Apple Watch Series 1 (42mm) vs Apple Watch Ultra 3 vs Apple Watch Series 11 (46mm) 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.

Comparison mode:
Differences only
Apple Watch Series 1 (42mm) Apple Watch Ultra 3 Apple Watch Series 11 (46mm)
Released · April 2015
Released · Sep 19, 2025
Released · Sep 19, 2025
1.6-inch · 390x312px
1.9-inch · 502x410px
2.0-inch · 496x416px
0.5GB · 8GB
1GB · 64GB
1GB · 64GB
250 mAh
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Availability

Officially announced
Sep 09, 2025 Sep 09, 2025
Prices (MSRP)
$799 $429

Design

Dimensions
1.67 x 1.43 x 0.41 inches
42.5 x 36.4 x 10.5 mm
1.93 x 1.73 x 0.47 inches
49 x 44 x 12 mm
1.81 x 1.54 x 0.38 inches
46 x 39 x 9.7 mm
Weight
0.88 oz / 25.0 g 2.17 oz / 61.6 g 1.30 oz / 36.9 g
Materials
Back: Plastic
Frame: Aluminum
Back: Ceramic
Frame: Titanium
Back: Ceramic
Frame: Aluminum
Resistance
Yes; IPX7 Water, Dust; IP6X; MIL-STD-810 certified Water, Dust; IP6X
Colors
Silver, Gold, Rose Gold, Gray Natural, Black Rose Gold, Silver, Space Gray, Jet Black

Display

Size
1.6-inch, 55.61% screen-to-body 1.9-inch 2.0-inch
Type
OLED, 450 nits OLED, 3000 nits OLED, 2000 nits
Resolution
390x312px, 303 PPI 502x410px, 338 PPI 496x416px, 330 PPI
Protection
Sapphire
Features
Pressure-sensitive, Ambient light sensor

Hardware

System chip
Apple S1P (28 nm) Apple S10 Apple S10
Processor
Dual-core
520 MHz
Cortex-A7
Dual-core Dual-core
GPU
PowerVR G6200 PowerVR PowerVR
Memory
0.5GB/8GB 1GB/64GB 1GB/64GB
Storage expansion
not expandable not expandable not expandable
OS
watchOS (6.x, 5.1, 5, 4.x, 3.x) watchOS (10.x) watchOS (10.x)

Battery

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

Connectivity & Features

Bluetooth
4.0 5.3 5.3
WLAN
b,g,n
802.11 b, g, n
a,b,g,n,ac
802.11 b, g, n
a,b,g,n,ac
802.11 b, g, n
Sensors
Accelerometer, Gyroscope, Heart rate, Ambient light sensor 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
Other
NFC NFC, Ultra Wideband (UWB) NFC, Ultra Wideband (UWB)

Multimedia

Speakers
Loudspeaker Multiple speakers Loudspeaker

Cellular

LTE 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
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
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