Samsung Galaxy Watch 4 (40mm) vs Apple Watch Series 9 (45mm) - specs comparison

June 01, 2024

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Display

Size:

1.2 inches

1.7 inches

Resolution:

450 x 450 pixels, 530 PPI

430 x 352 pixels, 329 PPI

Technology:

Super AMOLED

OLED

Screen-to-body:

63.01 %

Peak brightness:

1000 cd/m2 (nit)

Features:

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

Battery

Capacity:

247 mAh

308 mAh

Type:

Li - Ion, Not user replaceable

Charging:

Qi wireless charging

Design

Dimensions:

1.61 x 1.38 x 0.42 inches (41 x 35 x 10.7 mm)

Weight:

1.82 oz (51.5 g)

Materials:

Back: Ceramic; Frame: Aluminum

Materials & Colors:

Black, Silver, Green, Gold

Resistance:

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

Water, Dust; IP6X

Colors:

Midnight, Starlight, Green, Blue, Red

Cellular

4G (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3)

4G (TDD):

Bands 39(1900+), 40(2300), 41(2600+)

3G:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850)

Data Speed:

LTE, HSDPA+ (4G) 42.2 Mbit/s

SIM type:

eSIM

Multimedia

Speakers:

Loudspeaker

Additional microphone(s):

Yes

Connectivity & Features

Bluetooth:

5.0

Yes

Wi-Fi:

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

802.11 b, g, n

Location:

GPS, Glonass, Galileo, BeiDou

A-GPS, Glonass, Galileo, BeiDou, QZSS

Sensors:

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

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

Other:

NFC

NFC, Ultra Wideband (UWB)

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