Fitbit Ionic vs. Garmin vívoactive 4S

Smartwatch Comparison, Reviews and Tests

Detailed comparison and review of Fitbit Ionic and Garmin vívoactive 4S. With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.

Smartwatch Specifications Comparison

Fitbit Ionic vs. Garmin vívoactive 4S Comparison Chart
GENERAL Fitbit Ionic Garmin vívoactive 4S
Product Type Smart watch Sport watch
Supported Host Device OS iOS, Android, Windows Phone iOS, Android
Wearing Style Watch style Watch style
Width 38.6 mm 40 mm
Height 12.4 mm 40 mm
Lenght 256.5 mm -
Depth 12.4 mm 12.7 mm
Weight 50 g 40 g
Body Material Aerospace-grade aluminium Stainless steel, fibre-reinforced polymer
Protection Water-resistant Water-resistant
Colours Charcoal, smoke grey | Burnt orange, slate blue | Blue grey, silver grey -
Clock Display - Yes
FEATURES Fitbit Ionic Garmin vívoactive 4S
Sensors Accelerometer, altimeter, heart rate Accelerometer, thermometre, altimeter, gyro sensor, heart rate, electromagnetic compass, Pulse Ox sensor
Tracking Data Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, pace, sleep stages, swim laps, active time Distance, time, calories burned, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, menstrual cycle, breathing rate, hydration
Goal Setting Yes Yes
Features PurePulse heart rate technology, automatic exercise recognition, SmartTrack Music remote handling, find phone function, idle alert, HR zones, Move IQ, Garmin Connect compatible, Find my Device, store & play music, rejecting a call, Garmin Elevate, TrueUp, Body Battery
Notifications Missed calls, calendar, SMS, social apps SMS, incoming calls
Vibrating Alert Yes -
Navigation (GPS) - GPS/GLONASS/Galileo receiver
Payment Technology - Garmin Pay
CONNECTIVITY Fitbit Ionic Garmin vívoactive 4S
Wireless Interface Bluetooth, IEEE 802.11b/g/n, NFC Bluetooth, Wi-Fi, NFC, ANT+
DISPLAY Fitbit Ionic Garmin vívoactive 4S
Type LCD - colour Memory-in-Pixel LCD - colour
Resolution - 218 x 218 pixels
Screen Size - 1.1"
Screen Protection Corning Gorilla Glass 3 (scratch resistant glass) Corning Gorilla Glass 3 (scratch resistant glass)
INPUT DEVICE Fitbit Ionic Garmin vívoactive 4S
Type Touch sensitive screen Touch sensitive screen, touch buttons
CASE Fitbit Ionic Garmin vívoactive 4S
Case Size - 40 mm
Case Shape - Round
Bezel - Slate stainless steeel
Case Back - Polymer
Case Details Silver grey aluminium Black | Powder grey | White | Dust rose
BAND Fitbit Ionic Garmin vívoactive 4S
Band Type Sport band Band
Band Width - 18 mm
Fits Wrist with Circumference - 110-175 mm
Clasp Type - Buckle
Band Material - Silicone
Band Colour Ink blue/ice grey Black | Powder grey | White | Dust rose
BATTERY Fitbit Ionic Garmin vívoactive 4S
Technology - Lithium polymer
Battery Life 4 day(s) 7 day(s)
Battery Life Details - Smartwatch mode - up to 7 days
GPS mode - up to 15 hour(s)
Smartwatch with music mode - up to 6 hour(s)
GPS with Music mode - up to 5 hour(s)
Rechargeable Battery - Yes
MISCELLANEOUS Fitbit Ionic Garmin vívoactive 4S
Included Accessories Charging cable, 2 wristbands (S+L) Charging/data cable
Preloaded Software - Garmin Pay, Garmion Connect IQ
Max Depth of Water Resistance 50 m 50 m
Max Operating Temperature - 60 °C
Min Operating Temperature - -20 °C
Warranty 1-year warranty -
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