Garmin Vivoactive HR vs. Garmin 645 Music vs. Mobvoi TicWatch S vs. Fitbit Flex vs. Apple Watch Ultra

 
Vivoactive HR
645 Music
TicWatch S
Flex
Watch Ultra
 GarminVivoactive HRRemove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch SRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$250$450$199$100$799
Release20162018201720132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days7 days1.5-2 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205240 x 240400 x 400NA502x410 pixels
Size1.38 inches1.2 inches1.4 inchesNA1.92 inches
TouchNA
Typen/aMIPOLEDLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP671 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NAWatchOS 9
Apps
Music

All Wearables