Garmin D2 Delta S vs. Garmin fēnix 7 Sapphire Solar

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Garmin D2 Delta S and Garmin fēnix 7 Sapphire Solar. 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 fēnix 7 Sapphire Solar Comparison Chart
GENERAL Garmin D2 Delta S Garmin fēnix 7 Sapphire Solar
Product Type Sport watch Sport watch
Supported Host Device OS iOS, Android iOS, Android
Activity/Sport - Multisport
Wearing Style Watch style Watch style
Width 42 mm -
Height 42 mm -
Depth 15.4 mm -
Weight 65 g -
Body Details - With silicone band: 73 g
Case only: 50 g
Body Material Fibre-reinforced polymer Titanium, fibre-reinforced polymer
Protection Waterproof Water-resistant
Clock Display Yes Yes
FEATURES Garmin D2 Delta S Garmin fēnix 7 Sapphire Solar
Sensors Accelerometer, thermometre, gyro sensor, heart rate, barometric altimeter, 3-axis compass Accelerometer, thermometre, gyro sensor, barometric altimeter, electromagnetic compass, optical heart sensor, Pulse Ox sensor
Tracking Data Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, stress level Distance, speed, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, pace, stress level, respiratory rate, active time, water balance, temperature
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 Music remote handling, find phone function, VIRB control, inactivity alert, Move IQ, Find my Device, Downloadable workouts, store & play music, rejecting a call, LiveTrack, Physio TrueUp, PacePro pace guidance, solar charging, animated workouts, weather information, dual grid coordinates format, Body Battery Energy Monitor
Notifications SMS, Email Calendar, SMS, Email, social apps, incoming calls, high and low heart rate
Vibrating Alert Yes Yes
Feedback Type - Audio alert, 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 fēnix 7 Sapphire Solar
Wireless Interface Bluetooth, Wi-Fi, ANT+ Bluetooth, Wi-Fi, ANT+
DISPLAY Garmin D2 Delta S Garmin fēnix 7 Sapphire Solar
Type Memory-in-Pixel LCD - colour - transflective Memory-in-Pixel LCD - colour - transflective
Resolution 240 x 240 pixels 260 x 260 pixels
Screen Size 1.2" 1.3"
Screen Protection Domed sapphire crystal Power Sapphire
INPUT DEVICE Garmin D2 Delta S Garmin fēnix 7 Sapphire Solar
Type Touch buttons Touch sensitive screen, push buttons
CASE Garmin D2 Delta S Garmin fēnix 7 Sapphire Solar
Case Size 42 mm 47 mm
Case Shape Round Round
Bezel Stainless steel Titanium
Case Back Metal Metal
Case Details Rose gold-tone Titanium carbon grey DLC | Mineral blue titanium | Titanium | Titanium black DLC
BAND Garmin D2 Delta S Garmin fēnix 7 Sapphire Solar
Band Type Band Vented bracelet
Band Width 20 mm 22 mm
Fits Wrist with Circumference - 132-215 mm
Changeable Yes Yes
Clasp Type Buckle Butterfly
Band Material Leather Titanium
Band Colour Beige Titanium carbon grey DLC | Black | Whitestone | Chestnut
STORAGE Garmin D2 Delta S Garmin fēnix 7 Sapphire Solar
Storage Capacity 16 GB 32 GB
BATTERY Garmin D2 Delta S Garmin fēnix 7 Sapphire Solar
Technology Lithium Ion Lithium Ion
Battery Life 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 18 days
Smartwatch mode (with solar) - up to 22 days
Battery Saver Watch Mode - up to 57 days
Battery Saver Watch Mode (with solar) - up to 173 days
GPS mode - up to 57 hour(s)
GPS mode (with solar) - up to 73 hour(s)
All satellite systems mode - up to 40 hours
All satellite systems mode (with solar) - up to 48 hours
All satellite systems with music mode - up to 10 hour(s)
Max Battery GPS Mode - up to 136 hour(s)
Max Battery GPS Mode (with solar) - up to 289 hour(s)
Expedition GPS Mode - up to 40 days
Expedition GPS Mode (with solar) - up to 74 days
Rechargeable Battery Yes Yes
MISCELLANEOUS Garmin D2 Delta S Garmin fēnix 7 Sapphire Solar
Included Accessories Charging/data cable, silicone wrist strap (white) Silicon wristband, charging/data cable
Preloaded Software Garmin Pay, Garmin Pilot -
SAR Value - 0.3 W/kg (body), 0.3 W/kg (limb)
Max Depth of Water Resistance 100 m 100 m
Max Operating Temperature - 45 °C
Min Operating Temperature - -20 °C
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