Apple Watch Series 8 (45mm) vs Apple Watch Series 2 (42mm) 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 2 (42mm)
Released · Sep 07, 2022
Released · September 2016
1.9-inch · 484x396px
1.6-inch · 390x312px
1GB · 32GB
0.5GB · 8GB
308 mAh
334 mAh
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Availability

Officially announced
Sep 07, 2022

Design

Dimensions
1.77 x 1.50 x 0.42 inches
45 x 38 x 10.7 mm
1.67 x 1.31 x 0.45 inches
42.5 x 33.3 x 11.4 mm
Weight
1.37 oz / 38.8 g
Stainless steel frame - 51.5 g
1.85 oz / 52.4 g
Aluminum frame - 34.2 g
Materials
Back: Ceramic
Frame: Aluminum
Frame: Stainless steel
Resistance
Water, Dust; IP6X Water
Colors
Midnight, Starlight, Green, Blue, Red Silver, Black

Display

Size
1.9-inch, 66.64% screen-to-body 1.6-inch, 60.71% screen-to-body
Type
OLED, 1000 nits OLED, 1000 nits
Resolution
484x396px, 329 PPI 390x312px, 303 PPI
Features
Pressure-sensitive, Ambient light sensor

Hardware

System chip
Apple S8 Apple S2 (16 nm)
Processor
Dual-core Dual-core
780 MHz
Cortex-A7
GPU
PowerVR PowerVR G6200
Memory
1GB/32GB 0.5GB/8GB
Storage expansion
not expandable not expandable
OS
watchOS (9.x) watchOS (6.x, 5.1, 5, 4.x, 3.x)

Battery

Type
308 mAh, Li - Ion 334 mAh
Charging
Qi wireless charging Magnetic charging

Connectivity & Features

Bluetooth
5.0 4.0
WLAN
Yes
802.11 b, g, n
Yes
802.11 b, g, n
Sensors
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen Accelerometer, Gyroscope, Heart rate, Ambient light sensor
Location
A-GPS, Glonass, Galileo, BeiDou, QZSS Glonass, Galileo
Other
NFC NFC

Multimedia

Speakers
Loudspeaker Loudspeaker
Additional microphone(s)
Yes

Cellular

LTE Bands
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 66
TDD Bands
39, 40, 41
3G Bands
1, 2, 4, 5
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM

Alternative variants

GPS Only
With aluminum frame
Weight 1.21 oz / 34.2 g
Materials Frame: Aluminum
With stainless steel frame
Weight 1.82 oz / 51.5 g
Materials Frame: Stainless steel
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