Apple Watch Series 4 (40mm) Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

1.6 inches

Resolution:

394 x 324 pixels, 325 PPI

Technology:

OLED

Screen-to-body:

57.48 %

Peak brightness:

1000 cd/m2 (nit)

Features:

Pressure-sensitive, Scratch-resistant glass (Sapphire), Ambient light sensor

Hardware

System chip:

Apple S4 (7 nm)

Processor:

Dual-core

GPU:

Apple G11M

RAM:

1GB

Internal storage:

16GB, not expandable

Device type:

Smartwatch

OS:

watchOS (9.x, 8.x, 7.x, 6.x, 5)

Battery

Capacity:

225 mAh

Type:

Not user replaceable

Charging:

Magnetic charging

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

Resistance:

Water

Colors:

Silver, Black

Cellular

Data Speed:

LTE, HSPA

SIM type:

eSIM

Multimedia

Speakers:

Loudspeaker

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0

Wi-Fi:

802.11 b, g, n

Location:

Glonass, Galileo, QZSS

Sensors:

Accelerometer, Gyroscope, Heart rate, Barometer

Other:

NFC
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