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Samsung Galaxy Watch 9 (44mm) vs Samsung Galaxy Watch 3 4G (45mm)

Samsung Galaxy Watch 9 (44mm) vs Samsung Galaxy Watch 3 4G (45mm) comparison

Show Only Differences Highlight Differences	Samsung Galaxy Watch 9 (44mm)	Samsung Galaxy Watch 3 4G (45mm)
key specs
Strap Colour	Green, Black	-
Display Size	44mm	45mm
Compatible OS	Android	Android, iOS
Strap Material	Silicone	Leather
Dial Shape	Square	Round
Display Type	Super AMOLED	Super AMOLED
Ideal For	Unisex	-
general
Brand	Samsung	Samsung
Model	Galaxy Watch 9 (44mm)	Galaxy Watch 3 4G (45mm)
Release date	July 22, 2026	August 5, 2020
Model Name	Galaxy Watch 9	Galaxy Watch 3 4G (45mm)
Dial Colour	Green	Mystic Black, Mystic Bronze, Mystic Silver
Dial Shape	Square	Round
Strap Colour	Green, Black	-
Strap Material	Silicone	Leather
Size	Regular	-
Touchscreen	1.47-inch Super AMOLED	Yes
Interchangeable Strap	Yes	-
Water Resistant	5ATM	5ATM + IP68
Ideal For	Unisex	-
Water Resistance Depth	-	50
Dial Material	-	Stainless Steel, Titanium
dimensions
Diameter	44mm	-
Width	-	45
Height	-	46.2
Thickness	-	11.1
Weight (g)	-	53.80
product details
Sensor	Optical heart rate sensor, an electrical heart signal sensor, bioelectrical impedance analysis sensor, temperature sensor, accelerometer, barometer, gyroscope, geomagnetic sensor, and ambient light sensor	Accelerometer, Barometer, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical Heart Sensor
Compatible Device	Android 13 and newer versions	Android 5.0 or later and with more than 1.5GB of RAM, iPhone 5 or later models with iOS 9.0 or later
Battery Type	445mAh	-
Notification	-	Yes
Charger Type	-	Wireless
Rechargeable Battery	-	Yes
connectivity features
Call Function	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth Version	6.0	5.0
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Messaging Support	Yes	-
Email Support	Yes	-
Other Connectivity Features	-	LTE, Wi-Fi b/g/n, NFC, Glonass, Beidou, Galileo
platform and storage features
Operating System	OneUI 9 Watch	Tizen based Wearable OS 5.5
Compatible Operating System	Android	Android, iOS
RAM	2GB	1MB
Processor Name	Snapdragon Wear Elite	Exynos 9110
Internal Memory	32GB	8GB
Number of Cores	-	dual-core
camera and display features
Display Resolution	480x480	360 x 360
Display Size	44mm	45mm
Display Type	Super AMOLED	Super AMOLED
Scratch Resistant	-	Corning Gorilla Glass DX
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	-
Heart Rate Monitor	Yes	Yes
Altimeter	Yes	-
Compass	Yes	-
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Chronograph	Yes	-
Date & Time Display	Yes	Yes
Number of Buttons	2	2
ratings
Overall NDTV Rating	-	Read Review
Design and comfort Rating	-
Tracking accuracy Rating	-
Companion app Rating	-
Software and ecosystem Rating	-
Battery life Rating	-
audio and video features
Speaker	-	Yes
Gesture Control	-	Yes
Microphone	-	Yes

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