Garmin Forerunner 45S vs. Garmin Approach G12

Smartwatch Comparison, Reviews and Tests

Side by side comparison and review of Garmin Forerunner 45S and Garmin Approach G12. 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 G12 Comparison Chart
GENERAL Garmin Forerunner 45S Garmin Approach G12
Product Type Sport watch Sport watch
Supported Host Device OS iOS, Android iOS, Android
Activity/Sport - Golf
Wearing Style Watch style Clothing
Width 39.5 mm 45.8 mm
Height 39.5 mm 51.3 mm
Depth 11.4 mm 12.4 mm
Weight 32 g 25.1 g
Protection Waterproof -
Clock Display Yes -
FEATURES Garmin Forerunner 45S Garmin Approach G12
Sensors Accelerometer, heart rate Odometer
Tracking Data Distance, time, speed, calories burned, sleep activity, heart rate, stress level Distance, golf shot distance, stroke data
Goal Setting Yes -
Features Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device Sunlight readable, Bluetooth Smart technology
Notifications Calendar, Email, social apps -
Vibrating Alert Yes -
CONNECTIVITY Garmin Forerunner 45S Garmin Approach G12
Wireless Interface Bluetooth, ANT+ Bluetooth
DISPLAY Garmin Forerunner 45S Garmin Approach G12
Type Memory-in-Pixel LCD - colour - transflective Monochrome
Resolution 208 x 208 pixels 175 x 175 pixels
Screen Size 1.04" -
Dimensions (WxH) - 23 mm x 23 mm
INPUT DEVICE Garmin Forerunner 45S Garmin Approach G12
Type - Push buttons
CASE Garmin Forerunner 45S Garmin Approach G12
Case Shape Round Circular
Case Details White | Iris | Black -
BAND Garmin Forerunner 45S Garmin Approach G12
Band Type Band -
Band Size S -
Fits Wrist with Circumference 124-185 mm -
Changeable Yes -
Clasp Type Buckle -
Band Material Silicone -
Band Colour White | Iris | Black -
BATTERY Garmin Forerunner 45S Garmin Approach G12
Technology - Lithium Ion
Battery Life - 30 hours
Battery Life Details GPS mode - up to 13 hour(s)
Smartwatch mode - up to 7 days
GPS mode - up to 30 hour(s)
Rechargeable Battery - Yes
MISCELLANEOUS Garmin Forerunner 45S Garmin Approach G12
Included Accessories Charging/data cable Charging/data cable
Compliant Standards - IEC 60529 IPX7
Max Depth of Water Resistance 50 m -
Max Operating Temperature - 60 °C
Min Operating Temperature - -20 °C
Warranty - 1-year warranty
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