTom Adventurer vs. Fitbit Alta HR vs. Amazfit T-Rex vs. HTC re Grip

 
ZenWatch 2
Adventurer
Alta HR
T-Rex
re Grip
 ASUSZenWatch 2Remove Buy NowTomTomAdventurerRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$350$150$140$199
Release20162016201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/an/a7 days20 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

Color
Resolution320 x 320n/a128 x 36360 x 360160 x 32
Size1.63 inches or 1.45 inchn/a1.4 inches1.3 inches1.8 inches
Touch
TypeAMOLEDn/aOLEDAMOLEDPMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATMIP57

Notifications

Phonen/a
Emailsn/an/a
Textsn/an/a

Software

Operating SystemAndroid Wearn/aBuild-inNA
Apps
Music

All Wearables