In this research-based comparison, we examine the OnePlus 13T and OnePlus 15 across key aspects: display, performance, cameras, battery, software and support, and value.
Display
The OnePlus 15 features a 6.78-inch LTPO AMOLED display with a resolution of 2772 x 1272 pixels, offering a peak refresh rate of 165Hz for gaming. (techradar.com) In contrast, the OnePlus 13T has a 6.32-inch LTPO AMOLED screen with a resolution of 2640 x 1216 pixels and a 120Hz refresh rate. (los40.com) Both displays support HDR10+ and Dolby Vision, but the OnePlus 15's larger screen and higher refresh rate provide a more immersive visual experience.
Performance
The OnePlus 15 is powered by the Qualcomm Snapdragon 8 Elite Gen 5 chipset, featuring a CPU clocked at 4.6 GHz and an Adreno 840 GPU. (nanoreview.net) This setup delivers exceptional performance, particularly in gaming scenarios. The OnePlus 13T utilizes the Snapdragon 8 Elite processor with a CPU clocked at 4.32 GHz and an Adreno 830 GPU, offering solid performance for everyday tasks and moderate gaming. Independent benchmarks indicate that the OnePlus 15 outperforms the 13T in both single-core and multi-core tests. (notebookcheck.net)
Cameras
The OnePlus 15 boasts a versatile triple-camera system: a 50MP main sensor, a 50MP periscope telephoto lens with 3.5x optical zoom, and a 50MP ultrawide lens. This configuration excels in various lighting conditions and offers impressive zoom capabilities. (tomsguide.com) The OnePlus 13T features a dual-camera setup with a 50MP main sensor and a 50MP telephoto lens, delivering balanced and detailed shots suitable for everyday photography. (los40.com)
Battery
The OnePlus 15 is equipped with a substantial 7,300mAh silicon-carbon battery, providing over two days of real-world use. (tomsguide.com) It supports 80-100W wired charging and 50W wireless charging, enabling a full charge in under 45 minutes. (androidcentral.com) The OnePlus 13T comes with a 6,260mAh battery, offering strong all-day battery performance with fast charging support. (los40.com)
Software and Support
The OnePlus 15 runs on Android 16 with OxygenOS 16, introducing AI-powered features like transcription and Magic Eraser-like tools. (tomsguide.com) The OnePlus 13T operates on Android 15 with OxygenOS 15, providing a smooth user experience with essential features. Both devices are expected to receive software updates, but the OnePlus 15, being the newer model, may have a longer support period.
Value
The OnePlus 15 is priced at $899 for the 256GB model, offering flagship-level features at a competitive price point. (techradar.com) The OnePlus 13T, initially priced at approximately $466, provides strong value with its solid performance and features. (los40.com)
Who Should Buy Each
The OnePlus 15 is ideal for users seeking top-tier performance, exceptional battery life, and advanced camera capabilities in a flagship device. Its higher price point reflects its premium features and build quality. The OnePlus 13T is suitable for those who desire a compact and capable smartphone with reliable performance and a good camera system at a more affordable price.
In conclusion, the OnePlus 15 offers superior performance, display, and camera features, making it a compelling choice for enthusiasts and power users. The OnePlus 13T remains a solid option for users seeking a reliable device without the premium price tag.

