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Samsung Galaxy Watch 9 (40mm) vs Samsung Samsung Galaxy Watch 7 comparison

 Compare Samsung Galaxy Watch 9 (40mm)
Samsung Galaxy Watch 9 (40mm)
Compare Samsung Samsung Galaxy Watch 7
Samsung Samsung Galaxy Watch 7
key specs
Strap ColourBlackCream, Green
Display Size40mm40mm
Compatible OSAndroid-
Strap MaterialSiliconeSilicone
Dial ShapeSquareRound
Display TypeSuper AMOLEDSuper AMOLED
Ideal ForUnisexUnisex
general
BrandSamsungSamsung
ModelGalaxy Watch 9 (40mm)Galaxy Watch 7
Release dateJuly 22, 2026July 10, 2024
Model NameGalaxy Watch 9Galaxy Watch
Dial ColourBlack-
Dial ShapeSquareRound
Strap ColourBlackCream, Green
Strap MaterialSiliconeSilicone
SizeRegularRegular
Touchscreen1.34-inch Super AMOLEDYes
Interchangeable StrapYesYes
Water Resistant5ATM5 ATM
Ideal ForUnisexUnisex
Model Number-SM-L315FZGA
Water Resistance Depth-IP68
Usage-Regular
dimensions
Width42.7mm40.4
Height40.4mm40.4
Thickness8.6mm9.7
Diameter40mm40
Weight (g)31.5028.80
product details
SensorOptical heart rate sensor, an electrical heart signal sensor, bioelectrical impedance analysis sensor, temperature sensor, accelerometer, barometer, gyroscope, geomagnetic sensor, and ambient light sensorSamsung BioActive Sensor (Optical Bio-signal sensor + Electrical Heart Signal + Bioelectrical Impedance Analysis), Temperature Sensor, Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor
Compatible DeviceAndroid 13 and newer versionsAndroid 11 or higher and with more than 1.5GB of memory
Battery Type390mAh300mAh
Rechargeable Battery-Yes
connectivity features
Call FunctionYesYes
BluetoothYesYes
Bluetooth Version6.05.3
Wi-FiYesYes
GPS-Yes
Messaging Support-Yes
platform and storage features
Operating SystemOneUI 9 WatchWatch OS
Compatible Operating SystemAndroid-
RAM2GB2GB
Processor NameSnapdragon Wear EliteExynos W1000
Internal Memory32GB32GB
camera and display features
Display Resolution438x438432x432
Display Size40mm40mm
Display TypeSuper AMOLEDSuper AMOLED
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
AltimeterYes-
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
ChronographYes-
Date & Time DisplayYesYes
Number of Buttons2-
Other Fitness Features-Novo FDA-authorised Sleep Apnea tracking, AFib, SpO2, Menstrual cycle monitoring
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