Pixel Watch 3 vs Pixel Watch 4

Pixel Watch 3 and Pixel Watch 4 are 2024 and 2025 smartwatches from the same product line. This comparison separates the catalog's listed specifications from missing information and approximate values. It covers 18 fields, including 10 exact differences; it does not choose a winner.

Specifications side by side

"Not listed" means the catalog has no usable value for that field. It does not mean the watch lacks the feature. Approximate values stay visible but do not support the difference count or numeric deltas.

Where they differ

• Release year: Pixel Watch 3 lists 2024; Pixel Watch 4 lists 2025. The listed values are 1 years apart.
• Display: Pixel Watch 3 lists Actua curved AMOLED, Always-On; Pixel Watch 4 lists Curved Actua 360.
• Brightness: Pixel Watch 3 lists 2000 nits; Pixel Watch 4 lists 3000 nits. The listed values are 1000 nits apart.
• Battery, as listed: Pixel Watch 3 lists 24 hours (36 hours in saver mode; longer on the 45 mm); Pixel Watch 4 lists Up to 30 hours (41) · 40 hours (45). These are the full listed battery descriptions. Different modes or case variants prevent a single numeric battery-life delta.
• Operating system: Pixel Watch 3 lists Wear OS 5 (updates to Oct 2027); Pixel Watch 4 lists Wear OS. The listed software descriptions are not a guarantee of the software version currently installed on an individual watch.
• Case material: Pixel Watch 3 lists Recycled aluminum; Pixel Watch 4 lists Aluminum. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
• GPS: Pixel Watch 3 lists Standard GPS; Pixel Watch 4 lists Dual-frequency GNSS.
• Maps: Pixel Watch 3 lists Yes; Pixel Watch 4 lists No.
• Listed sensors and features: Pixel Watch 3 lists ECG, HRV, Readiness score, SpO2, Skin temperature; Pixel Watch 4 lists ECG, HRV, Loss of pulse, SpO2, Skin temperature. This compares the listed feature names, not measurement accuracy, clinical usefulness or availability in a particular country.
• Safety features: Pixel Watch 3 lists Fall detection, SOS calling; Pixel Watch 4 lists Fall detection, Satellite SOS, SOS calling.

Where they are the same

• Both list case sizes: 41 / 45 mm.
• Both list phone compatibility: Android.
• Both list payment system: Google Wallet.
• Both list plan requirement: Optional.
• Both list hardware flashlight: No.

Which one fits you

Pixel Watch 3 is listed as a smartwatch compatible with Android. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that the later generation is better in every respect.

Pixel Watch 4 is listed as a smartwatch compatible with Android. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that the later generation is better in every respect.

Information is missing on at least one side for: Glass. Those rows are excluded from the exact difference count.

Related pages

• Pixel Watch 3 specifications
• Google watches
• Pixel Watch 4 specifications
• Pixel Watch 2 vs Pixel Watch 3
• Pixel Watch (1st gen) vs Pixel Watch 2
• Pixel Watch 4 vs Pixel Watch 5
• Fitbit Charge 5 vs Fitbit Charge 6
• Fitbit Versa 3 vs Fitbit Versa 4
• Apple Watch Series 10 vs Apple Watch Series 11
• All pair comparisons