Fitbit Alta vs. Apple Watch Series 2 vs. Amazfit Arc vs. Fitbit Charge HR vs. Apple Series 6

 
Alta
Watch Series 2
Arc
Charge HR
Series 6
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitArcRemove Buy NowFitbitCharge HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$269$69.99$150$399
Release20162016201620152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours20 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 31272 x40NA384 x 480
Sizen/a1.5 inches or 1.65 inches0.42 inchesNA40mm
Touchn/aNA
TypeOLEDAMOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5ATMIP671 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNAWatchOS 5
Apps
Music

All Wearables