Fitbit Surge vs. Polar M600 vs. Fitbit Flex 2 vs. Acer Liquid Leap vs. Garmin VivoActive 4

 
Surge
M600
Flex 2
Liquid Leap
VivoActive 4
 FitbitSurgeRemove Buy NowPolarM600Remove Buy NowFitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$250$330$100$90$349
Release20162016201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days5 days5 to 7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/a128 x 32260 x 260
Size1.26 inches1.3 inchesn/a1 inch1.3ionches
Touchn/an/a
TypeMonochrome LCDTFTLEDOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX85 ATMIPX45 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aWear OS
Apps
Music

All Wearables