Apple Watch Series 3 vs. Fossil Q Dreamer vs. Fitbit Ionic vs. Garmin 645 Music vs. Amazfit T-Rex

 
Watch Series 3
Q Dreamer
Ionic
645 Music
T-Rex
 AppleWatch Series 3Remove Buy NowFossilQ DreamerRemove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$125$299$450$140
Release20172015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours7 days4+ days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a348x250240 x 240360 x 360
Size1.5 inches or 1.65 inchesn/a1.421.2 inches1.3 inches
Touchn/a
TypeAMOLEDn/aOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP6750m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aFitbit OSBuild-in
Apps
Music

All Wearables