Apple Watch Series 8 (45mm) vs Apple Watch Series 4 (44mm) Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Apple Watch Series 8 (45mm) Apple Watch Series 4 (44mm)
Released · Sep 07, 2022
Released · September 2018
1.9-inch · 484x396px
1.8-inch · 448x368px
1GB · 32GB
1GB · 16GB
308 mAh
292 mAh

Design

Dimensions
1.77 x 1.50 x 0.42 inches
45 x 38 x 10.7 mm
1.73 x 1.50 x 0.42 inches
44.0 x 38.0 x 10.7 mm
Weight
1.37 oz (38.8 g) 1.29 oz (36.7 g)
Materials
Back: Ceramic
Frame: Aluminum
Frame: Aluminum
Resistance
Water, Dust; IP6X Water
Colors
Midnight, Starlight, Green, Blue, Red Silver, Black

Display

Size
1.9-inch 1.8-inch
Resolution
484x396px, 329 PPI 448x368px, 326 PPI
Technology
OLED OLED
Screen-to-body
66.64 % 59.89 %
Peak brightness
1000 cd/m2 (nit) 1000 cd/m2 (nit)
Features
Pressure-sensitive, Scratch-resistant glass (Sapphire), Ambient light sensor

Hardware

System chip
Apple S8 Apple S4 (7 nm)
Processor
Dual-core Dual-core
GPU
PowerVR Apple G11M
RAM
1GB 1GB
Internal storage
32GB 16GB
Storage expansion
not expandable not expandable
OS
watchOS (9.x) watchOS (9.x, 8.x, 7.x, 6.x, 5)

Battery

Capacity
308 mAh 292 mAh
Type
Li - Ion
Charging
Qi wireless charging Magnetic charging

Camera

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
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, Thermometer, Barometer, ECG, Blood Oxygen Accelerometer, Gyroscope, Heart rate, Barometer
Other
NFC NFC

Multimedia

Speakers
Loudspeaker Loudspeaker
Additional microphone(s)
Yes Noise cancellation

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 LTE, HSPA
SIM type
eSIM eSIM

Availability

Officially announced
Sep 07, 2022

Alternative variants

GPS Only
With stainless steel frame
Weight 1.82 oz (51.5 g)
Materials Frame: Stainless steel
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