Galaxy Watch 3 vs Galaxy Watch 5

Galaxy Watch 3 and Galaxy Watch 5 are 2020 and 2022 smartwatches from the same product line. This comparison separates the catalog's listed specifications from missing information and approximate values. It covers 17 fields, including 8 exact differences; it does not choose a winner.

Specifications side by side

Field	Galaxy Watch 3	Galaxy Watch 5
Release year	2020	2022
Case sizes	41 / 45 mm	40 / 44 mm
Display	Super AMOLED 1.2/1.4 in, Always-On	Super AMOLED 1.2/1.4 in, sapphire
Battery, as listed	2 days (247/340mAh) (approx.)	40 hours (284/410mAh) (approx.)
Operating system	Tizen 5.5 (updates ended)	Wear OS 3.5 · One UI Watch (still updated)
Phone compatibility	Android	Android
Cellular connection	eSIM · LTE (LTE model)	eSIM · LTE (LTE model)
Water rating	5ATM · IP68	5ATM · IP68
Glass	Gorilla Glass DX	Sapphire
Case material	Stainless steel / titanium	Aluminum
GPS	Standard GPS	Standard GPS
Maps	No	Yes
Payment system	Samsung Wallet	Samsung Wallet
Plan requirement	Not required	Not required
Listed sensors and features	Blood pressure, ECG, SpO2	Blood pressure, ECG, SpO2, Skin temperature
Safety features	Fall detection, SOS calling	Fall detection, SOS calling
Hardware flashlight	No	No

"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: Galaxy Watch 3 lists 2020; Galaxy Watch 5 lists 2022. The listed values are 2 years apart.
Case sizes: Galaxy Watch 3 lists 41 / 45 mm; Galaxy Watch 5 lists 40 / 44 mm. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
Display: Galaxy Watch 3 lists Super AMOLED 1.2/1.4 in, Always-On; Galaxy Watch 5 lists Super AMOLED 1.2/1.4 in, sapphire.
Operating system: Galaxy Watch 3 lists Tizen 5.5 (updates ended); Galaxy Watch 5 lists Wear OS 3.5 · One UI Watch (still updated). The listed software descriptions are not a guarantee of the software version currently installed on an individual watch.
Glass: Galaxy Watch 3 lists Gorilla Glass DX; Galaxy Watch 5 lists Sapphire. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
Case material: Galaxy Watch 3 lists Stainless steel / titanium; Galaxy Watch 5 lists Aluminum. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
Maps: Galaxy Watch 3 lists No; Galaxy Watch 5 lists Yes.
Listed sensors and features: Galaxy Watch 3 lists Blood pressure, ECG, SpO2; Galaxy Watch 5 lists Blood pressure, ECG, SpO2, Skin temperature. This compares the listed feature names, not measurement accuracy, clinical usefulness or availability in a particular country.

Where they are the same

Both list phone compatibility: Android.
Both list cellular connection: eSIM · LTE (LTE model).
Both list water rating: 5ATM · IP68.
Both list gps: Standard GPS.
Both list payment system: Samsung Wallet.
Both list plan requirement: Not required.
Both list safety features: Fall detection, SOS calling.
Both list hardware flashlight: No.

Which one fits you

Galaxy 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.

Galaxy Watch 5 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.

Galaxy Watch 3 vs Galaxy Watch 5

Specifications side by side

Where they differ

Where they are the same

Which one fits you

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