Fitbit Surge vs. Garmin Forerunner 735XT vs. Polar Loop 2 vs. Amazfit Stratos vs. Garmin Vivosmart 4

 
Surge
Forerunner 735XT
Loop 2
Stratos
Vivosmart 4
 FitbitSurgeRemove Buy NowGarminForerunner 735XTRemove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$450$120$199$130
Release20162016201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days14 hours to 11 days8 days (without notifications)5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180n/a320 x 30048 x 128
Size1.26 inches1.23 inchesn/a1.34 inches0.74 inches
Touchn/a
TypeMonochrome LCDn/aLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM2 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aProprietary
Apps
Music

All Wearables