OnePlus Watch 3 (43mm) vs Samsung Galaxy Watch 8 (40mm) Specs Comparison

Availability

Officially announced
Jul 08, 2025	Jul 09, 2025
Scheduled release
	(Official) Jul 25, 2025
Prices (MSRP)
$300	$350

Design

Dimensions
1.70 x 1.70 x 0.43 inches 43.2 x 43.2 x 11 mm	1.57 x 1.59 x 0.34 inches 40 x 40.4 x 8.6 mm
Weight
1.33 oz (37.8 g)	1.06 oz (30.0 g)
Materials
Back: Plastic Frame: Stainless steel	Back: Aluminum
Resistance
50m/5ATM water resistance; IP68; MIL-STD-810 certified	Water (up to 5 meters), Dust; IP68; MIL-STD-810 certified
Colors
Black Steel, Silver Steel

Display

Size
1.3-inch	1.3-inch
Type
AMOLED, 1000 nits	Super AMOLED
Resolution
466x466px, 499 PPI	438x438px, 462 PPI
Protection
Sapphire	Sapphire

Hardware

System chip
Snapdragon W5 Gen 1 (4 nm)	Exynos W1000 (3 nm)
Processor
Quad-core 1.7GHz Cortex-A53
GPU
Adreno 702
Memory
2GB/32GB	2GB/32GB
Storage expansion
not expandable
OS
Wear OS	Wear OS

Battery

Type
345 mAh	325 mAh
Charge speed
Wired: 7.5W

Camera

Connectivity & Features

Bluetooth
5.2	5.3
WLAN
a,b,g,n 802.11 a, b, g, n	a,b,g,n,ac 802.11 a, b, g, n, ac
Sensors
Accelerometer, Gyroscope, Compass, Heart rate, Blood Oxygen, Ambient light sensor	Accelerometer, Gyroscope, Pedometer, Compass, Heart rate, Thermometer, Barometer, Step detector, ECG, Blood Oxygen, Ambient light sensor
Location
GPS, Glonass, Galileo, BeiDou, QZSS	Glonass, Galileo, BeiDou
Other
NFC	NFC

Multimedia

Speakers
Loudspeaker

Cellular

Data Speed
	LTE
SIM type
	eSIM

Links

Full specifications
OnePlus Watch 3 (43mm) Specs	Samsung Galaxy Watch 8 (40mm) Specs
PhoneArena Review
OnePlus Watch 3 (43mm) Review