Garmin D2 Mach 2 vs Fire-Boltt Ninja comparison

Show Only Differences Highlight Differences	Garmin D2 Mach 2	Fire-Boltt Ninja
key specs
Display Size	35mm	33mm
Dial Shape	Round	Rectangle
Ideal For	Unisex	Unisex
Strap Colour	-	Black
Compatible OS	-	Android, iOS
Strap Material	-	Silicone
general
Brand	Garmin	Fire-Boltt
Model	D2 Mach 2	Ninja
Release date	October 22, 2025	August 4, 2021
Model Name	Garmin D2 Mach 2	Ninja touch to Wake SpO2
Dial Colour	Black	Black
Dial Shape	Round	Rectangle
Water Resistant	10 ATM	Yes
Ideal For	Unisex	Unisex
Model Number	-	BSW007
Strap Material	-	Silicone
Size	-	Regular
Touchscreen	-	Yes
Water Resistance Depth	-	1m
Dial Material	-	Metal
Strap Colour	-	Black
dimensions
Width	47	41
Height	47	34
Thickness	13.8	10
Weight (g)	73.00	80.00
Diameter	-	33
product details
Talk time	14	-
Sensor	-	Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor, Blood Pressure Monitor
Compatible Device	-	Android, iPhone
Notification	-	Yes
Battery Type	-	Li-ion
Battery Life	-	5 days
Charge Time	-	120 minutes
Stand By Time	-	15 days
Rechargeable Battery	-	Yes
connectivity features
Call Function	Yes	No
Bluetooth	Yes	Bluetooth
Wi-Fi	Yes	-
GPS	Yes	-
Third Party App Support	Yes	Limited
Call Features	Yes	-
Other Connectivity Features	Glonass, Galileo, Beidou, QZSS	-
Bluetooth Version	-	5.0
Messaging Support	-	Yes
Operating Range	-	10m
camera and display features
Display Resolution	454 x 454	240x240
Display Size	35mm	33mm
Backlight Display	-	Yes
Scratch Resistant	-	Yes
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Compass	Yes	-
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	English
Chronograph	-	No
Other Fitness Features	-	7 sports modes
platform and storage features
Compatible Operating System	-	Android, iOS

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