The biggest of these come from @OnLeaks, who shared unofficial renders and some specs of the Samsung Galaxy S25 Ultra with @SmartPrix . However, you’d be forgiven for thinking you were looking at the Samsung Galaxy S24 Ultra , as this phone appears almost identical.
You can see a quad-lens camera with the same layout as its predecessor, a similarly angular shape to the phone, an S Pen slot, and a screen that’s apparently 6.8 inches again. Also on the specs front, this leak points to a 5,000mAh battery with 45W charging, just like last year.
An unofficial render of the Samsung Galaxy S25 Ultra (Image credit: @OnLeaks / @SmartPrix) An unofficial render of the Samsung Galaxy S25 Ultra (Image credit: @OnLeaks / @SmartPrix) That said, there are some differences, with the Samsung Galaxy S25 Ultra reportedly having slimmer bezels. In fact, this leak claims that they’re “one of the narrowest bezels seen on any smartphone.”
The dimensions and weight could also differ a bit, with the Samsung Galaxy S25 Ultra reportedly coming in at 162.3 x 79 x 8.7mm and 243g. The S24 Ultra for comparison is 163.4 x 78.1 x 8.9mm and 244g.
So that would make the Galaxy S25 Ultra negligibly shorter, wider, slimmer, and lighter than the S24 Ultra, with its 1g less of weight apparently being down to the Galaxy S25 Ultra having titanium sides , which is something we’ve heard before, and would give it something in common with the iPhone 15 Pro Max .
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An unofficial render of the Samsung Galaxy S25 Plus (Image credit: @OnLeaks / @GizNext) An unofficial render of the Samsung Galaxy S25 Plus (Image credit: @OnLeaks / @GizNext) @OnLeaks also shared some details and unofficial images of the Samsung Galaxy S25 Plus, this time in partnership with GizNext . And these are very much in line with the Samsung Galaxy S25 renders that @OnLeaks shared recently.
They show a phone with a similar overall appearance to the Samsung Galaxy S24 Plus , but with a slightly repositioned camera flash, and flatter sides.
It apparently has a 6.7-inch screen, which would be slightly larger than its 6.6-inch predecessor, and dimensions of 158.5 x 75.9 x 7.75mm, which would make it slightly taller and thicker but less wide than the 157.8 x 76.2 x 7.6mm Galaxy S24 Plus.
Finally, we have some leaked specs and dimensions from leaker @UniverseIce , with the latter largely lining up with the above, albeit with some 0.1mm differences in places.
However, they point to a larger 4,900mAh battery in the Galaxy S25 Plus than the 4,700mAh one in the S24 Plus, and also include some specs and dimensions for the base Samsung Galaxy S25, which itself is apparently set for a 100mAh larger battery than its predecessor, at 4,000mAh.
Perhaps most interestingly, all three phones apparently have a peak screen brightness of 2,500 nits, which is extremely high, and beats even the 2,000 nits of the iPhone 15 line.
We’d take all of this with a pinch of salt, but the sources involved are reputable. If accurate, then the Samsung Galaxy S25 series might not be a massive change from the Galaxy S24 line, but with bigger batteries, brighter screens, and refined designs, they could still rank among the best phones .
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