← Compare other watches

Fitbit Inspire 3 vs Garmin D2 Mach 2 Pro

Physical
Case diameter 51 mm
Case thickness 16.5 mm
Weight 90 g
Case material Titanium
Bezel material Titanium
Lens / crystal sapphire crystal
Strap material leather and silicone
Strap width
Colors available
Water resistance 100 m
Military standard
Display
Display type AMOLED
Display diagonal 1.4 mm
Resolution width 454 px
Resolution height 454 px
Touchscreen No No
Always-on display No No
Max brightness
Battery
Smartwatch mode 576 h
GPS-only mode
All-systems GPS mode
Max battery saver mode
Charging type Garmin proprietary plug charger
Solar charging No No
Wireless charging No No
Positioning
GNSS systems
Multi-band / dual-frequency No No
Offline maps No No
Built-in maps No Yes
Turn-by-turn navigation No No
Sensors
Optical heart rate No Yes
ECG No Yes
SpO2 / pulse oximeter Yes Yes
Skin temperature No No
Accelerometer No No
Gyroscope No No
Compass No Yes
Barometric altimeter No Yes
Ambient thermometer No No
Microphone No No
Speaker No No
Connectivity
Bluetooth No No
Wi-Fi No Yes
NFC payments No No
Cellular / LTE No Yes
ANT+ No No
Music storage No No
Third-party apps No No
Satellite communication No Yes
Health & Fitness
Sleep tracking No Yes
Stress tracking No Yes
HRV tracking No Yes
Training load No Yes
Training readiness / recovery No No
VO2 max estimate No Yes
Running dynamics No No
Body battery / energy score No No
Menstrual cycle tracking No Yes
Fall / incident detection No No
Guided workouts No No
Multisport / triathlon mode No Yes
Software
Operating system
Companion app
Voice assistant
Contactless payments No No