Apple Watch Series 3 (38mm) vs Apple Watch Ultra 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.

7.0
Apple Watch Series 3 (38mm)
9.0
Apple Watch Ultra
Apple Watch Series 3 (38mm) Apple Watch Ultra
Released · 2017
Released · Sep 23, 2022
1.5-inch
1.9-inch
768GB · 16GB
32GB
279 mAh
542 mAh
Check prices

Availability

Officially announced
Sep 07, 2022

Design

Dimensions
1.52 x 1.31 x 0.45 inches
38.6 x 33.3 x 11.4 mm
1.93 x 1.73 x 0.57 inches
49 x 44 x 14.4 mm
Weight
1.50 oz (42.4 g) 2.16 oz (61.3 g)
Materials
Back: Ceramic
Frame: Stainless steel
Back: Ceramic
Frame: Titanium
Resistance
Water, Dust Water, Dust; IP6X; MIL-STD-810 certified
Colors
Space Black, Silver Midnight, Starlight, Green, Blue, Red

Display

Size
1.5-inch, 55.12% screen-to-body 1.9-inch, 54.09% screen-to-body
Type
OLED, 1000 nits OLED, 2000 nits
Resolution
340x272px, 290 PPI 502x410px, 338 PPI
Protection
Sapphire Sapphire
Features
Pressure-sensitive, Scratch-resistant glass

Hardware

System chip
Apple S3 Apple S8
Processor
Dual-core Dual-core
GPU
PowerVR PowerVR
Memory
768GB/16GB 32GB
Storage expansion
not expandable
OS
watchOS (8.x, 7.x, 6.1, 6.x, 5.1, 5, 4.x) watchOS (9.x)

Battery

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

Camera

Connectivity & Features

Bluetooth
4.2 5.3
WLAN
b,g,n
802.11 b, g, n
b,g,n
802.11 b, g, n
Sensors
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen
Location
A-GPS, Glonass A-GPS, Glonass, Galileo, BeiDou, QZSS
Other
NFC NFC, Ultra Wideband (UWB)

Multimedia

Headphones
No 3.5mm jack
Speakers
Loudspeaker Multiple speakers
Additional microphone(s)
Yes

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 18, 19, 20, 26 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 25, 26, 66
4G (TDD) Bands
39, 40, 41
3G Bands
1, 5, 8 1, 2, 4, 5
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM eSIM
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