Apple Watch Series 3 (42mm) vs Apple Watch Ultra 2 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 (42mm)
Apple Watch Series 3 (42mm) Apple Watch Ultra 2
Released · 2017
Released · Sep 22, 2023
1.6-inch · 390x312px
1.9-inch · 502x410px
768GB · 16GB
64GB
341 mAh
564 mAh
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Design

Dimensions
1.67 x 1.43 x 0.45 inches
42.5 x 36.4 x 11.4 mm
Weight
1.86 oz (52.8 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

Display

Size
1.6-inch 1.9-inch
Resolution
390x312px, 303 PPI 502x410px, 338 PPI
Technology
OLED OLED
Screen-to-body
55.61 %
Peak brightness
1000 cd/m2 (nit) 3000 cd/m2 (nit)
Features
Pressure-sensitive, Scratch-resistant glass (Sapphire) Scratch-resistant glass (Sapphire)

Hardware

System chip
Apple S3 Apple S9
Processor
Dual-core Dual-core
GPU
PowerVR PowerVR
RAM
768GB
Internal storage
16GB 64GB
Storage expansion
not expandable
OS
watchOS (8.x, 7.x, 6.1, 6.x, 5.1, 5, 4.x) watchOS (10.x)

Battery

Capacity
341 mAh 564 mAh
Type
Li - Ion
Charging
Qi wireless charging Qi wireless charging

Camera

Connectivity & Features

Bluetooth
4.2 5.3
WLAN
802.11 b,g,n 802.11 b,g,n
Location
A-GPS, Glonass A-GPS, Glonass, Galileo, BeiDou, QZSS
Sensors
Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Barometer Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen
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(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+) 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)
4G (TDD)
Bands 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM eSIM

Availability

Officially announced
Sep 12, 2023
FCC OKs Cingular\'s purchase of AT&T Wireless