Apple Watch Series 10 (42mm) vs Apple Watch SE 3 (40mm) 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 10 (42mm) Apple Watch SE 3 (40mm)
Released · Sep 20, 2024
Expected release · Sep 19, 2025
446x374px
1.6-inch · 394x324px
1GB · 64GB
1GB · 64GB
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Availability

Officially announced
Sep 09, 2025
Scheduled release
(Official) Sep 19, 2025
Prices (MSRP)
$249

Design

Dimensions
1.65 x 1.42 x 0.38 inches
42 x 36 x 9.7 mm
1.57 x 1.34 x 0.42 inches
40 x 34 x 10.7 mm
Weight
1.06 oz / 30.0 g 0.93 oz / 26.4 g
Materials
Back: Ceramic
Frame: Aluminum
Resistance
Water, Dust; IP6X Water (up to 50 meters)
Colors
Starlight, Midnight

Display

Size
1.6-inch, 57.48% screen-to-body
Type
OLED, 2000 nits OLED, 1000 nits
Resolution
446x374px, 329 PPI 394x324px, 325 PPI
Features
Pressure-sensitive, Scratch-resistant glass, Ambient light sensor

Hardware

System chip
Apple S10 Apple S10
Processor
Dual-core Dual-core
GPU
PowerVR PowerVR
Memory
1GB/64GB 1GB/64GB
Storage expansion
not expandable not expandable
OS
watchOS (10.x) watchOS (9.x, 8.x, 7.x)

Battery

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

Connectivity & Features

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

Multimedia

Speakers
Loudspeaker Loudspeaker
Additional microphone(s)
Yes

Cellular

5G Bands
5G Ready
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 66 1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 66
4G (TDD) Bands
39, 40, 41 39, 40, 41
3G Bands
1, 2, 4, 5 1, 2, 4, 5
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
eSIM eSIM

Alternative variants

GPS Only
Weight 1.06 oz / 30.0 g
With Titanium frame
Weight 1.21 oz / 34.4 g
Materials Frame: Titanium
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