Suunto 9 vs. Garmin Forerunner 45S

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Suunto 9 and Garmin Forerunner 45S. 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 Forerunner 45S Comparison Chart
GENERAL Suunto 9 Garmin Forerunner 45S
Product Type Sport watch Sport watch
Supported Host Device OS iOS, Android iOS, Android
Activity/Sport Multisport -
Wearing Style Watch style Watch style
Width 50 mm 39.5 mm
Height 50 mm 39.5 mm
Depth 16.8 mm 11.4 mm
Weight 81 g 32 g
Body Material Glass fibre reinforced polyamide -
Protection Water-resistant Waterproof
Clock Display Yes Yes
FEATURES Suunto 9 Garmin Forerunner 45S
Sensors Accelerometer, digital compass, barometric altimeter, optical heart sensor Accelerometer, heart rate
Tracking Data Calories burned, activity, sleep activity, heart rate, steps taken, stress level, sleep duration, recovery time, sleep quality score Distance, time, speed, calories burned, sleep activity, heart rate, stress level
Goal Setting Yes Yes
Features VO2 max, Bluetooth Smart technology, alarm, countdown timer, weather information, Route guidance Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device
Notifications SMS, social apps, incoming calls Calendar, Email, social apps
Vibrating Alert Yes Yes
Feedback Type Vibration alert, visual interface -
Navigation (GPS) GPS/GLONASS/Galileo/BeiDou/QZSS receiver -
CONNECTIVITY Suunto 9 Garmin Forerunner 45S
Wireless Interface Bluetooth Bluetooth, ANT+
DISPLAY Suunto 9 Garmin Forerunner 45S
Type LED - colour Memory-in-Pixel LCD - colour - transflective
Resolution 320 x 300 pixels 208 x 208 pixels
Screen Size - 1.04"
INPUT DEVICE Suunto 9 Garmin Forerunner 45S
Type Touch sensitive screen -
CASE Suunto 9 Garmin Forerunner 45S
Crystal Type Sapphire crystal -
Case Shape Round Round
Bezel Stainless steel -
Case Details White White | Iris | Black
BAND Suunto 9 Garmin Forerunner 45S
Band Type Strap Band
Band Size - S
Band Width 24 mm -
Fits Wrist with Circumference 130-220 mm 124-185 mm
Changeable - Yes
Clasp Type Buckle Buckle
Band Material Silicone Silicone
Band Colour White White | Iris | Black
BATTERY Suunto 9 Garmin Forerunner 45S
Technology Lithium Ion -
Battery Life 14 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
GPS mode - up to 13 hour(s)
Smartwatch mode - up to 7 days
Rechargeable Battery Yes -
MISCELLANEOUS Suunto 9 Garmin Forerunner 45S
Included Accessories Charging cable Charging/data cable
Preloaded Software SuuntoPlus -
Compliant Standards MIL-STD 810H -
Max Depth of Water Resistance 100 m 50 m
Max Operating Temperature 55 °C -
Min Operating Temperature -20 °C -
Warranty 2-year warranty -
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