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Samsung Samsung Galaxy Watch 7 vs Samsung Galaxy Watch 3 4G (45mm)

Samsung Samsung Galaxy Watch 7 vs Samsung Galaxy Watch 3 4G (45mm) comparison

Show Only Differences Highlight Differences	Samsung Samsung Galaxy Watch 7	Samsung Galaxy Watch 3 4G (45mm)
key specs
Strap Colour	Cream, Green	-
Display Size	40mm	45mm
Strap Material	Silicone	Leather
Dial Shape	Round	Round
Display Type	Super AMOLED	Super AMOLED
Ideal For	Unisex	-
Compatible OS	-	Android, iOS
general
Brand	Samsung	Samsung
Model	Galaxy Watch 7	Galaxy Watch 3 4G (45mm)
Release date	July 10, 2024	August 5, 2020
Model Number	SM-L315FZGA	-
Model Name	Galaxy Watch	Galaxy Watch 3 4G (45mm)
Dial Shape	Round	Round
Strap Colour	Cream, Green	-
Strap Material	Silicone	Leather
Size	Regular	-
Touchscreen	Yes	Yes
Interchangeable Strap	Yes	-
Water Resistant	5 ATM	5ATM + IP68
Water Resistance Depth	IP68	50
Usage	Regular	-
Ideal For	Unisex	-
Dial Material	-	Stainless Steel, Titanium
Dial Colour	-	Mystic Black, Mystic Bronze, Mystic Silver
dimensions
Width	40.4	45
Height	40.4	46.2
Thickness	9.7	11.1
Diameter	40	-
Weight (g)	28.80	53.80
product details
Sensor	Samsung BioActive Sensor (Optical Bio-signal sensor + Electrical Heart Signal + Bioelectrical Impedance Analysis), Temperature Sensor, Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor	Accelerometer, Barometer, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical Heart Sensor
Compatible Device	Android 11 or higher and with more than 1.5GB of memory	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	300mAh	-
Rechargeable Battery	Yes	Yes
Notification	-	Yes
Charger Type	-	Wireless
connectivity features
Call Function	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth Version	5.3	5.0
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Messaging Support	Yes	-
Other Connectivity Features	-	LTE, Wi-Fi b/g/n, NFC, Glonass, Beidou, Galileo
platform and storage features
Operating System	Watch OS	Tizen based Wearable OS 5.5
RAM	2GB	1MB
Processor Name	Exynos W1000	Exynos 9110
Internal Memory	32GB	8GB
Compatible Operating System	-	Android, iOS
Number of Cores	-	dual-core
camera and display features
Display Resolution	432x432	360 x 360
Display Size	40mm	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
Compass	Yes	-
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Other Fitness Features	Novo FDA-authorised Sleep Apnea tracking, AFib, SpO2, Menstrual cycle monitoring	-
Number of Buttons	-	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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