Garmin Forerunner 45S vs. Garmin Approach S42

Smartwatch Comparison, Reviews and Tests

Side by side comparison and review of Garmin Forerunner 45S and Garmin Approach S42. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.

Smartwatch Specifications Comparison

Garmin Forerunner 45S vs. Garmin Approach S42 Comparison Chart
GENERAL Garmin Forerunner 45S Garmin Approach S42
Product Type Sport watch Sport watch
Supported Host Device OS iOS, Android iOS, Android
Activity/Sport - Golf
Wearing Style Watch style Watch style
Width 39.5 mm 43.4 mm
Height 39.5 mm 43.4 mm
Depth 11.4 mm 11.7 mm
Weight 32 g 43 g
Protection Waterproof Waterproof
Clock Display Yes Yes
FEATURES Garmin Forerunner 45S Garmin Approach S42
Sensors Accelerometer, heart rate Accelerometer, gyro sensor
Tracking Data Distance, time, speed, calories burned, sleep activity, heart rate, stress level Distance, time, calories burned, activity, sleep activity, steps taken
Goal Setting Yes Yes
Features Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device Find phone function, sunlight readable, Bluetooth Smart technology, inactivity alert, Garmin Connect compatible, Find my Device, TrueUp, Garmin AutoShot, TruSwing, weather information, 42000+ preloaded courses
Notifications Calendar, Email, social apps Calendar, incoming calls, applications
Vibrating Alert Yes Yes
Feedback Type - Vibration alert, visual interface
Navigation (GPS) - GPS receiver
CONNECTIVITY Garmin Forerunner 45S Garmin Approach S42
Wireless Interface Bluetooth, ANT+ Bluetooth
DISPLAY Garmin Forerunner 45S Garmin Approach S42
Type Memory-in-Pixel LCD - colour - transflective Memory-in-Pixel LCD - colour
Resolution 208 x 208 pixels 240 x 240 pixels
Screen Size 1.04" 1.2"
INPUT DEVICE Garmin Forerunner 45S Garmin Approach S42
Type - Touch sensitive screen
CASE Garmin Forerunner 45S Garmin Approach S42
Case Shape Round Round
Bezel - Metal
Case Details White | Iris | Black Gunmetal | Polished silver | Rose gold
BAND Garmin Forerunner 45S Garmin Approach S42
Band Type Band Band
Band Size S -
Fits Wrist with Circumference 124-185 mm 125-202 mm
Changeable Yes Yes
Clasp Type Buckle Buckle
Band Material Silicone Silicone
Band Colour White | Iris | Black Black | White | Light sand
STORAGE Garmin Forerunner 45S Garmin Approach S42
Storage Capacity - 64 MB
BATTERY Garmin Forerunner 45S Garmin Approach S42
Technology - Lithium Ion
Battery Life - 10 day(s)
Battery Life Details GPS mode - up to 13 hour(s)
Smartwatch mode - up to 7 days
Smartwatch mode - up to 10 days
GPS mode - up to 15 hours
Rechargeable Battery - Yes
MISCELLANEOUS Garmin Forerunner 45S Garmin Approach S42
Included Accessories Charging/data cable Charging/data cable
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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