Polar M600 vs. Sony SmartBand 2 vs. ASUS ZenWatch 3 vs. Apple Watch Ultra vs. Fitbit Sense 2

 
M600
SmartBand 2
ZenWatch 3
Watch Ultra
Sense 2
 PolarM600Remove Buy NowSonySmartBand 2Remove Buy NowASUSZenWatch 3Remove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$330$130$229$799$300
Release20162015201720222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days48 hours36 hrs6 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a400 x 400502x410 pixels336x336
Size1.3 inchesn/a1.39 inches1.92 inches1.59 inches
Touchn/an/a
TypeTFTn/aAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP5810 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid Wear 2WatchOS 9
Apps
Music

All Wearables