Fitbit One vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Amazfit GTR vs. Apple Series 6

 
One
Watch Series 2
ZenWatch 3
GTR
Series 6
 FitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$269$229$199$399
Release20122016201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hours48 hours24 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400454 x 454384 x 480
Sizen/a1.5 inches or 1.65 inches1.39 inches1.39 inches40mm
Touch
TypeOLEDAMOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplast Resistant5ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2Build-inWatchOS 5
Apps
Music

All Wearables