Fitbit Alta vs. Fossil Q Dreamer vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Amazfit T-Rex

 
Alta
Q Dreamer
Watch Series 2
ZenWatch 3
T-Rex
 FitbitAltaRemove Buy NowFossilQ DreamerRemove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$125$269$229$140
Release20162015201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days18 hours48 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312400 x 400360 x 360
Sizen/an/a1.5 inches or 1.65 inches1.39 inches1.3 inches
Touchn/an/a
TypeOLEDn/aAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSAndroid Wear 2Build-in
Apps
Music

All Wearables