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All Apple Apple Watch Ultra 2 vs. Apple Watch SE (2022) vs. Apple Watch Ultra vs. Fitbit Ace 3 vs. Fitbit Charge 5 vs. Fitbit Charge 6 vs. Garmin Vivosmart 4 vs. Polar Loop 2
Apple Apple Watch Ultra 2 Apple Watch SE (2022) Apple Watch Ultra Fitbit Ace 3 Fitbit Charge 5 Fitbit Charge 6 Garmin Vivosmart 4 Polar Loop 2

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Price and Release Date

Suggested Price$799$249$799$130$180$159$130$120
Release / Update20232022202220212021202320182015

Activity & Fitness

Calories
Distance
HeartThird-generation optical heart sensor$
VO2max (Oxygen)
Sleep
Steps
Stress mgt
Female health
Skin temp
Breath rate

Battery

DurationUp to 36 hours normal use, Up to 72 hours in Low Power ModeNot yet36 hrs8 Days7 DaysUp to 7 days7 days8 days (without notifications)
Rechargeable

Compatibility Support

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity Support

Bluetooth
CellularOptional
GPS
NFC
Wi-Fi

Display

Color
Resolution502 x 410 pixels368 x 448 pixels502×410 pixels240 x 24048 x 128
Size49mm40mm1.92 inches1.47 inches1.04 inches1.04-inch AMOLED0.74 inches
Touch
TypeAlways-On Retina LTPO OLEDLTPO OLED RetinaLTPO OLED RetinaPMOLEDAMOLEDAMOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWater resistance 100m, Dust resistance IP6X, EN13319 recreational scuba diving to 40m, Tested to MIL-STD 810H5 ATM (50 Meters)10 ATM (100 Meters)5 ATM5 ATM (50 Meters)Water-resistant up to 50m5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 10WatchOS 8.1WatchOS 9Built-inFitbit OSFitbit OSn/a
Apps
Music

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