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Apple Watch Series 8 vs Apple Watch Ultra

Apple Watch Series 8 AppleWatch Series 8
VS
Apple Watch Ultra AppleWatch Ultra

The third device is shown on desktop screens only

General

Announced
September 2022
September 2022
Released
September 2022
September 2022
Colors
GoldSilverGraphite
Titanium

Design

Length
45 mm (45 in)41 mm (41 in)
49 mm (1.93 in)
Width
38 mm (45 in)35 mm (41 in)
44 mm (1.73 in)
Thickness
10.7 mm (45 in)10.7 mm (41 in)
14.4 mm (0.57 in)
Weight
51.5 g (45 in)42.3 g (41 in)
61.3 g (2.15 oz)
Materials
Ceramic/sapphire crystal backStainless steel frame
Ceramic/sapphire crystal backTitanium frame

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)
1.92 Inches
Resolution
484x396 Pixels (45 in)430x352 Pixels (41 in)
502x410 Pixels
Pixel Density
326 PPI
338 PPI
Brightness Level
1000 Nits
2000 Nits (Peak)
Display Protection
Sapphire crystal glass
Sapphire crystal glass
Features
Always-on Display
Same on both

Hardware

Chipset
Apple S8
Apple S8
CPU Type
Dual-core
Dual-core
GPU
PowerVR
PowerVR
RAM (Memory)
1 GB
—
Internal Storage
32 GB
32 GB
Storage Type
eMMC 5.1
—

Software

OS
WatchOS 9.0
WatchOS 9.0
Update To
WatchOS 9.5
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
QZSS
No extras
On both: GPS, BDS, GALILEO, GLONASS
NFC
Yes
Yes

Media

Loudspeaker
Yes
Yes - Dual Speakers (86-decibel)
3.5mm jack
No
No

Other specifications

Sensors
Temperature (body)
Temperature (body/water)Depth gauge (±1m accuracy)
On both: Accelerometer, Gyroscope, Compass, Barometer, SpO2, VO2max, Heart Rate, Always-on altimeter
Water/Dust Resistant
50m Water ResistantDust Resistant (IP6X)
100m Water Resistant40m swimproof/divingDust Resistant (IP6X)
Other Features
ECG CertifiedUltra Wideband (UWB)
ECG CertifiedUltra Wideband (UWB)MIL-STD 810H certified

Charging and Battery

Wireless Charging
Yes
Yes
Capacity
308 mAh (45 in)282 mAh (41 in)
542 mAh

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Copyright © 2026 NXT Test. All Rights Reserved