Apple Watch Series 4 (40mm) Specs

Description

The Apple Watch Series 4 (40mm) comes with 1.57-inch OLED display and Apple S4 processor. Specs also include heart rate sensor, barometer and LTE connectivity.

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The Apple Watch Series 4 (40mm) is most commonly compared with these phones:

Specs

Display

Size 1.6-inch
Resolution 394 x 324 px, 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
OS watchOS (9.x, 8.x, 7.x, 6.x, 5)
Device type Smartwatch

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
This device has different variants: View all

Cellular

Data Speed LTE, HSPA
SIM type eSIM

Multimedia

Speakers Loudspeaker
Additional microphone(s) 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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Alternative variants

With stainless steel case
Differences from the main variant:
Weight 1.40 oz(39.8 g)
Materials Frame: Stainless steel
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