Samsung Galaxy Watch 3 (45mm) vs Samsung Galaxy Watch 4 (40mm) - specs comparison

Display

Size:

1.4 inches

1.2 inches

Resolution:

360 x 360 pixels, 364 PPI

450 x 450 pixels, 530 PPI

Technology:

Super AMOLED

Screen-to-body:

30.42 %

Features:

Scratch-resistant glass (Corning Gorilla Glass DX+), Ambient light sensor

Hardware

System chip:

Samsung Exynos 9110

Exynos W920

Processor:

Dual-core, 1150 MHz, ARM Cortex-A53, 64-bit, 10 nm

5 nm

GPU:

Mali-T720 MP1

RAM:

1GB

1.5GB

Internal storage:

8GB (eMMC), not expandable

16GB

Device type:

Smartwatch

OS:

Tizen

Wear OS

Compatible devices:

Android 5.0 or later and with more than 1.5GB of RAM
iPhone 5 or later models with iOS 9.0 or later

Battery

Capacity:

340 mAh

247 mAh

Type:

Li - Ion, Not user replaceable

Charging:

Qi wireless charging

Design

Dimensions:

1.82 x 1.77 x 0.44 inches (46.2 x 45 x 11.1 mm)

Weight:

1.90 oz (53.8 g) Stainless steel case
Titanium case: 43

Materials & Colors:

Stainless steel: Mystic silver, Mystic black
Titanium: Mystic black

Black, Silver, Green, Gold

Resistance:

Water (up to 50 meters), Dust; IP68; MIL-STD-810 certified

Cellular

Data Speed:

LTE, HSPA, HSUPA

SIM type:

eSIM

Multimedia

Speakers:

Loudspeaker

Connectivity & Features

Bluetooth:

5.0

Wi-Fi:

802.11 b, g, n

802.11 a, b, g, n, ac, dual-band

Location:

GPS, Glonass, Galileo, BeiDou

Sensors:

Accelerometer, Gyroscope, Heart rate, Barometer, ECG

Accelerometer, Gyroscope, Compass, Heart rate, Barometer, ECG, Blood Oxygen

Other:

NFC, ANT+

NFC

Buyers information

Price:

$ 480 / € 496

Availability

Officially announced:

Aug 05, 2020

Aug 11, 2021