Motorola Moto 360 (2nd Gen) vs. Polar V800 vs. Amazfit T-Rex vs. HTC re Grip

 
Moto 360 (2nd Gen)
V800
T-Rex
re Grip
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarV800Remove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$300$470$140$199
Release2015201420192020

Activity & Fitness

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

Battery

Duration1.5 days13 hours to 30 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
Resolution360 x 325 or 360 x 330n/a360 x 360160 x 32
Size1.37 inches or 1.56 inchesn/a1.3 inches1.8 inches
Touch
TypeLCDn/aAMOLEDPMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aBuild-inNA
Apps
Musicn/a

All Wearables