Same shape, different pixels — and sweat
If you bought the Galaxy Watch 4 or 5 and liked it, the Galaxy Watch 9 is just a slightly lighter, slightly pliable version of the same thing. The "air pocket" strap is less bulky, but you won’t want it in a workout — your sweat might pool in that gap. The 40mm and 44mm models now have bigger batteries — 390mAh and 445mAh, respectively. That’s a 20% jump in the small one, but barely 10mAh in the bigger, which isn’t much of a win.
Still, if you’re into smaller smartwatches, these upgrades matter. The battery gains should help in day-to-day use — longer time between charges, better support for always-on displays. But don’t expect a wearable that lasts weeks on a single charge.
The Ultra 2 is bolder and brighter, but still boxy
The Galaxy Watch Ultra 2 is where the real changes happen. It looks more like the rest of Samsung’s Galaxy Watch family now — sharp, blocky, and with none of the old rotating bezel. The new design is clean and integrated, but it loses color options. You only get silver and gray, not the white or blue that some might have wanted. It’s a missed chance for a more premium feel.
What the Ultra 2 gained, though, is a flatter profile and an 800mAh battery. That’s a solid 12% thinner than last year’s model and still room for a full day of tracking, hiking, and diving — if you’re into that. And oh, the screen. Samsung says it can hit 5,000 nits. That’s not a mistake. It’s so bright, it hurts your eyes in a well-lit room. You won’t miss your watch in direct sunlight, or when it’s raining sideways.
New tricks for divers and trail runners
Samsung is pushing the Ultra 2 as a true rugged watch — and it’s starting to sound like one. It now knows when it’s underwater, engaging a water lock and preparing for deeper dives. With an IP69K rating and EN13319 certification, it can go to 10 meters underwater without fear. Later this year, it will track real-time diving metrics like descent speed and decompression guidance — a first for a Wear OS watch.
For trail runners, there’s GPX file support for route guidance — another checkmark for ultra-athletes. You can map out your run and get real-time directions. It’s the kind of thing that keeps you from straying into the woods where the signal ends.
The catch: not much new, but still a strong lineup
The Galaxy Watch 9 is essentially the same smartwatch as last year. If you didn’t buy it in 2023, this won’t convince you. But for those who like the fit and feel, the small battery boost and lighter strap might be enough to justify an upgrade. The Ultra 2 is the real star — but it’s still missing a key feature like a rotating bezel or a more refined aesthetic. Samsung has made it more capable for extreme use, but not significantly different from the last one.
Still, these are two of the most capable smartwatches on Wear OS. The screen alone — on the Ultra 2 — is worth the attention. It’s not just a number on a spec sheet. It’s the kind of brightness that makes your wrist glow like a floodlight.