Fitbit Alta vs. Apple Watch Series 2 vs. Amazfit Bip vs. Garmin 645 Music vs. Fitbit Charge HR

 
Alta
Watch Series 2
Bip
645 Music
Charge HR
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitBipRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$130$269$99.99$450$150
Release20162016201820182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours30 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312176 x 176240 x 240NA
Sizen/a1.5 inches or 1.65 inches1.28 inches1.2 inchesNA
Touchn/aNA
TypeOLEDAMOLEDNAMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMIP685 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNA
Apps
Music

All Wearables