Samsung’s Galaxy Watch Ultra 2 arrived at this week’s Unpacked event with what looked like a clear win on paper: a massive 800mAh battery, up 35% from the original Watch Ultra’s 590mAh cell, paired with Qualcomm’s brand-new Snapdragon Wear Elite chip. But anyone hoping for longer time between charges might want to temper their expectations. Samsung’s official spec sheet quotes the exact same “up to 60 hours with Always-On Display” runtime as the first-generation model, despite the substantially larger battery and the switch away from the Exynos W1000. The discrepancy was first flagged by Phonefuturist on X, who raised a fair question — if a 35% battery bump produces zero improvement in estimated battery life, what exactly is the Snapdragon Wear Elite doing with all that extra juice?
There are a few possible explanations, and not all of them point to the chip itself. The Galaxy Watch Ultra 2 does feature a brighter display, hitting 5,000 nits at peak compared to 3,000 nits on its predecessor, along with a slight resolution bump to 498 x 498 pixels from 480 x 480. Of course, peak brightness figures on OLED panels are typically fleeting and limited to small portions of the screen, so it’s unlikely the display alone accounts for the entire gap. Wear OS 7 is also said to bring efficiency improvements, which only deepens the mystery of why Samsung couldn’t squeeze even a few extra hours out of a battery that’s nearly a third larger.
The pattern extends across the broader Galaxy Watch 9 lineup as well. Both the 40mm and 44mm models received modest battery capacity increases over their Galaxy Watch 8 counterparts, and both made the same jump to the Snapdragon Wear Elite. Yet Samsung continues to advertise up to 40 hours of usage without Always-On Display across all four models, regardless of generation. Either the new Qualcomm chip is noticeably less efficient than the Exynos it replaced, or Samsung simply hasn’t bothered to update its marketing materials with revised figures.
We’ve reached out to Samsung for clarification on the battery estimates and will update this story if we hear back. For now, the hope is that whatever the Snapdragon Wear Elite lacks in efficiency, it makes up for in raw performance — enough to justify the departure from Samsung’s in-house silicon. We’ll know for certain once we get the watch on our wrists for a full review.