Garmin Forerunner 225 vs. Samsung Gear S3 vs. Fitbit Alta vs. Amazfit T-Rex vs. Apple Watch 7

 
Forerunner 225
Gear S3
Alta
T-Rex
Watch 7
 GarminForerunner 225Remove Buy NowSamsungGear S3Remove Buy NowFitbitAltaRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$350$130$140$429
Release20152016201620192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Duration10 hours to 4 weeks4 days5 days20 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolution180 x 180360 x 360n/a360 x 360396 x 484
Size1 inch1.3 inchesn/a1.3 inches1.9 inches
Touchn/a
Typen/aFullcolor AODOLEDAMOLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP68n/a5 ATMwater resistant but not waterproof

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/aTizenn/aBuild-inWatchOS 8
Appsn/a
Musicn/a

All Wearables