Garmin Forerunner 735XT vs. Fitbit Alta vs. Amazfit Bip vs. Garmin 645 Music vs. Apple Series 6

 
Forerunner 735XT
Alta
Bip
645 Music
Series 6
 GarminForerunner 735XTRemove Buy NowFitbitAltaRemove Buy NowAmazfitBipRemove Buy NowGarmin645 MusicRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$450$130$99.99$450$399
Release20162016201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 days30 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a176 x 176240 x 240384 x 480
Size1.23 inchesn/a1.28 inches1.2 inches40mm
Touchn/an/a
Typen/aOLEDNAMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMn/aIP685 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatchOS 5
Apps
Music

All Wearables