Motorola Moto 360 (2nd Gen) vs. Fitbit Charge 2 vs. Apple Watch Series 4 vs. Amazfit T-Rex vs. HTC re Grip

 
Moto 360 (2nd Gen)
Charge 2
Watch Series 4
T-Rex
re Grip
 MotorolaMoto 360 (2nd Gen)Remove Buy NowFitbitCharge 2Remove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$300$150$329$140$199
Release20152016201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days5 daysNot Yet20 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a384 x 480360 x 360160 x 32
Size1.37 inches or 1.56 inchesn/a1.78 inches1.3 inches1.8 inches
Touchn/a
TypeLCDOLEDMicroLEDAMOLEDPMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/aNot Yet5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWatch OS 5Build-inNA
Apps
Musicn/a

All Wearables