Apple Watch Series 3 vs. Fitbit Flex 2 vs. Garmin Vivosmart vs. Casio G-Shock GBA800 vs. HTC re Grip

 
Watch Series 3
Flex 2
Vivosmart
G-Shock GBA800
re Grip
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowCasioG-Shock GBA800Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$329$100$170$120$199
Release20172016201420182020

Activity & Fitness

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

Battery

Duration18 hours5 days7 days2 years5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a128 x 16160 x 32
Size1.5 inches or 1.65 inchesn/a1.41 inches1.8 inches
Touchn/a
TypeAMOLEDLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM20 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aNA
Apps
Music

All Wearables