Garmin Forerunner 45S vs. Garmin Approach S12

Smartwatch Comparison, Reviews and Tests

Detailed comparison and review of Garmin Forerunner 45S and Garmin Approach S12. 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

Garmin Forerunner 45S vs. Garmin Approach S12 Comparison Chart
GENERAL Garmin Forerunner 45S Garmin Approach S12
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 43.7 mm
Height 39.5 mm 43.7 mm
Depth 11.4 mm 11.5 mm
Weight 32 g 34.1 g
Protection Waterproof Waterproof
Clock Display Yes Yes
FEATURES Garmin Forerunner 45S Garmin Approach S12
Sensors Accelerometer, heart rate Accelerometer
Tracking Data Distance, time, speed, calories burned, sleep activity, heart rate, stress level Distance, time, activity, steps taken, golf shot distance
Goal Setting Yes Yes
Features Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device Sunlight readable, Bluetooth Smart technology, 42000+ preloaded courses
Notifications Calendar, Email, social apps -
Vibrating Alert Yes -
Feedback Type - Vibration alert, visual interface
Navigation (GPS) - GPS receiver
CONNECTIVITY Garmin Forerunner 45S Garmin Approach S12
Wireless Interface Bluetooth, ANT+ Bluetooth
DISPLAY Garmin Forerunner 45S Garmin Approach S12
Type Memory-in-Pixel LCD - colour - transflective Memory-in-Pixel LCD - monochrome
Resolution 208 x 208 pixels 176 x 176 pixels
Screen Size 1.04" -
Dimensions (WxH) - 23 mm x 23 mm
CASE Garmin Forerunner 45S Garmin Approach S12
Case Shape Round Round
Case Details White | Iris | Black Slate grey | Black | White | Granite blue
BAND Garmin Forerunner 45S Garmin Approach S12
Band Type Band Strap
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 Slate grey
STORAGE Garmin Forerunner 45S Garmin Approach S12
Storage Capacity - 125 MB
BATTERY Garmin Forerunner 45S Garmin Approach S12
Technology - Lithium Ion
Battery Life - 70 day(s)
Battery Life Details GPS mode - up to 13 hour(s)
Smartwatch mode - up to 7 days
Smartwatch mode - up to 70 days
GPS mode - up to 30 hour(s)
Rechargeable Battery - Yes
MISCELLANEOUS Garmin Forerunner 45S Garmin Approach S12
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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