Samsung Galaxy Watch Ultra vs Samsung Galaxy Watch9

Samsung says the Galaxy Watch Ultra is LTE-enabled, so you can leave your phone at home.

Good to know: Needs a carrier plan for LTE.

Galaxy Watch9 LTE models can use GPS without a paired phone; non-LTE models need a Bluetooth connection.

Good to know: Needs a carrier plan for LTE.

Samsung's Galaxy Watch Ultra page includes Google Gemini on the watch.

Good to know: Requires a Google account with Gemini.

Galaxy Watch9 uses Google Gemini to answer questions, organize tasks and reach information across apps by voice.

Good to know: Maker's description.

Samsung rates the Galaxy Watch Ultra at up to 100 hours in Power Saving mode, and up to 48 hours in Exercise Power Saving mode.

Good to know: Maker's figures for power-saving modes; normal-use hours aren't on the page.

In Notebookcheck's review, Galaxy Watch9 used about 60 to 70% of its charge in 24 hours with the always-on display, a short GPS workout and sleep tracking. A full recharge took almost 1.5 hours.

Good to know: One reviewer's test on one unit; watch size not stated. Samsung's US page gives no battery hours.

Samsung lists the Galaxy Watch Ultra as compatible with Android 12 or later.

Good to know: Some features may need a Samsung Galaxy phone; check Samsung's page.

Galaxy Watch9 is an Android watch; some features need a compatible Samsung Galaxy phone, and Bedtime Guidance needs Android 13 or later.

Good to know: Check each feature's requirements on Samsung's page.