Apple Watch Series 3 vs. Fossil Q Grant vs. Fitbit Alta vs. Diesel On Full Guard vs. Amazfit T-Rex

 
Watch Series 3
Q Grant
Alta
On Full Guard
T-Rex
 AppleWatch Series 3Remove Buy NowFossilQ GrantRemove Buy NowFitbitAltaRemove Buy NowDieselOn Full GuardRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$175$130$325$140
Release20172015201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours7 days5 days1 day20 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/an/a454 x 454360 x 360
Size1.5 inches or 1.65 inchesn/an/a1.4 inches1.3 inches
Touchn/an/a
TypeAMOLEDn/aOLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/aIP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/an/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables