Syed Saif Ul Hassan 
Nov 16, 2025
The newest OnePlus 15 has taken the smartphone market by storm by arriving earlier than expected, and thanks to its powerful battery, advanced processor, and competitive pricing that it directly competes with Samsung's Galaxy S25 Ultra.
Since the internet has gone wild comparing the two top-notch phones, Gadinsider is here to give you a quick rundown of the key aspects for the Galaxy S25 Ultra vs OnePlus 15.
Find out if OnePlus 15 is any better than the Galaxy S25 Ultra
Taking into account durability, the OnePlus 15 offers IP68 and IP69 ratings, which make it both dustproof and water-resistant, withstanding high-temperature water jets. Meanwhile, the Galaxy S25 Ultra only has an IP68 rating.
On another build-oriented front, OnePlus goes an extra mile with its AquaTouch technology, allowing users to interact with the screen even when wet, a feature missing not only on the Galaxy S25 but in most high-end devices.
The Sand Storm edition of the OnePlus 15 comes with a reinforced frame for even better durability, and offers enhanced usability. Battery life is another standout feature of the OnePlus 15, as it's equipped with a 7,300mAh battery that maintains around 40% charge even after a full day of heavy use.
In contrast, Samsung’s 5,000mAh battery purportedly struggles under similar conditions, while OnePlus offers faster charging at 80W against Samsung’s 45W.
Although OnePlus 15 has a bright 165Hz AMOLED display with thinner bezels, Samsung has a winning egde with its QHD AMOLED screen, which features anti-reflective coating for improved colour and brightness.
Samsung scores another by including the S Pen for precision tasks, which is absent on the OnePlus.
Both devices offer strong software support, with OnePlus 15 dropping four years of OS updates and five years of security patches, while Samsung provides seven years.
Although we have penned down a comprehensive article comparing the OnePlus 15 with the Galaxy S25, buyers are advised to consider their preference because OnePlus 15 has great battery life, durability, and affordability against Samsung’s superior display, stylus support, and longer software longevity.
