Apple Watch Series 2 (38mm) vs Apple Watch Series 8 (45mm) 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 2 (38mm) Apple Watch Series 8 (45mm)
Released · September 2016
Released · Sep 07, 2022
1.5-inch · 340x272px
1.9-inch · 484x396px
0.5GB · 8GB
1GB · 32GB
273 mAh
308 mAh

Availability

Officially announced
Sep 07, 2022

Design

Dimensions
1.52 x 1.31 x 0.45 inches
38.6 x 33.3 x 11.4 mm
1.77 x 1.50 x 0.42 inches
45 x 38 x 10.7 mm
Weight
1.48 oz / 41.9 g 1.37 oz / 38.8 g
Materials
Frame: Stainless steel Back: Ceramic
Frame: Aluminum
Resistance
Water Water, Dust; IP6X
Colors
Silver, Black Midnight, Starlight, Green, Blue, Red

Display

Size
1.5-inch, 55.12% screen-to-body 1.9-inch, 66.64% screen-to-body
Type
OLED, 1000 nits OLED, 1000 nits
Resolution
340x272px, 290 PPI 484x396px, 329 PPI
Features
Pressure-sensitive, Ambient light sensor

Hardware

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

Battery

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

Connectivity & Features

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

Multimedia

Speakers
Loudspeaker Loudspeaker
Additional microphone(s)
Yes

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 66
4G (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

With aluminum frame
Weight 0.99 oz / 28.2 g
Materials Frame: Aluminum
GPS Only
With stainless steel frame
Weight 1.82 oz / 51.5 g
Materials Frame: Stainless steel
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