Galaxy A51 vs Oppo Reno 8 Pro

The Samsung Galaxy A51, released in late 2019 and early 2020 depending on the variant, and the Oppo Reno 8 Pro, launched in July 2022, are both Android smartphones designed for everyday use. While the Galaxy A51 represents an earlier generation of mid-range devices, the Reno 8 Pro offers more contemporary specifications and features. Both operate on the Android platform, but the Reno 8 Pro benefits from a newer base version and extended software support.

The expected practical lifespan of a smartphone is influenced by its initial release date and the manufacturer's commitment to software updates.

• Release Timeline: The Galaxy A51 was initially released in December 2019, with 5G variants following in April and August 2020. The Oppo Reno 8 Pro is a more recent device, launched in July 2022.
• Software Support: Samsung committed to three generations of Android updates and four years of security updates for the Galaxy A51, which launched with Android 10 and is upgradable to Android 13. The Oppo Reno 8 Pro, launching with Android 12, is expected to receive two years of OS updates and four years of security updates. This means the Reno 8 Pro will likely receive newer Android versions for a longer period.
• Build Materials: The Galaxy A51 features a plastic back and frame, with some 5G variants incorporating an aluminum frame. The Oppo Reno 8 Pro utilizes a glass front with Corning Gorilla Glass 5 protection, a glass back, and an aluminum frame, suggesting a more robust construction.

Performance differences between these two devices are notable, primarily due to their respective release timelines and the advancements in mobile processing technology.

• Processing Power: The Galaxy A51 is powered by a mid-range processor, such as the Exynos 9611 for the 4G model, which handles daily tasks and light multitasking adequately. The Oppo Reno 8 Pro, featuring a more advanced processor, delivers a significantly smoother experience for demanding applications, intensive gaming, and complex multitasking.
• Multitasking and Storage: The Galaxy A51 typically comes with 4GB to 8GB of RAM and offers storage options from 64GB to 256GB, with expandable storage via microSD. The Oppo Reno 8 Pro generally provides 8GB or 12GB of RAM and 256GB of internal storage, which contributes to more fluid app switching and overall system responsiveness, though it lacks expandable storage.
• Battery Behavior: The Galaxy A51 has a 4000 mAh battery (4G variant) or 4500 mAh (5G variant) with 15W fast charging, providing sufficient power for a full day of moderate use. The Oppo Reno 8 Pro also features a 4500 mAh battery but supports significantly faster 80W charging, allowing for quicker power replenishment.

Both smartphones offer vibrant displays, but there are key distinctions in their technology and capabilities that impact the viewing experience.

• Display Technology and Resolution: Both devices feature AMOLED displays, known for deep blacks and high contrast. The Galaxy A51 has a 6.5-inch Super AMOLED display with a 1080 x 2400 pixel resolution. The Oppo Reno 8 Pro offers a slightly larger 6.7-inch AMOLED display with a 1080 x 2412 pixel resolution.
• Refresh Rate and Smoothness: A notable difference is the refresh rate; the Galaxy A51 has a standard 60Hz refresh rate. The Oppo Reno 8 Pro features a smoother 120Hz refresh rate, which results in more fluid scrolling and a more responsive feel during gaming and general navigation.
• Brightness and Protection: The Reno 8 Pro's display can achieve higher peak brightness levels, improving visibility in bright outdoor conditions. The Galaxy A51 is protected by Corning Gorilla Glass 3, while the Reno 8 Pro features the more recent Corning Gorilla Glass 5 for enhanced durability against scratches and drops.

The camera systems on these phones offer different strengths, reflecting the advancements in mobile photography over time.

• Rear Camera Systems: The Galaxy A51 features a versatile quad-camera setup with a 48MP main sensor, a 12MP ultrawide, a 5MP macro, and a 5MP depth sensor. The Oppo Reno 8 Pro has a triple rear camera system, highlighted by a 50MP main sensor (Sony IMX766), an 8MP ultrawide, and a 2MP macro lens. The Reno 8 Pro also includes a dedicated imaging neural processing unit (NPU), the MariSilicon X, designed to enhance image and video processing, particularly in low-light conditions.
• Photography Performance: Both devices are capable of capturing detailed images in good lighting. The Reno 8 Pro's larger main sensor and NPU generally provide improved low-light performance and better detail retention. The Galaxy A51's macro lens is noted for capturing fine details in close-up shots.
• Video and Audio: Both phones support 4K video recording at 30 frames per second. The Reno 8 Pro's MariSilicon X NPU also contributes to enhanced 4K Ultra Night Video and 4K Ultra HDR Video capabilities. For audio, the Galaxy A51 includes a 3.5mm headphone jack, which is absent on the Reno 8 Pro.