In depth comparison and review of Garmin D2 Delta S and Fitbit Sense. 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.
| GENERAL | Garmin D2 Delta S | Fitbit Sense |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | Android 7.0 (Nougat) or later, iOS 12.2 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 42 mm | 40.38 mm |
| Height | 42 mm | 40.38 mm |
| Depth | 15.4 mm | 12.45 mm |
| Weight | 65 g | - |
| Body Material | Fibre-reinforced polymer | Stainless steel, aluminium |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin D2 Delta S | Fitbit Sense |
|---|
| Sensors | Accelerometer, thermometre, gyro sensor, heart rate, barometric altimeter, 3-axis compass | Ambient light sensor, altimeter, gyro sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, stress level | Distance, calories burned, activity, sleep activity, heart rate, steps taken, skin temperature, sleep stages, stress level, menstrual cycle, ECG |
| 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, HR zones, breathing training function |
| Notifications | SMS, Email | Missed calls, calendar, SMS, social apps |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS receiver | GPS/GLONASS receiver |
| Payment Technology | Garmin Pay | FitBit Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Google Assistant, Alexa |
| CONNECTIVITY | Garmin D2 Delta S | Fitbit Sense |
|---|
| Wireless Interface | Bluetooth, Wi-Fi, ANT+ | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Garmin D2 Delta S | Fitbit Sense |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | - |
| Screen Size | 1.2" | - |
| Screen Protection | Domed sapphire crystal | Corning Gorilla Glass 3 (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin D2 Delta S | Fitbit Sense |
|---|
| Type | Touch buttons | Touch sensitive screen |
|---|
| CASE | Garmin D2 Delta S | Fitbit Sense |
|---|
| Case Size | 42 mm | - |
|---|---|---|
| Case Shape | Round | Square |
| Bezel | Stainless steel | - |
| Case Back | Metal | - |
| Case Details | Rose gold-tone | Silver stainless steel | Graphite stainless steel | Soft gold stainless steel |
| BAND | Garmin D2 Delta S | Fitbit Sense |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | - | S/L |
| Band Width | 20 mm | - |
| Fits Wrist with Circumference | - | 140-220 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Leather | Silicone |
| Band Colour | Beige | Sage grey | Carbon | Lunar white |
| STORAGE | Garmin D2 Delta S | Fitbit Sense |
|---|
| Storage Capacity | 16 GB | - |
|---|
| BATTERY | Garmin D2 Delta S | Fitbit Sense |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Life | 7 day(s) | 6 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) |
Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
| Rechargeable Battery | Yes | Yes |
| MISCELLANEOUS | Garmin D2 Delta S | Fitbit Sense |
|---|
| Included Accessories | Charging/data cable, silicone wrist strap (white) | Charging cable, 2 wristbands (S+L) |
|---|---|---|
| Preloaded Software | Garmin Pay, Garmin Pilot | FitBit Pay |
| Max Depth of Water Resistance | 100 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
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