Galaxy S21 Ultra 5G Vs OnePlus 10 Pro

The Samsung Galaxy S21 Ultra 5G, released in January 2021, and the OnePlus 10 Pro, which launched globally in March/April 2022, are both high-end Android smartphones designed to offer a comprehensive mobile experience. While both devices feature powerful internals and advanced displays, they differentiate themselves through their camera philosophies, software approaches, and subtle design choices.

When considering the long-term usability of a smartphone, factors like software support and physical durability are key. These two devices offer different timelines for software updates and present varying levels of repairability.

• Software Longevity: The Samsung Galaxy S21 Ultra 5G, initially running Android 11, has received updates up to Android 14. Samsung typically provides four major OS upgrades and five years of security updates for its flagship devices, suggesting continued support for a reasonable period. The OnePlus 10 Pro, launched with Android 12, is expected to receive three major Android version upgrades and four years of security updates, extending its support to Android 15.
• Repairability: The Galaxy S21 Ultra 5G received a repairability score of 3 out of 10 from iFixit, primarily due to the extensive use of adhesive for the battery and display, and a non-modular display cable, making repairs challenging. The OnePlus 10 Pro has been noted with repairability scores ranging from 6/10 to 8.0/10, indicating a somewhat easier repair process for certain components like the battery and screen, though adhesive use is still present.
• Physical Durability: Both phones feature glass backs, with the S21 Ultra using Gorilla Glass Victus. The OnePlus 10 Pro also uses Gorilla Glass Victus for screen protection. However, the OnePlus 10 Pro faced notable concerns regarding its structural integrity in bend tests, with some reports indicating it could snap under significant pressure.

Both the Galaxy S21 Ultra 5G and the OnePlus 10 Pro are equipped with powerful components designed for demanding tasks, though their real-world performance and battery management exhibit some differences.

• Processing Power: The Galaxy S21 Ultra 5G is powered by a processor that handles intensive applications and multitasking efficiently, ensuring a smooth user experience across various activities. The OnePlus 10 Pro features a newer generation processor, providing robust performance for gaming and heavy application usage, with a responsive interface.
• Multitasking Capabilities: The Galaxy S21 Ultra 5G offers generous RAM configurations, with options up to 16GB, which contributes to seamless multitasking and app switching. The OnePlus 10 Pro comes with up to 12GB of RAM, also enabling smooth operation even with multiple applications running simultaneously.
• Battery Performance: The Galaxy S21 Ultra 5G includes a 5000mAh battery, capable of lasting a full day for many users, even with the high-resolution, high-refresh-rate display enabled. Users have reported around 6-7 hours of screen-on time under these conditions. The OnePlus 10 Pro also features a 5000mAh battery, with user reports indicating it can last approximately 5-6 hours of screen-on time with moderate use, and up to 43 hours between charges on average with about three hours of 5G usage.
• Charging Speed: The Galaxy S21 Ultra 5G supports 25W wired and 15W wireless charging. The OnePlus 10 Pro offers significantly faster charging, with 80W wired charging (65W in North America) and 50W wireless charging, allowing for quicker power replenishment.

Both smartphones offer high-quality displays, providing vibrant visuals and smooth interactions, though with some distinctions in their underlying technology and brightness levels.

• Display Technology and Clarity: The Samsung Galaxy S21 Ultra 5G features a 6.8-inch Dynamic AMOLED 2X display, offering a QHD+ resolution (3200x1440 pixels) with a pixel density of 515ppi. This results in sharp images and text, along with deep blacks and vibrant colors. The OnePlus 10 Pro comes with a 6.7-inch Fluid AMOLED display, also boasting a QHD+ resolution (3216x1440 pixels) and a pixel density of 525ppi, delivering a similarly clear and colorful viewing experience.
• Adaptive Refresh Rate: The S21 Ultra's display features an adaptive refresh rate that can dynamically adjust from 10Hz to 120Hz, optimizing for both smooth scrolling and power efficiency depending on the content. The OnePlus 10 Pro utilizes second-generation LTPO technology, allowing its refresh rate to vary even more widely, from 1Hz to 120Hz, which further aids in battery conservation by adjusting to static or fast-moving content.
• Brightness and Color Accuracy: The Galaxy S21 Ultra 5G offers a peak brightness of 1500 nits, ensuring excellent visibility even in bright outdoor conditions. The OnePlus 10 Pro reaches a peak brightness of 1300 nits and incorporates Dual Color Calibration, which aims to maintain accurate and natural colors across different brightness levels.

Both devices feature advanced camera systems, each with its own strengths in capturing photos and videos, catering to different photographic preferences.

• Rear Camera Systems: The Samsung Galaxy S21 Ultra 5G is equipped with a versatile quad-camera setup, including a 108MP main sensor, a 12MP ultrawide lens, a 10MP telephoto lens with 3x optical zoom, and a 10MP periscope telephoto lens offering 10x optical zoom. This configuration provides extensive flexibility for various shooting scenarios, from wide landscapes to distant subjects. The OnePlus 10 Pro features a triple-camera system co-developed with Hasselblad, comprising a 48MP main sensor, a 50MP ultrawide lens with an expansive 150-degree field of view, and an 8MP telephoto lens with 3.3x optical zoom.
• Photography Performance: The S21 Ultra's main camera is known for capturing highly detailed images, and its multiple telephoto lenses offer significant zoom capabilities. Its camera system is generally praised for its overall quality and consistency. The OnePlus 10 Pro's main camera also delivers good detail and color reproduction, particularly in daylight. Its 150-degree ultrawide camera provides a unique perspective. However, some users have noted inconsistencies in color science between its different lenses and weaker low-light performance on secondary cameras compared to the main sensor.
• Video Recording: Both smartphones are capable of recording 8K video at 24 frames per second. The Galaxy S21 Ultra 5G also supports 4K video at 30/60fps. The OnePlus 10 Pro offers more advanced video recording options, including 4K video at up to 120 frames per second, providing greater flexibility for slow-motion and high-fidelity capture.
• Front Camera: The S21 Ultra features a 40MP front-facing camera, capable of capturing detailed selfies and 4K video. The OnePlus 10 Pro has a 32MP front camera, which also delivers good quality for self-portraits and video calls.