Apple Watch Series 2 (38mm) 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.

Apple Watch Series 2 (38mm) Apple Watch Ultra 2
Released · September 2016
Released · Sep 22, 2023
1.5-inch
1.9-inch
0.5GB · 8GB
64GB
273 mAh
564 mAh
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Design

Dimensions
1.52 x 1.31 x 0.45 inches
38.6 x 33.3 x 11.4 mm
Weight
1.48 oz (41.9 g)
Materials
Frame: Stainless steel Back: Ceramic
Frame: Titanium
Resistance
Water Water, Dust; IP6X; MIL-STD-810 certified
Colors
Silver, Black

Display

Size
1.5-inch 1.9-inch
Resolution
340x272px, 290 PPI 502x410px, 338 PPI
Technology
OLED OLED
Screen-to-body
55.12 %
Peak brightness
1000 cd/m2 (nit) 3000 cd/m2 (nit)
Features
Pressure-sensitive, Ambient light sensor Scratch-resistant glass (Sapphire)

Hardware

System chip
Apple S2 (16 nm) Apple S9
Processor
Dual-core
780 MHz
Cortex-A7
Dual-core
GPU
PowerVR G6200 PowerVR
RAM
0.5GB
Internal storage
8GB 64GB
Storage expansion
not expandable not expandable
OS
watchOS (6.x, 5.1, 5, 4.x, 3.x) watchOS (10.x)

Battery

Capacity
273 mAh 564 mAh
Type
Li - Ion
Charging
Magnetic charging Qi wireless charging

Camera

Connectivity & Features

Bluetooth
4.0 5.3
WLAN
802.11 b,g,n 802.11 b,g,n
Location
Glonass, Galileo A-GPS, Glonass, Galileo, BeiDou, QZSS
Sensors
Accelerometer, Gyroscope, Heart rate Accelerometer, Gyroscope, Altimeter, Compass, Heart rate, Thermometer, Barometer, ECG, Blood Oxygen
Other
NFC NFC, Ultra Wideband (UWB)

Multimedia

Speakers
Loudspeaker Multiple speakers
Additional microphone(s)
Yes

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)
4G (TDD)
Bands 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM

Availability

Officially announced
Sep 12, 2023

Alternative variants

With aluminum frame
Weight 0.99 oz (28.2 g)
Materials Frame: Aluminum
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