Fitbit Blaze vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Fitbit Flex vs. Apple Watch Ultra

 
Blaze
Watch Series 2
645 Music
Flex
Watch Ultra
 FitbitBlazeRemove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$200$269$450$100$799
Release20162016201820132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days18 hours7 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x 240NA502x410 pixels
Sizen/a1.5 inches or 1.65 inches1.2 inchesNA1.92 inches
TouchNA
TypeLCDAMOLEDMIPLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNAWatchOS 9
Apps
Music

All Wearables