Apple Watch Series 1 (38mm) vs Apple Watch Ultra 3 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 1 (38mm) Apple Watch Ultra 3
Released · April 2015
Not announced · Expected 2024
1.5-inch · 340x272px
1.9-inch · 502x410px
0.5GB · 8GB
64GB
205 mAh

Availability

Expected Announcement
2024

Design

Dimensions
1.52 x 1.31 x 0.41 inches
38.6 x 33.3 x 10.5 mm
Weight
0.88 oz (25.0 g)
Materials
Back: Plastic
Frame: Aluminum
Back: Ceramic
Frame: Titanium
Resistance
Yes; IPX7 Water, Dust; IP6X; MIL-STD-810 certified
Colors
Silver, Gold, Rose Gold, Gray

Display

Size
1.5-inch, 55.12% screen-to-body 1.9-inch
Type
OLED, 450 nits OLED, 3000 nits
Resolution
340x272px, 290 PPI 502x410px, 338 PPI
Protection
Sapphire
Features
Pressure-sensitive, Ambient light sensor

Hardware

System chip
Apple S1P (28 nm) Apple S9
Processor
Dual-core
520 MHz
Cortex-A7
Dual-core
GPU
PowerVR G6200 PowerVR
Memory
0.5GB/8GB 64GB
Storage expansion
not expandable not expandable
OS
watchOS (6.x, 5.1, 5, 4.x, 3.x) watchOS (10.x)

Battery

Type
205 mAh Li - Ion
Charging
Magnetic charging Qi wireless charging

Camera

Connectivity & Features

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

Multimedia

Speakers
Loudspeaker Multiple speakers
Additional microphone(s)
Yes

Cellular

4G (FDD) Bands
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, 2, 4, 5
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM
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