Fitbit Surge vs. Fitbit Alta vs. Apple Watch Series 2 vs. Amazfit Stratos vs. Amazfit GTR

 
Surge
Alta
Watch Series 2
Stratos
GTR
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitStratosRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$130$269$199$199
Release20162016201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days18 hours5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312320 x 300454 x 454
Size1.26 inchesn/a1.5 inches or 1.65 inches1.34 inches1.39 inches
Touchn/a
TypeMonochrome LCDOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSProprietaryBuild-in
Apps
Music

All Wearables