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Apple Watch Ultra vs Apple Watch Series 8

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

The third device is shown on desktop screens only

General

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

Design

Length
49 mm (1.93 in)
45 mm (45 in)41 mm (41 in)
Width
44 mm (1.73 in)
38 mm (45 in)35 mm (41 in)
Thickness
14.4 mm (0.57 in)
10.7 mm (45 in)10.7 mm (41 in)
Weight
61.3 g (2.15 oz)
51.5 g (45 in)42.3 g (41 in)
Materials
Ceramic/sapphire crystal backTitanium frame
Ceramic/sapphire crystal backStainless steel 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
1.92 Inches
1.9 Inches (45 in)1.69 Inches (41 in)
Resolution
502x410 Pixels
484x396 Pixels (45 in)430x352 Pixels (41 in)
Pixel Density
338 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 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
No extras
QZSS
On both: GPS, BDS, GALILEO, GLONASS
NFC
Yes
Yes

Media

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

Other specifications

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

Charging and Battery

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

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Copyright © 2026 NXT Test. All Rights Reserved