Garmin D2 Delta S vs. Garmin Forerunner 745

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Garmin D2 Delta S and Garmin Forerunner 745. 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 Forerunner 745 Comparison Chart
GENERAL Garmin D2 Delta S Garmin Forerunner 745
Product Type Sport watch Sport watch
Supported Host Device OS iOS, Android iOS, Android
Wearing Style Watch style Watch style
Width 42 mm 43.8 mm
Height 42 mm 43.8 mm
Depth 15.4 mm 13.3 mm
Weight 65 g 47 g
Body Material Fibre-reinforced polymer Fibre-reinforced polymer
Protection Waterproof Water-resistant
Clock Display Yes Yes
FEATURES Garmin D2 Delta S Garmin Forerunner 745
Sensors Accelerometer, thermometre, gyro sensor, heart rate, barometric altimeter, 3-axis compass Accelerometer, digital compass, thermometre, gyro sensor, heart rate, barometric altimeter, Pulse Ox sensor
Tracking Data Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, stress level Distance, time, calories burned, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, menstrual cycle, temperature, hydration, recovery time, training load
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 Find phone function, VO2 max, HR zones, VIRB control, Move IQ, Garmin Connect compatible, Find my Device, store & play music, rejecting a call, Garmin Elevate, LiveTrack, TrueUp, Body Battery, auto lap, Physio TrueUp, music playback control, weather information
Notifications SMS, Email Calendar, SMS, Email, social apps, incoming calls
Vibrating Alert Yes Yes
Feedback Type - Vibration alert, visual interface
Navigation (GPS) GPS/GLONASS receiver GPS/GLONASS/Galileo receiver
Payment Technology Garmin Pay Garmin Pay
CONNECTIVITY Garmin D2 Delta S Garmin Forerunner 745
Wireless Interface Bluetooth, Wi-Fi, ANT+ Bluetooth, Wi-Fi, NFC, ANT+
DISPLAY Garmin D2 Delta S Garmin Forerunner 745
Type Memory-in-Pixel LCD - colour - transflective Memory-in-Pixel LCD - colour - transflective
Resolution 240 x 240 pixels 240 x 240 pixels
Screen Size 1.2" 1.2"
Screen Protection Domed sapphire crystal Corning Gorilla Glass DX (scratch resistant glass)
INPUT DEVICE Garmin D2 Delta S Garmin Forerunner 745
Type Touch buttons Touch sensitive screen
CASE Garmin D2 Delta S Garmin Forerunner 745
Case Size 42 mm -
Case Shape Round Round
Bezel Stainless steel Fibre-reinforced polymer
Case Back Metal -
Case Details Rose gold-tone Black | Neo tropic
BAND Garmin D2 Delta S Garmin Forerunner 745
Band Type Band Band
Band Width 20 mm 22 mm
Fits Wrist with Circumference - 126-216 mm
Changeable Yes Yes
Clasp Type Buckle Buckle
Band Material Leather Silicone
Band Colour Beige Black
STORAGE Garmin D2 Delta S Garmin Forerunner 745
Storage Capacity 16 GB -
BATTERY Garmin D2 Delta S Garmin Forerunner 745
Technology Lithium Ion Lithium Ion
Battery Life 7 day(s) 7 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 7 days
GPS mode - up to 16 hour(s)
GPS with Music mode - up to 6 hour(s)
UltraTrac mode - up to 21 hour(s)
Rechargeable Battery Yes -
MISCELLANEOUS Garmin D2 Delta S Garmin Forerunner 745
Included Accessories Charging/data cable, silicone wrist strap (white) USB cable
Preloaded Software Garmin Pay, Garmin Pilot Garmin Pay, Garmion Connect IQ
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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