# Apple Watch Series 10 (42mm) vs OnePlus Watch 3: specs and price compared

A sourced, side-by-side comparison of the Apple Watch Series 10 (42mm) (Apple) and OnePlus Watch 3 (OnePlus) among smartwatches. OnePlus Watch 3 is the cheaper of the two at $330.

## Side by side

| Spec | Apple Watch Series 10 (42mm) | OnePlus Watch 3 |
| --- | --- | --- |
| US price | $399 | $330 |
| Brand | Apple | OnePlus |
| Released | 2024-09 | 2025-04 |
| Case size (mm) | 42 | 47 |
| Display type | LTPO OLED | LTPO AMOLED |
| Battery hr | 18 | 120 |
| Gps | Yes | Yes |
| Lte option | Yes | No |
| Water resistance (m) | 50 | 50 |
| OS | watchOS 11 | Wear OS 5 |
| Ecg | Yes | No |
| Weight (g) | 30 | 50 |

## Key differences

- Case size (mm): Apple Watch Series 10 (42mm) 42 vs OnePlus Watch 3 47
- Display type: Apple Watch Series 10 (42mm) LTPO OLED vs OnePlus Watch 3 LTPO AMOLED
- Battery hr: Apple Watch Series 10 (42mm) 18 vs OnePlus Watch 3 120
- Lte option: Apple Watch Series 10 (42mm) Yes vs OnePlus Watch 3 No
- OS: Apple Watch Series 10 (42mm) watchOS 11 vs OnePlus Watch 3 Wear OS 5
- Ecg: Apple Watch Series 10 (42mm) Yes vs OnePlus Watch 3 No
- Weight (g): Apple Watch Series 10 (42mm) 30 vs OnePlus Watch 3 50

## What reviewers say

**Apple Watch Series 10 (42mm)** — Four whitelisted testers (Engadget, Tom's Guide, TechRadar, DC Rainmaker) rate the Series 10 the best Apple Watch for iPhone owners, praising the thinner, lighter build and larger wide-angle display. All flag flat 18-hour battery life and the US-disabled Blood Oxygen app. Reviews are hands-on, not lab-benched; Engadget tested the 42mm while TechRadar and DC Rainmaker used 46mm units. (4 sourced reviews.)

## Sources

- Apple Watch Series 10 (42mm): https://www.dcrainmaker.com/2024/09/apple-watch-series-10-in-depth-review.html (dcrainmaker.com, verified 2026-06-15)
- OnePlus Watch 3: https://www.androidcentral.com/wearables/oneplus-watch-3-review (androidcentral.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/smartwatches/apple-watch-series-10-42mm-vs-oneplus-watch-3/
Cite: Per The Front Desk Review, Apple Watch Series 10 (42mm) ($399) vs OnePlus Watch 3 ($330) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/smartwatches/apple-watch-series-10-42mm-vs-oneplus-watch-3/
License: CC BY 4.0.