Best Smartwatches · head-to-head

Apple Watch Series 10 (42mm) vs Samsung Galaxy Watch 7 (40mm)

A sourced, side-by-side comparison. Samsung Galaxy Watch 7 (40mm) is cheaper at $300. Every spec and price links to its source.

Which is better: the Apple Watch Series 10 (42mm) or Samsung Galaxy Watch 7 (40mm)?

The Samsung Galaxy Watch 7 (40mm) wins 1 of the 1 specs we compare head to head; the other wins 0. The Samsung Galaxy Watch 7 (40mm) is the cheaper at $300. The Samsung Galaxy Watch 7 (40mm) both leads on specs and costs less — the straightforward pick.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Apple Watch Series 10 (42mm) Samsung Galaxy Watch 7 (40mm)
US price $399 MSRP, 42mm aluminum GPS $300 MSRP, 40mm Wi-Fi
BrandAppleSamsung
Released2024-092024-07
Case size (mm) 42 40
Display type LTPO OLED AMOLED
Battery hr 18 24
Gps Yes Yes
Lte option Yes Yes
Water resistance (m) 50 50
OS watchOS 11 Wear OS 5 / One UI Watch 6
Ecg Yes Yes
Weight (g) 30 29
Release 2024-09 2024-07

Sources — Apple Watch Series 10 (42mm): dcrainmaker.com (verified 2026-06-15). Samsung Galaxy Watch 7 (40mm): en.wikipedia.org (verified 2026-06-15).

What's the difference between the Apple Watch Series 10 (42mm) and Samsung Galaxy Watch 7 (40mm)?

Where the two actually differ on the specs we track (5 of 9). Matching specs are omitted.

  • Case size (mm): Apple Watch Series 10 (42mm) 42 vs Samsung Galaxy Watch 7 (40mm) 40
  • Display type: Apple Watch Series 10 (42mm) LTPO OLED vs Samsung Galaxy Watch 7 (40mm) AMOLED
  • Battery hr: Apple Watch Series 10 (42mm) 18 vs Samsung Galaxy Watch 7 (40mm) 24
  • OS: Apple Watch Series 10 (42mm) watchOS 11 vs Samsung Galaxy Watch 7 (40mm) Wear OS 5 / One UI Watch 6
  • Weight (g): Apple Watch Series 10 (42mm) 30 vs Samsung Galaxy Watch 7 (40mm) 29

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

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.)

Praised: Thinner, lighter, more comfortable build (9.7mm, ~10% lighter); Larger wide-angle OLED display, easier to read off-angle; Faster charging (80% in ~30 minutes).

Flagged: Same 18-hour battery life, no runtime improvement; Blood Oxygen app disabled in US (Masimo patent dispute); S10 chip delivers no noticeable performance gain over S9.

Samsung Galaxy Watch 7 (40mm)

No sourced tester review yet.

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