Fitbit Surge vs. Garmin Forerunner 225 vs. Olio Model One vs. Diesel On Full Guard 2.5 vs. Amazfit GTS

 
Surge
Forerunner 225
Model One
On Full Guard 2.5
GTS
 FitbitSurgeRemove Buy NowGarminForerunner 225Remove Buy NowOlioModel OneRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$250$300$595$325$150
Release20162015201520182019

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Duration7 days10 hours to 4 weeks2 days4 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a180 x 180n/a454x454348 x 442
Size1.26 inches1 inchn/a1.39 inches1.65 inches
Touch
TypeMonochrome LCDn/an/aAMOLED

Functions

Audio Speaker22n/a
Clock
Phonen/an/a
Vibrationn/a
Voice

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM3 ATM5 ATM

Notifications

Phonen/an/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aWear OSWear OS
Appsn/an/a
Musicn/a

All Wearables