Apple Watch Series 9 (45mm) vs OnePlus Watch 3 Specs Comparison

Availability

Officially announced
Sep 12, 2023	Feb 18, 2025
MSRP
	$ 329

Design

Dimensions
1.61 x 1.38 x 0.42 inches 41 x 35 x 10.7 mm	1.87 x 1.83 x 0.46 inches 47.6 x 46.6 x 11.8 mm
Weight
1.82 oz (51.5 g)	1.75 oz (49.7 g)
Materials
Back: Ceramic Frame: Aluminum	Back: Plastic Frame: Stainless steel
Resistance
Water, Dust; IP6X	50m/5ATM water resistance; IP68; MIL-STD-810 certified
Colors
Midnight, Starlight, Green, Blue, Red	Black titanium, Silver titanium

Display

Size
1.7-inch, 63.01% screen-to-body	1.5-inch
Type
OLED, 1000 nits	AMOLED, 2200 nits
Resolution
430x352px, 329 PPI	466x466px, 439 PPI
Protection
	Sapphire

Hardware

System chip
Apple S9	Snapdragon W5 Gen 1 (4 nm)
Processor
Dual-core	Quad-core 1.7GHz Cortex-A53
GPU
PowerVR	Adreno 702
Memory
1GB/64GB	2GB/32GB
Storage expansion
not expandable	not expandable
OS
watchOS (10.x)	Wear OS

Battery

Type
308 mAh, Li - Ion	648 mAh
Charging
Qi wireless charging
Charge speed
	Wired: 7.5W

Camera

Connectivity & Features

Bluetooth
Yes	5.2
WLAN
b,g,n 802.11 b, g, n	a,b,g,n 802.11 a, b, g, n
Sensors
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen	Accelerometer, Gyroscope, Compass, Heart rate, Blood Oxygen, Ambient light sensor
Location
A-GPS, Glonass, Galileo, BeiDou, QZSS	GPS, Glonass, Galileo, BeiDou, QZSS
Other
NFC, Ultra Wideband (UWB)	NFC

Multimedia

Speakers
Loudspeaker	Loudspeaker
Additional microphone(s)
Yes

Cellular

4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 66(AWS-3)
4G (TDD)
Bands 39, 40, 41
3G
Bands 1, 2, 4, 5
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM

Links

Full specifications
Apple Watch Series 9 (45mm) Specs	OnePlus Watch 3 Specs
PhoneArena Review
Apple Watch Series 9 (45mm) Review