Suunto 9 vs. Garmin Approach S20

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Suunto 9 and Garmin Approach S20. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.

Smartwatch Specifications Comparison

Suunto 9 vs. Garmin Approach S20 Comparison Chart
GENERAL Suunto 9 Garmin Approach S20
Product Type Sport watch Sport watch
Supported Host Device OS iOS, Android iOS, Android
Activity/Sport Multisport Golf
Wearing Style Watch style Watch style
Width 50 mm -
Height 50 mm -
Depth 16.8 mm -
Weight 81 g -
Body Details - Sensor: 13 mm x 27 mm 9 g
Body Material Glass fibre reinforced polyamide -
Protection Water-resistant Waterproof
Clock Display Yes Yes
FEATURES Suunto 9 Garmin Approach S20
Sensors Accelerometer, digital compass, barometric altimeter, optical heart sensor Accelerometer
Tracking Data Calories burned, activity, sleep activity, heart rate, steps taken, stress level, sleep duration, recovery time, sleep quality score Distance, time, calories burned, activity, heart rate, steps taken
Goal Setting Yes Yes
Features VO2 max, Bluetooth Smart technology, alarm, countdown timer, weather information, Route guidance Sunlight readable, Garmin Connect compatible, TrueUp, Garmin AutoShot, TruSwing
Notifications SMS, social apps, incoming calls Applications
Vibrating Alert Yes -
Feedback Type Vibration alert, visual interface -
Navigation (GPS) GPS/GLONASS/Galileo/BeiDou/QZSS receiver GPS receiver
CONNECTIVITY Suunto 9 Garmin Approach S20
Wireless Interface Bluetooth Bluetooth, ANT+
DISPLAY Suunto 9 Garmin Approach S20
Type LED - colour Memory-in-Pixel LCD - monochrome
Resolution 320 x 300 pixels 128 x 128 pixels
Dimensions (WxH) - 23 mm x 23 mm
INPUT DEVICE Suunto 9 Garmin Approach S20
Type Touch sensitive screen Single push-button
CASE Suunto 9 Garmin Approach S20
Crystal Type Sapphire crystal Chemically strengthened glass
Case Shape Round Rounded square
Bezel Stainless steel -
Case Details White -
BAND Suunto 9 Garmin Approach S20
Band Type Strap Strap
Band Width 24 mm -
Fits Wrist with Circumference 130-220 mm -
Clasp Type Buckle Buckle
Band Material Silicone Silicone
Band Colour White Black
STORAGE Suunto 9 Garmin Approach S20
Storage Capacity - 64 MB
BATTERY Suunto 9 Garmin Approach S20
Technology Lithium Ion Lithium Ion
Battery Life 14 day(s) 56 day(s)
Battery Life Details Watch mode - up to 14 days
Activity tracking mode - up to 7 days
Training mode/GPS on - up to 170 hours
Smartwatch mode - up to 56 days
GPS mode - up to 15 hours
Rechargeable Battery Yes Yes
MISCELLANEOUS Suunto 9 Garmin Approach S20
Included Accessories Charging cable Charging/data cable
Preloaded Software SuuntoPlus Calendar, Time, Alarm Clock
Compliant Standards MIL-STD 810H -
Max Depth of Water Resistance 100 m 50 m
Max Operating Temperature 55 °C 60 °C
Min Operating Temperature -20 °C -20 °C
Warranty 2-year warranty 1-year warranty
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