Apple Watch Series 8 (45mm) vs Samsung Galaxy Watch 8 (40mm) Specs Comparison

Design

Dimensions
1.77 x 1.50 x 0.42 inches 45 x 38 x 10.7 mm	1.57 x 1.59 x 0.34 inches 40 x 40.4 x 8.6 mm
Weight
1.37 oz (38.8 g)	1.06 oz (30.0 g)
Materials
Back: Ceramic Frame: Aluminum	Back: Aluminum
Resistance
Water, Dust; IP6X	Water (up to 5 meters), Dust; IP68; MIL-STD-810 certified
Colors
Midnight, Starlight, Green, Blue, Red

Display

Size
1.9-inch	1.3-inch
Resolution
484x396px, 329 PPI	438x438px, 462 PPI
Technology
OLED	Super AMOLED
Screen-to-body
66.64 %
Peak brightness
1000 cd/m2 (nit)
Features
	Scratch-resistant glass (Sapphire), Ambient light sensor

Hardware

System chip
Apple S8	Exynos W1000 (3 nm)
Processor
Dual-core
GPU
PowerVR
Memory
1GB/32GB	2GB/32GB
Storage expansion
not expandable
OS
watchOS (9.x)	Wear OS

Battery

Type
308 mAh, Li - Ion	325 mAh
Charging
Qi wireless charging

Camera

Connectivity & Features

Bluetooth
5.0	5.3
WLAN
b,g,n	a,b,g,n,ac
Sensors
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen	Accelerometer, Gyroscope, Pedometer, Compass, Heart rate, Thermometer, Barometer, Step detector, ECG, Blood Oxygen
Location
A-GPS, Glonass, Galileo, BeiDou, QZSS	Glonass, Galileo, BeiDou
Other
NFC	NFC

Multimedia

Speakers
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	LTE
SIM type
eSIM	eSIM

Buyers information

MSRP
	$ 350

Availability

Officially announced
Sep 07, 2022	Jul 09, 2025
Scheduled release
	(Official) Jul 25, 2025

Alternative variants

GPS Only

With stainless steel frame

Weight	1.82 oz (51.5 g)
Materials	Frame: Stainless steel

Links

Full specifications
Apple Watch Series 8 (45mm) Specs	Samsung Galaxy Watch 8 (40mm) Specs