The OnePlus 15 stands out as the superior phone, primarily due to its class-leading 7,300 mAh battery which provides exceptional endurance. It boasts the latest Snapdragon 8 Elite Gen 5 chipset, offering significant performance gains and superior thermal management for sustained heavy use. Gamers will appreciate the 165Hz refresh rate display, which supports higher frame rates than many competitors.

Despite its strengths, the camera system is generally seen as a step down from the OnePlus 13, and its larger battery results in slower initial charging speeds. However, with its unique hardware button and improved speakers, the OnePlus 15 offers a compelling package for users prioritizing battery life and performance.

The OnePlus 15 is considered the best smartphone of 2025, featuring significant improvements over previous models and an attractive price of 3999 PLN. The device boasts a powerful 7300 mAh battery, providing up to three days of usage under normal conditions.

Additionally, the smartphone is equipped with the new Snapdragon 8 Elite fifth-generation processor and a good camera, which, while not outstanding, significantly surpasses previous versions. The fantastic design completes the package, making the OnePlus 15 exceptionally recommendable.

The OnePlus 15 stands out as a highly impressive device, particularly noted for its revolutionary battery performance, offering up to three full days of heavy use and supporting rapid 120W wired and 50W wireless charging. It also boasts increased power and an improved design.

While the cameras are slightly worse than the previous model, this phone has generated excitement for the future of smartphone battery technology. The overall package presents a compelling upgrade despite the minor camera drawback.

Initially, the OnePlus 15 faced significant overheating issues during benchmarks, which often led to test failures. OnePlus commendably addressed these problems with a software update, resulting in successful benchmark completion and notably improved thermal management. This fix allowed the phone to perform better and run cooler.

However, the OnePlus 15 presents a mixed bag in terms of features and comparative performance. While it outperforms the OnePlus 13 in short CPU bursts, it falls short in sustained heavy usage, where the OnePlus 13 maintains better performance at lower temperatures. Furthermore, the device features downgraded camera hardware and a lower resolution display compared to its predecessor.

Ultimately, despite the critical software fixes, the OnePlus 15 is not considered the best OnePlus phone available. It targets a niche audience who may be looking for a new device but are hesitant about the price of the Oppo Find X9 Pro or prefer not to purchase a year-old model.

The OnePlus 15 delivers an impressive package with true multi-day battery life, powered by a 7,300 mAh silicon carbon battery, and some of the most powerful Android specs thanks to its top-shelf Snapdragon processor. It also features a capable camera system that will satisfy most users, despite some minor low-light and video transition issues.

The device boasts a beautiful 165Hz display, though with a slightly reduced resolution, and comes in a durable enclosure. Starting at $899, the OnePlus 15 offers compelling value for a high-performance Android phone that most general consumers will appreciate.

The OnePlus 15 stands out as a strong contender, delivering top-tier performance with the Snapdragon 8 Elite Gen 5 chip and an industry-leading 7,300 mAh silicon carbide battery with incredibly fast charging. It offers compelling value, starting at a competitive price and uniquely includes a charger and pre-installed screen protector.

While its camera excels in vibrant landscapes, macro, and portrait modes, it can struggle with high dynamic range and low-light details. Overall, it represents a significant improvement, especially for users prioritizing power, battery life, and practical innovations.

The OnePlus 15 is, in many respects, a fantastic device that positively surprises with its beautiful design, excellent 165 Hz LTPO AMOLED screen, and impressive battery life thanks to its 7300 mAh cell. It offers top-tier performance from the Snapdragon 8 Elite Gen 5 processor and a very fast fingerprint scanner.

Unfortunately, the phone has its flaws, such as a weak selfie and video camera that doesn't measure up to premium competitors. A significant drawback is also the overheating issue under heavy load, which might indicate problems with the processor or software optimization.

Despite these drawbacks, the OnePlus 15 is considered a decent offering for its price, with potential for improvement after future Oxygen OS 16 updates.

The OnePlus 15 emerges as a strong contender in the flagship smartphone market, combining top-tier performance from the new Snapdragon 8 Elite Gen 5 chip with the world's fastest smartphone RAM. It boasts an exceptionally long-lasting 7,300 mAh battery and rapid charging capabilities, alongside a bright, flat display that supports up to 165 Hz refresh rates in game mode.

The camera system is versatile, offering good low-light detail, though color accuracy and in-viewfinder lens matching could see improvements. Running on Oxygen OS 16, the phone delivers an enhanced user experience, particularly in multitasking. While its pricing reflects OnePlus's shift to a premium segment, the overall package presents a robust and appealing option for users seeking high-end features and performance.

The OnePlus 15 offers an incredibly fast and smooth user experience, highlighted by its powerful Snapdragon 8 Elite Gen 5 chip, abundant RAM, and super-fast storage. Its exceptional 7,300 mAh battery delivers outstanding longevity, easily lasting over a day on a single charge.

Despite these significant strengths, the camera system is a major disappointment, described as a substantial downgrade with weak performance, dull colors, and a lack of detail in photos. This recurring issue for OnePlus is a significant drawback for an otherwise capable device.

Competitively priced, the phone provides excellent value for its performance-oriented features, but the camera weakness prevents it from being a complete flagship offering.

The OnePlus 15 presents a compelling package, excelling with its massive 7,300 mAh battery for extended use and a powerful Snapdragon Elite Gen 5 processor paired with effective cooling. Its camera system, enhanced by the Detail Max Engine, delivers consistently high-quality photos, marking a significant improvement over previous models.

The phone boasts a world's first 165Hz OLED display, though with a slight resolution downgrade that is barely noticeable. Offering substantial features at an $899 starting price, it positions itself as a "flagship killer" providing great value compared to more expensive rivals.

The OnePlus 15 emerges as a highly commendable flagship, integrating the powerful Snapdragon 8 Elite Gen 5 chip and a capable triple 50MP camera system that delivers impressive general photography. Its standout feature is the incredible 7,300 mAh battery, providing multi-day usage alongside super-fast 120W charging.

While the 1.5K display and inconsistent high digital zoom are minor drawbacks, the phone's overall performance and features are on par with more expensive rivals. The reviewer considers it a smash hit, offering a compelling blend of premium specifications and aggressive pricing that makes it a very tempting choice against traditional flagships.