More Galaxy S25 specs leak – and we might know just how thin the S25 Slim version is

• More RAM details of the Galaxy S25 have leaked
• Fresh information on the Galaxy S25 Slim has appeared too
• And we might know the thinness of the S25 Slim

It’s honestly getting hard to keep up with the Samsung Galaxy S25 leaks at this point, with overlapping rumors coming in from multiple sources ahead of an expected January 22 launch – and we just got more unconfirmed details of the upcoming flagship series.

First up there’s news from tipster Abhishek Yadav (via Android Authority) that the Galaxy S25, the Galaxy S25 Plus, and the Galaxy S25 Ultra are all going to top out at 12GB of RAM, with 256GB, 512GB, or 1TB of storage available (and 128GB for the cheapest Galaxy S25).

While that would be a bump up from the 8GB that the Galaxy S24 starts with, it would mean there’s no increase in RAM for the Ultra model – as our Samsung Galaxy S24 Ultra review will tell you, it comes with 12GB of RAM as well.

Considering we’d heard multiple rumors that the Galaxy S25 Ultra would hit 16GB next year, it’s somewhat disappointing to hear a contradictory report. Nevertheless, a RAM boat for the Galaxy S25 and Galaxy S25 Plus would be very welcome.

A new Slim model is coming too

Next up we have a few more details of the rumored Galaxy S25 Slim – a fourth model that could arrive several months after the others. As per @Gadgetsdata (via SamMobile), this phone is going to have the same 6.66-inch display as the Galaxy S25 Plus.

We’re apparently looking at the same Snapdragon 8 Elite chipset on this model too, while the battery capacity is said to be between 4,700mAh-5,000mAh. As for the rear camera, a high-end, triple-lens 200MP+50MP+50MP module with 3.5x optical zoom is rumored.

Those camera specs are at the level we’re expecting from the Samsung Galaxy S25 Ultra, so it looks like this is going to be a premium handset to be reckoned with – and there have been previous leaks about its camera prowess.

Finally, well-known tipster Ice Universe (via Notebookcheck) reckons the Galaxy S25 Slim might be 6.x mm thick – and whatever that last digit is, that would make it significantly thinner than the 7.6 mm thickness of the Samsung Galaxy S24.

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Dave is a freelance tech journalist who has been writing about gadgets, apps and the web for more than two decades. Based out of Stockport, England, on TechRadar you’ll find him covering news, features and reviews, particularly for phones, tablets and wearables. Working to ensure our breaking news coverage is the best in the business over weekends, David also has bylines at Gizmodo, T3, PopSci and a few other places besides, as well as being many years editing the likes of PC Explorer and The Hardware Handbook.