Samsung Galaxy Watch 7 (40mm) vs Samsung Galaxy Watch 8 (40mm) Specs Comparison

Availability

Officially announced
	Jul 09, 2025
MSRP
	$ 350
Scheduled release
	(Official) Jul 25, 2025

Design

Dimensions
1.59 x 1.59 x 0.38 inches 40.4 x 40.4 x 9.7mm	1.57 x 1.59 x 0.34 inches 40 x 40.4 x 8.6 mm
Weight
1.02 oz (28.8 g)	1.06 oz (30.0 g)
Materials
Back: Aluminum	Back: Aluminum
Resistance
Water (up to 5 meters), Dust; IP68; MIL-STD-810 certified	Water (up to 5 meters), Dust; IP68; MIL-STD-810 certified

Display

Size
1.3-inch	1.3-inch
Type
Super AMOLED	Super AMOLED
Resolution
432x432px, 470 PPI	438x438px, 462 PPI
Protection
Sapphire	Sapphire
Features
Scratch-resistant glass, Ambient light sensor

Hardware

System chip
Exynos W1000 (3 nm)	Exynos W1000 (3 nm)
Memory
2GB/32GB	2GB/32GB
OS
Wear OS	Wear OS

Battery

Type
300 mAh	325 mAh

Camera

Connectivity & Features

Bluetooth
5.3	5.3
WLAN
a,b,g,n,ac 802.11 a, b, g, n, ac	a,b,g,n,ac 802.11 a, b, g, n, ac
Sensors
Accelerometer, Gyroscope, Pedometer, Compass, Heart rate, Thermometer, Barometer, Step detector, ECG, Blood Oxygen, Ambient light sensor	Accelerometer, Gyroscope, Pedometer, Compass, Heart rate, Thermometer, Barometer, Step detector, ECG, Blood Oxygen, Ambient light sensor
Location
Glonass, Galileo, BeiDou	Glonass, Galileo, BeiDou
Other
NFC	NFC

Cellular

Data Speed
LTE	LTE
SIM type
eSIM	eSIM

Links

Full specifications
Samsung Galaxy Watch 7 (40mm) Specs	Samsung Galaxy Watch 8 (40mm) Specs
PhoneArena Review
Samsung Galaxy Watch 7 (40mm) Review