Apple Watch Series 7 (45mm) vs Apple Watch Series 4 (44mm) Specs Comparison

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

Display

Size:

1.8 inches

Resolution:

448 x 368 pixels
448 x 368 pixels, 326 PPI

Technology:

OLED
OLED

Screen-to-body:

59.89 %

Peak brightness:

1000 cd/m2 (nit)

Features:

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

Hardware

System chip:

Apple S7
Apple S4 (7 nm)

Processor:

Dual-core
Dual-core

GPU:

PowerVR
Apple G11M

RAM:

1GB
1GB

Internal storage:

32GB, not expandable
16GB, not expandable

Device type:

Smartwatch
Smartwatch

OS:

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

Battery

Capacity:

292 mAh

Type:

Li - Ion, Not user replaceable
Not user replaceable

Charging:

Qi wireless charging
Magnetic charging

Camera

Rear:

Design

Dimensions:

1.73 x 1.50 x 0.42 inches (44.0 x 38.0 x 10.7 mm)

Weight:

1.34 oz (38.0 g)
1.29 oz (36.7 g)

Materials:

Back: Aluminum
Frame: Aluminum

Resistance:

Water, Dust; IP6X
Water

Colors:

Midnight, Starlight, Green, Blue, Red
Silver, Black

Cellular

UMTS:

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

Data Speed:

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

SIM type:

eSIM
eSIM

Multimedia

Speakers:

Loudspeaker
Loudspeaker

Additional microphone(s):

Yes
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0

Wi-Fi:

802.11 b, g, n
802.11 b, g, n

Location:

A-GPS, Glonass, Galileo, BeiDou, QZSS
Glonass, Galileo, QZSS

Sensors:

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

Other:

NFC

Availability

Officially announced:

Sep 14, 2021
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