Apple Watch Series 4 (40mm) vs Samsung Galaxy Watch 4 (40mm) Specs Comparison

Availability

Officially announced
	Aug 11, 2021

Design

Dimensions
1.57 x 1.34 x 0.42 inches 40.0 x 34.0 x 10.7 mm
Weight
1.06 oz / 30.1 g
Materials
Frame: Aluminum
Materials & Colors
	Black, Silver, Green, Gold
Resistance
Water	Water (up to 50 meters), Dust; IP68; MIL-STD-810 certified
Colors
Silver, Black

Display

Size
1.6-inch, 57.48% screen-to-body	1.2-inch
Type
OLED, 1000 nits	Super AMOLED
Resolution
394x324px, 325 PPI	450x450px, 530 PPI
Protection
Sapphire	Corning Gorilla Glass DX+
Features
Pressure-sensitive, Scratch-resistant glass, Ambient light sensor

Hardware

System chip
Apple S4 (7 nm)	Exynos W920 (5 nm)
Processor
Dual-core
GPU
Apple G11M
Memory
1GB/16GB	1.5GB/16GB
Storage expansion
not expandable
OS
watchOS (9.x, 8.x, 7.x, 6.x, 5)	Wear OS

Battery

Type
225 mAh	247 mAh, Li - Ion
Charging
Magnetic charging	Qi wireless charging

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
b,g,n 802.11 b, g, n	a,b,g,n,ac,dual-band 802.11 a, b, g, n, ac
Sensors
Accelerometer, Gyroscope, Heart rate, Barometer, Ambient light sensor	Accelerometer, Gyroscope, Compass, Heart rate, Barometer, ECG, Blood Oxygen, Ambient light sensor
Location
Glonass, Galileo, QZSS	GPS, Glonass, Galileo, BeiDou
Other
NFC	NFC

Multimedia

Speakers
Loudspeaker	Loudspeaker
Additional microphone(s)
Noise cancellation

Cellular

Data Speed
LTE, HSPA
SIM type
eSIM

Alternative variants

With stainless steel case

Weight	1.40 oz / 39.8 g
Materials	Frame: Stainless steel

Discover more

Full Specs Apple Watch Series 4 (40mm) Specs

Full Specs Samsung Galaxy Watch 4 (40mm) Specs PA Review Samsung Galaxy Watch 4 (40mm) Review