Comprehensive Feature Comparison: Oppo Find X8 Ultra and Xiaomi 15 Ultra

In 2025, flagship smartphones continue to push the limits of technology, and the Oppo Find X8 Ultra and Xiaomi 15 Ultra are prime examples. Both devices target power users and photography enthusiasts, offering advanced displays, high-end processors, versatile cameras, and fast charging capabilities. Comparing their features provides insight into which phone may better suit individual needs and preferences.

The Oppo Find X8 Ultra features a 6.82-inch AMOLED display with a resolution of 3168 x 1440 pixels, delivering a pixel density of around 515 ppi. This high-resolution screen ensures sharp images, detailed text, and immersive media viewing. The display supports a 120Hz refresh rate, allowing for smooth scrolling and responsive gaming experiences. Additionally, HDR10+ support enhances contrast and color vibrancy, making movies, games, and photos more engaging. The combination of resolution, color accuracy, and refresh rate positions the Find X8 Ultra as a strong contender for those who prioritize visual fidelity.

Performance on the Oppo Find X8 Ultra is driven by the Qualcomm Snapdragon 8 Elite chipset, paired with 12GB of RAM and 256GB of internal storage. This configuration allows for fluid multitasking, high-end gaming, and efficient operation of demanding applications. Users can expect fast app launches, smooth performance under load, and the ability to handle resource-intensive software without noticeable lag. AI enhancements further optimize system performance and enhance camera processing for improved photographic results.

The camera system on the Oppo Find X8 Ultra is particularly notable. It includes a quad-camera setup with a 50MP main sensor, a 50MP ultra-wide sensor, and dual telephoto lenses offering 3x and 6x optical zoom. The cameras are co-developed with Hasselblad, ensuring accurate color reproduction and professional-grade image quality. The device supports 4K video recording at both 60 and 120 frames per second and incorporates Dolby Vision, allowing users to capture cinematic-quality video with detailed colors and dynamic range. The combination of multiple lenses, high-resolution sensors, and AI optimization makes it versatile for various photography scenarios, from wide landscapes to detailed close-ups.

Battery life on the Oppo Find X8 Ultra is powered by a 6,100mAh battery, supporting 100W wired fast charging and 50W wireless charging. This ensures users can recharge the device quickly while maintaining extended usage throughout the day. Long battery life complements the high-resolution display and powerful processor, making the device suitable for heavy users who require consistent performance for gaming, media consumption, and multitasking.

The Xiaomi 15 Ultra, meanwhile, offers a 6.73-inch AMOLED display with a slightly higher resolution of 3200 x 1440 pixels and a pixel density of approximately 522 ppi. Like the Oppo, it supports a 120Hz refresh rate and HDR10+, providing vibrant colors, deep contrasts, and fluid animations. The display is slightly smaller but still provides a highly immersive visual experience suitable for gaming, media consumption, and general daily use.

Performance on the Xiaomi 15 Ultra is driven by the same Snapdragon 8 Elite processor, with configurations offering up to 16GB of RAM and up to 1TB of storage. This larger RAM and storage capacity allow for extensive multitasking, smoother gaming performance, and ample room for media and applications. The device is well-suited for users who need extra memory for productivity or creative work, as well as for those who store large amounts of high-resolution media on their device.

The Xiaomi 15 Ultra’s camera setup is also impressive, featuring a 50MP main sensor, a 50MP ultra-wide lens, a 50MP telephoto lens, and a 200MP periscope telephoto lens. Developed in partnership with Leica, the cameras are optimized for professional-level photography and cinematic video recording. The phone supports 4K video recording at 120fps, ensuring high-quality slow-motion and detailed footage. With multiple telephoto options, users can capture distant subjects with clarity, while the ultra-wide and main sensors provide versatility for landscapes and everyday shots.

Battery capacity on the Xiaomi 15 Ultra is slightly smaller at 5,410mAh but still provides strong endurance. It supports 90W wired fast charging and 50W wireless charging, allowing for rapid recharging during busy days. While slightly smaller than the Oppo’s battery, the fast charging capabilities minimize downtime and make it convenient for heavy users.

Also Read:  Xiaomi 15 Ultra Camera and Photo Quality Full Review

In terms of software, the Oppo Find X8 Ultra runs ColorOS 16 based on Android 16, offering a clean interface and various customization options. Xiaomi 15 Ultra operates on HyperOS 2, integrating AI features for enhanced performance and seamless use within Xiaomi’s ecosystem. Both devices offer strong software support and advanced AI features to optimize performance, battery management, and photography.

In conclusion, the Oppo Find X8 Ultra and Xiaomi 15 Ultra are both highly capable flagship smartphones with distinct strengths. The Find X8 Ultra excels in battery capacity and Hasselblad-enhanced photography, making it suitable for long usage and detailed imaging. The Xiaomi 15 Ultra offers higher RAM and storage options, along with Leica-enhanced camera systems and a slightly higher-resolution display, appealing to users seeking extensive multitasking capabilities and advanced photography. Choosing between the two depends on user priorities, whether it’s battery endurance, camera versatility, or memory and storage needs.