Open dataset · CC BY 4.0

Apple Watch SE (3rd generation) 40mm vs Apple Watch SE (2nd generation) 40mm screen size

Same layout size: both are 162 × 197 points at @2x.

Side by side

Apple Watch SE (3rd generation) 40mm vs Apple Watch SE (2nd generation) 40mm screen specs
Spec	Apple Watch SE (3rd generation) 40mm	Apple Watch SE (2nd generation) 40mm	Difference
Points	162 × 197 pt	162 × 197 pt	Same
Pixels	324 × 394 px	324 × 394 px	Same
Scale	@2x	@2x	Same
PPI (Apple)	326	326	Same
Case size	40 mm	40 mm	Same
Aspect ratio	162:197 (1.216)	162:197 (1.216)	Same
Display type	OLED	OLED	Same
ProMotion	No	No	Same
Always-On	Yes	Yes	Same
Cutout	None	None	Same
Home button	No	No	Same
Release year	2025	2022	Different

Drawn to scale

Solid: Apple Watch SE (3rd generation) 40mm (162 × 197 pt). Dashed: Apple Watch SE (2nd generation) 40mm (162 × 197 pt). Drawn to scale in points from the same corner.

Device pages

Other comparisons

Apple Watch SE (2nd generation) 40mm vs Apple Watch SE (1st generation) 40mm

Sources

Apple Watch SE (3rd generation) 40mm

Apple Watch SE 3 - Tech Specs, Apple: diagonal, resolution, ppi, display_type, refresh_rate, features
Xcode 27.1 (27A9275) Simulator: UIKit probe app (scripts/simulator/Measure.swift) and device-type capabilities.plist, measured 2026-10-27, Apple: corner_radius (unofficial), logical_resolution, scale

Apple Watch SE (2nd generation) 40mm

Apple Watch SE (2nd generation) - Tech Specs, Apple: diagonal, resolution, ppi, display_type, refresh_rate, features
Xcode 27.1 (27A9275) Simulator: UIKit probe app (scripts/simulator/Measure.swift) and device-type capabilities.plist, measured 2026-10-27, Apple: corner_radius (unofficial), logical_resolution, scale

Download and cite

Data: Apple device screen specs by bestlatestapps.com (https://bestlatestapps.com/tools/apple-device-screen-sizes/), licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Built from Apple's published tech specs and Human Interface Guidelines, Wikipedia for model identifiers, and our own Xcode Simulator measurements.

Cite as: Singh, A. (2026). Apple Device Screen Specs (v0.1.0). Zenodo. https://doi.org/10.5281/zenodo.23819103

Also on: Zenodo and Kaggle

Link to this tool

Found it useful? You're welcome to link to it from your README, docs or blog.

HTML

<a href="https://bestlatestapps.com/tools/apple-device-screen-sizes/compare/apple-watch-se-3rd-generation-40mm-vs-apple-watch-se-2nd-generation-40mm/">Apple Watch SE (3rd generation) 40mm vs Apple Watch SE (2nd generation) 40mm screen size</a> – Apple Watch SE (3rd generation) 40mm vs Apple Watch SE (2nd generation) 40mm: points, pixels, PPI…

Markdown

[Apple Watch SE (3rd generation) 40mm vs Apple Watch SE (2nd generation) 40mm screen size](https://bestlatestapps.com/tools/apple-device-screen-sizes/compare/apple-watch-se-3rd-generation-40mm-vs-apple-watch-se-2nd-generation-40mm/) – Apple Watch SE (3rd generation) 40mm vs Apple Watch SE (2nd generation) 40mm: points, pixels, PPI…

Dataset credit (CC BY 4.0)

Data: [Apple device screen specs](https://bestlatestapps.com/tools/apple-device-screen-sizes/) by bestlatestapps.com, CC BY 4.0

Questions

Is the Apple Watch SE (3rd generation) 40mm screen bigger than the Apple Watch SE (2nd generation) 40mm?

No, they are the same size: both are 162 × 197 points.

Do apps lay out the same on Apple Watch SE (3rd generation) 40mm and Apple Watch SE (2nd generation) 40mm?

Yes. Both are 162 × 197 points at @2x, so UIKit, SwiftUI and CSS layouts match.

Data version 0.1.0, generated 2026-10-27.