Samsung Galaxy Watch 4 (40mm) vs Samsung Galaxy Watch 4 Classic (46mm) Specs Comparison

Display

Size
1.2-inch	1.4-inch
Resolution
450 x 450 px, 530 PPI	450 x 450 px, 468 PPI
Technology
Super AMOLED	Super AMOLED
Screen-to-body
	28.86 %
Features
Scratch-resistant glass (Corning Gorilla Glass DX+), Ambient light sensor	Scratch-resistant glass (Corning Gorilla Glass DX+), Ambient light sensor

Hardware

System chip
Exynos W920 (5 nm)	Exynos W920 (5 nm)
Processor
	Dual-core, 1180 MHz, Cortex-A55, 64-bit
GPU
	Mali-G68
RAM
1.5GB	1.5GB
Internal storage
16GB	16GB
OS
Wear OS	Wear OS, One Watch 3.5 UI
Compatible devices
	Smartphones with Android 6.0 or later with more than 1.5GB of RAM

Battery

Capacity
247 mAh	361 mAh
Type
Li - Ion, Not user replaceable	Li - Ion, Not user replaceable
Charging
Qi wireless charging	Qi wireless charging

Camera

Design

Dimensions
	1.79 x 1.79 x 0.43 inches (45.5 x 45.5 x 11 mm)
Weight
	1.76 oz(50.0 g)
Materials & Colors
Black, Silver, Green, Gold	Black, White, Silver
Resistance
Water (up to 50 meters), Dust; IP68; MIL-STD-810 certified	Water (up to 50 meters), Dust; IP68; MIL-STD-810 certified

Multimedia

Speakers
Loudspeaker	Loudspeaker

Connectivity & Features

Bluetooth
5.0	5.0
Wi-Fi
802.11 a,b,g,n,ac,dual-band	802.11 a,b,g,n,ac,dual-band
Location
GPS, Glonass, Galileo, BeiDou	GPS, Glonass, Galileo, BeiDou
Sensors
Accelerometer, Gyroscope, Compass, Heart rate, Barometer, ECG, Blood Oxygen	Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer, ECG, Blood Oxygen
Other
NFC	NFC

Availability

Officially announced
Aug 11, 2021

Links

Full specifications
Samsung Galaxy Watch 4 (40mm) Specs	Samsung Galaxy Watch 4 Classic (46mm) Specs
PhoneArena Review
Samsung Galaxy Watch 4 (40mm) Review