The Galaxy S26 Ultra is set to become Samsung's top flagship, featuring a privacy-focused display, Qi2 charging support, and Qualcomm's latest processor. It faces strong competition from the OnePlus 15, which offers longer battery life and similar performance.
OnePlus and Samsung have dominated the flagship Android market, with the OnePlus 13 earning a rare five-star rating. Now, both brands prepare for 2026 releases: the OnePlus 15 has launched in China, while the Galaxy S26 Ultra remains shrouded in secrecy.
In pricing, the OnePlus 15 launched globally on November 15 with 12GB or 16GB RAM and up to 512GB storage. The Galaxy S26 Ultra is rumored for February or March 2026, possibly with a price hike.
Design-wise, the Galaxy S26 Ultra is expected to have rounded corners and a 6.9-inch QHD+ display with privacy features. The OnePlus 15 sports a flat back with a 1.5K 165Hz display and an IP69 rating for enhanced water resistance.
Hardware includes the Snapdragon 8 Elite Gen 5 chip for both, with up to 16GB RAM. The Galaxy S26 Ultra may have a 200MP main camera and dual telephoto lenses, while the OnePlus 15 offers a 50MP main camera and 32MP selfie shooter.
Key reasons to choose the OnePlus 15 are its massive 7,300mAh battery and 165Hz display for gaming. However, the Galaxy S26 Ultra offers Qi2 charging, S Pen support, and a QHD+ panel. Waiting for Samsung's official launch in 2026 is advised for undecided buyers.