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Apple Watch Series 9 vs Apple Watch Series 8

Apple Watch Series 9 AppleWatch Series 9
VS
Apple Watch Series 8 AppleWatch Series 8

The third device is shown on desktop screens only

General

Announced
September 2023
September 2022
Released
September 2023
September 2022
Colors
GoldSilverGraphite
Same on both

Design

Length
45 mm (45 in)41 mm (41 in)
Same on both
Width
38 mm (45 in)35 mm (41 in)
Same on both
Thickness
10.7 mm (45 in)10.7 mm (41 in)
Same on both
Weight
51.5 g (45 in)42.3 g (41 in)
Same on both
Materials
Ceramic/sapphire crystal backStainless steel frame
Same on both

Network

2G Network
Yes
Yes
3G Network
Yes
Yes
4G Network
Yes
Yes
GPRS
Yes
Yes
EDGE
Yes
Yes
SIM
Electronic SIM (eSIM)
Electronic SIM (eSIM)

Display

Display Type
Retina LTPO OLED
Retina LTPO OLED
Size
1.9 Inches (45 in)1.69 Inches (41 in)
Same on both
Resolution
484x396 Pixels (45 in)430x352 Pixels (41 in)
Same on both
Pixel Density
326 PPI
326 PPI
Brightness Level
2000 Nits (Peak)
1000 Nits
Display Protection
Sapphire crystal glass
Sapphire crystal glass
Features
Always-on Display
Same on both

Hardware

Chipset
Apple S9
Apple S8
CPU Type
Dual-core
Dual-core
GPU
PowerVR
PowerVR
RAM (Memory)
—
1 GB
Internal Storage
64 GB
32 GB
Storage Type
—
eMMC 5.1
Card Slot
No
—

Software

OS
WatchOS 10
WatchOS 9.0
Update To
—
WatchOS 9.5

Camera

Camera
No
No

Connectivity

Wi-Fi
Wi-Fi 4b/g/n
Same on both
Bluetooth
5.3LEA2DP
Same on both
Location
GPSBDSQZSSGALILEOGLONASS
Same on both
NFC
Yes
Yes

Media

Loudspeaker
Yes
Yes
3.5mm jack
No
No

Other specifications

Sensors
AccelerometerGyroscopeBarometerCompassSpO2VO2maxHeart RateTemperature (body)Always-on altimeter
AccelerometerGyroscopeCompassBarometerSpO2VO2maxHeart RateTemperature (body)Always-on altimeter
Water/Dust Resistant
50m Water ResistantDust Resistant (IP6X)
Same on both
Other Features
ECG CertifiedUltra Wideband 2 (UWB)
ECG CertifiedUltra Wideband (UWB)

Charging and Battery

Wireless Charging
Yes
Yes
Capacity
308 mAh (45 in)282 mAh (41 in)
Same on both
Battery Type
Lithium Ion
—

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Copyright © 2026 NXT Test. All Rights Reserved