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Head-to-head · smartwatch

Google Pixel Watch 4 vs Samsung Galaxy Watch Ultra (2025)

Google Pixel Watch 4 (2025, listed at $379) and Samsung Galaxy Watch Ultra (2025) (2025, listed at $649) are both smartwatches, so the choice comes down to specifics.

Specs last updated · prices are list prices

Leads on raw specs: Samsung Galaxy Watch Ultra (2025)(2–3)
Google Pixel Watch 4
smartwatch

Google Pixel Watch 4

Gemini-powered Pixel Watch — domed Actua 360 display, satellite SOS, repairable design.

$379list price
Check price on AmazonOr buy direct from Google Store
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Full specs
Samsung Galaxy Watch Ultra (2025)
smartwatch

Samsung Galaxy Watch Ultra (2025)

Refined titanium adventure flagship — new Titanium Blue colorway and Galaxy AI workouts.

$649list price
Check price on AmazonOr buy direct from Samsung
Affiliate link — we may earn a commission at no cost to you.
Full specs

The verdict

On the numbers we track, Google Pixel Watch 4 wins on weight (37 g vs 60 g) and price ($379 vs $649); Samsung Galaxy Watch Ultra (2025) wins on battery life (2.7 days vs 1.3 days), tracked features (9 vs 8) and water rating (10ATM vs 5ATM).

Bottom line: on raw specs the Samsung Galaxy Watch Ultra (2025) leads 3 to 2, but five spec categories are only a starting point. Match it to your phone, your main sport and your budget before you decide, or run the free quiz to see how each ranks for your answers.

Spec by spec

Google Pixel Watch 4 and Samsung Galaxy Watch Ultra (2025) specifications
SpecGoogle Pixel Watch 4Samsung Galaxy Watch Ultra (2025)
Battery (rated)1.3 days2.7 days
Weight37 g60 g
List price$379$649
Water rating5ATM10ATM
Tracked features89
Case size45 mm47 mm
DisplayAMOLEDAMOLED
Works withAndroid onlyAndroid only
Listed best foreveryday wellness, health tracking and runningmultisport and triathlon, outdoor adventure and running
Released20252025

Trophy marks the better value on the five measurable specs. Battery is the manufacturer's rating, not our test. How we score is on the methodology page.

Feature overlap

Both have (8)

  • built-in GPS
  • ECG
  • blood-oxygen (SpO₂)
  • on-device music
  • contactless payments
  • AMOLED display
  • offline maps
  • swim tracking

Only Google Pixel Watch 4 (0)

Nothing unique.

Only Samsung Galaxy Watch Ultra (2025) (1)

  • LTE / cellular

Which one should you pick?

Pick the Google Pixel Watch 4 if…

  • You want to spend less: it lists for $270 less.
  • You want a lighter watch: 37 g vs 60 g.
  • Your main use is everyday wellness and health tracking: it is listed for that and the Samsung Galaxy Watch Ultra (2025) is not.

Skip it if…

  • • You use an iPhone — it needs an Android phone for full features.
  • • You do not want to charge often — it is rated for about 1.3 days per charge.

Pick the Samsung Galaxy Watch Ultra (2025) if…

  • You want fewer charges: about 2.7 days per charge vs 1.3 days.
  • You need LTE / cellular, which the Google Pixel Watch 4 does not list.
  • Your main use is multisport and triathlon and outdoor adventure: it is listed for that and the Google Pixel Watch 4 is not.
  • You swim or paddle: 10ATM vs 5ATM.

Skip it if…

  • • You use an iPhone — it needs an Android phone for full features.
  • • You have a small wrist (under about 160 mm) — the 47 mm case we list is large (check whether a smaller size is sold).
  • • You are watching your budget — the list price is $649.

Frequently asked questions

Which has better battery life, the Google Pixel Watch 4 or the Samsung Galaxy Watch Ultra (2025)?

The Samsung Galaxy Watch Ultra (2025) has the longer rated battery life: about 2.7 days per charge against 1.3 days. These are manufacturer ratings; heavy GPS, always-on display and cellular use will cut both.

Which is cheaper, the Google Pixel Watch 4 or the Samsung Galaxy Watch Ultra (2025)?

The Google Pixel Watch 4 has the lower list price: $379 against $649 in our database. List prices change often, so check Amazon for today's price.

Do the Google Pixel Watch 4 and Samsung Galaxy Watch Ultra (2025) work with iPhone and Android?

Yes, they have the same phone support: Android only.

Which is better for swimming, the Google Pixel Watch 4 or the Samsung Galaxy Watch Ultra (2025)?

Google Pixel Watch 4: 5ATM is suitable for showering and pool swimming, but not for high-speed water sports or diving. Samsung Galaxy Watch Ultra (2025): 10ATM is suitable for swimming and surface water sports. It is not a dive rating unless the maker says so.

Not sure either is right for you?

Nine questions about your phone, sport, wrist and budget, scored against all of our watches with the reasoning shown.

Take the free quiz

Where each one ranks #1 in our quiz

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