Fitbit Flex 2 vs. Amazfit Arc vs. Diesel On Full Guard vs. Garmin Forerunner 45 vs. Amazfit GTS

 
Flex 2
Arc
On Full Guard
Forerunner 45
GTS
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowDieselOn Full GuardRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$69.99$325$199$150
Release20162016201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days1 day7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a72 x40454 x 454208 x 208348 x 442
Sizen/a0.42 inches1.4 inches1.04 inches1.65 inches
Touchn/a
TypeLEDOLEDOMOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67IP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Built-inWear OS
Apps
Music

All Wearables