Apple Watch Ultra 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.

9.0
Apple Watch Ultra
9.0
Apple Watch Series 8 (45mm)
Apple Watch Ultra Apple Watch Series 8 (45mm)
Released · Sep 23, 2022
Released · Sep 07, 2022
1.9-inch · 502 x 410 px
1.9-inch · 484 x 396 px
32GB
1GB · 32GB
542 mAh
308 mAh
Check prices

Display

Size
1.9-inch 1.9-inch
Resolution
502 x 410 px, 338 PPI 484 x 396 px, 329 PPI
Technology
OLED OLED
Screen-to-body
54.09 % 66.64 %
Peak brightness
2000 cd/m2 (nit) 1000 cd/m2 (nit)
Features
Scratch-resistant glass (Sapphire)

Hardware

System chip
Apple S8 Apple S8
Processor
Dual-core Dual-core
GPU
PowerVR PowerVR
RAM
1GB
Internal storage
32GB, not expandable 32GB, not expandable
OS
watchOS (9.x) watchOS (9.x)
Device type
Smartwatch Smartwatch

Battery

Capacity
542 mAh 308 mAh
Type
Li - Ion, Not user replaceable Li - Ion, Not user replaceable
Charging
Qi wireless charging Qi wireless charging

Camera

Design

Dimensions
1.93 x 1.73 x 0.57 inches
(49 x 44 x 14.4 mm)
1.77 x 1.50 x 0.42 inches
(45 x 38 x 10.7 mm)
Weight
2.16 oz(61.3 g) 1.37 oz(38.8 g)
Materials
Back: Ceramic
Frame: Titanium
Back: Ceramic
Frame: Aluminum
Resistance
Water, Dust; IP6X; MIL-STD-810 certified Water, Dust; IP6X
Colors
Midnight, Starlight, Green, Blue, Red Midnight, Starlight, Green, Blue, Red

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 25(1900+), 26(850+), 66(AWS-3) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 39(1900+), 40(2300), 41(2600+) Bands 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850) Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM eSIM

Multimedia

Speakers
Multiple speakers Loudspeaker
Additional microphone(s)
Yes Yes

Connectivity & Features

Bluetooth
5.3 5.0
Wi-Fi
802.11 b,g,n 802.11 b,g,n
Location
A-GPS, Glonass, Galileo, BeiDou, QZSS A-GPS, Glonass, Galileo, BeiDou, QZSS
Sensors
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen
Other
NFC, Ultra Wideband (UWB) NFC

Availability

Officially announced
Sep 07, 2022 Sep 07, 2022

Alternative variants

GPS Only
With stainless steel frame
Weight 1.82 oz(51.5 g)
Materials Frame: Stainless steel
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