Apple Watch Ultra vs Apple Watch Series 9 (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 9 (45mm)
Apple Watch Ultra Apple Watch Series 9 (45mm)
Released · Sep 23, 2022
Released · Sep 22, 2023
1.9-inch · 502x410px
1.7-inch · 430x352px
32GB
1GB · 64GB
542 mAh
308 mAh
Check prices Check prices

Availability

Officially announced
Sep 07, 2022 Sep 12, 2023

Design

Dimensions
1.93 x 1.73 x 0.57 inches
49 x 44 x 14.4 mm
1.61 x 1.38 x 0.42 inches
41 x 35 x 10.7 mm
Weight
2.16 oz (61.3 g) 1.82 oz (51.5 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

Display

Size
1.9-inch, 54.09% screen-to-body 1.7-inch, 63.01% screen-to-body
Type
OLED, 2000 nits OLED, 1000 nits
Resolution
502x410px, 338 PPI 430x352px, 329 PPI
Protection
Sapphire

Hardware

System chip
Apple S8 Apple S9
Processor
Dual-core Dual-core
GPU
PowerVR PowerVR
Memory
32GB 1GB/64GB
Storage expansion
not expandable not expandable
OS
watchOS (9.x) watchOS (10.x)

Battery

Type
542 mAh, Li - Ion 308 mAh, Li - Ion
Charging
Qi wireless charging Qi wireless charging

Camera

Connectivity & Features

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

Multimedia

Speakers
Multiple speakers Loudspeaker
Additional microphone(s)
Yes Yes

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 25, 26, 66 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 66
4G (TDD) Bands
39, 40, 41 39, 40, 41
3G Bands
1, 2, 4, 5 1, 2, 4, 5
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s LTE, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM eSIM
FCC OKs Cingular\'s purchase of AT&T Wireless