Fitbit Charge 2 vs. ASUS ZenWatch 3 vs. Fitbit Charge vs. Amazfit T-Rex vs. Apple Series 6

 
Charge 2
ZenWatch 3
Charge
T-Rex
Series 6
 FitbitCharge 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitChargeRemove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$229$130$140$399
Release20162017201420192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours7-10 days20 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400NA360 x 360384 x 480
Sizen/a1.39 inchesNA1.3 inches40mm
Touchn/aNA
TypeOLEDAMOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NABuild-inWatchOS 5
Apps
Music

All Wearables