Garmin D2 Delta S vs. Garmin Approach S20

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Garmin D2 Delta S 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

Garmin D2 Delta S vs. Garmin Approach S20 Comparison Chart
GENERAL Garmin D2 Delta S Garmin Approach S20
Product Type Sport watch Sport watch
Supported Host Device OS iOS, Android iOS, Android
Activity/Sport - Golf
Wearing Style Watch style Watch style
Width 42 mm -
Height 42 mm -
Depth 15.4 mm -
Weight 65 g -
Body Details - Sensor: 13 mm x 27 mm 9 g
Body Material Fibre-reinforced polymer -
Protection Waterproof Waterproof
Clock Display Yes Yes
FEATURES Garmin D2 Delta S Garmin Approach S20
Sensors Accelerometer, thermometre, gyro sensor, heart rate, barometric altimeter, 3-axis compass Accelerometer
Tracking Data Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, stress level Distance, time, calories burned, activity, heart rate, steps taken
Goal Setting Yes Yes
Features Music remote handling, HRmax, camera remote control, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device, store & play music, Garmin Elevate, TrueUp Sunlight readable, Garmin Connect compatible, TrueUp, Garmin AutoShot, TruSwing
Notifications SMS, Email Applications
Vibrating Alert Yes -
Navigation (GPS) GPS/GLONASS receiver GPS receiver
Payment Technology Garmin Pay -
CONNECTIVITY Garmin D2 Delta S Garmin Approach S20
Wireless Interface Bluetooth, Wi-Fi, ANT+ Bluetooth, ANT+
DISPLAY Garmin D2 Delta S Garmin Approach S20
Type Memory-in-Pixel LCD - colour - transflective Memory-in-Pixel LCD - monochrome
Resolution 240 x 240 pixels 128 x 128 pixels
Screen Size 1.2" -
Dimensions (WxH) - 23 mm x 23 mm
Screen Protection Domed sapphire crystal -
INPUT DEVICE Garmin D2 Delta S Garmin Approach S20
Type Touch buttons Single push-button
CASE Garmin D2 Delta S Garmin Approach S20
Case Size 42 mm -
Crystal Type - Chemically strengthened glass
Case Shape Round Rounded square
Bezel Stainless steel -
Case Back Metal -
Case Details Rose gold-tone -
BAND Garmin D2 Delta S Garmin Approach S20
Band Type Band Strap
Band Width 20 mm -
Changeable Yes -
Clasp Type Buckle Buckle
Band Material Leather Silicone
Band Colour Beige Black
STORAGE Garmin D2 Delta S Garmin Approach S20
Storage Capacity 16 GB 64 MB
BATTERY Garmin D2 Delta S Garmin Approach S20
Technology Lithium Ion Lithium Ion
Battery Life 7 day(s) 56 day(s)
Battery Life Details Smartwatch mode - up to 7 days
GPS mode - up to 11 hour(s)
GPS with Music mode - up to 4.5 hour(s)
UltraTrac mode - up to 25 hour(s)
Smartwatch mode - up to 56 days
GPS mode - up to 15 hours
Rechargeable Battery Yes Yes
MISCELLANEOUS Garmin D2 Delta S Garmin Approach S20
Included Accessories Charging/data cable, silicone wrist strap (white) Charging/data cable
Preloaded Software Garmin Pay, Garmin Pilot Calendar, Time, Alarm Clock
Max Depth of Water Resistance 100 m 50 m
Max Operating Temperature - 60 °C
Min Operating Temperature - -20 °C
Warranty - 1-year warranty
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