Fitbit One vs. Fitbit Zip vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Apple Watch 7

 
One
Zip
Watch Series 2
645 Music
Watch 7
 FitbitOneRemove Buy NowFitbitZipRemove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$60$269$450$429
Release20122012201620182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days6 months18 hours7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312240 x 240396 x 484
Sizen/an/a1.5 inches or 1.65 inches1.2 inches1.9 inches
Touch
TypeOLEDn/aAMOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantSplash Resistant5ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSWatchOS 8
Apps
Music

All Wearables