Galaxy S21 Ultra 5G Vs Galaxy S24 Ultra

The Samsung Galaxy S21 Ultra 5G, released in January 2021, and the Samsung Galaxy S24 Ultra, launched in January 2024, represent different generations of Samsung's premium smartphone line. While both offer a high-end Android experience, the Galaxy S24 Ultra introduces a more advanced processor, an enhanced camera system, and a significantly longer software support commitment, alongside the integration of the S Pen.

When considering the longevity of these devices, their release timelines and software support policies are key differentiators.

• Software Support: The Galaxy S21 Ultra 5G, launched with Android 11, is expected to receive operating system updates for approximately four years, likely concluding around Android 15. In contrast, the Galaxy S24 Ultra, released with Android 14, benefits from Samsung's commitment to seven years of OS and security updates, extending its software lifespan significantly further, potentially until 2031.
• Build Materials and Durability: Both models feature robust construction with IP68 ratings for dust and water resistance. The Galaxy S21 Ultra 5G utilizes Gorilla Glass Victus for its front and back panels, paired with an aluminum frame. The Galaxy S24 Ultra elevates this with Gorilla Glass Armor on the front, a Gorilla Glass back, and a titanium frame, offering enhanced scratch resistance.
• Repairability: The Galaxy S24 Ultra has demonstrated a high repairability score of 9 out of 10 in independent assessments, noting features like easily accessible components and pull tabs for battery removal. While the Galaxy S21 Ultra 5G is generally considered moderately repairable for a flagship device, the S24 Ultra shows improvements in ease of component replacement.

Performance is a critical aspect for users, influencing everything from daily tasks to demanding applications.

• Processing Power: The Galaxy S21 Ultra 5G is powered by a processor that, at its release, delivered seamless multitasking and smooth gaming experiences. The Galaxy S24 Ultra features a newer generation processor designed to handle demanding apps and multitasking with enhanced efficiency. Users report this results in consistently smooth performance, even during intensive gaming sessions, partly due to a larger internal vapor chamber for improved thermal management.
• Storage and Memory: The Galaxy S21 Ultra 5G was available with 128GB, 256GB, or 512GB of internal storage, coupled with 12GB or 16GB of RAM. The Galaxy S24 Ultra offers storage options of 256GB, 512GB, and 1TB, all paired with 12GB of RAM, providing ample space and memory for extensive use and multitasking.
• Battery Performance: Both devices are equipped with a 5000 mAh battery capacity. Users of the Galaxy S24 Ultra frequently report excellent battery life, often lasting a full day even with heavy usage. The Galaxy S21 Ultra 5G also provides robust battery performance, designed to support all-day usage.

The visual experience is a hallmark of premium smartphones, and both devices offer impressive displays.

• Display Technology and Clarity: Both the Galaxy S21 Ultra 5G and Galaxy S24 Ultra feature Dynamic AMOLED 2X displays, known for vibrant colors and deep blacks. They share a similar QHD+ resolution, providing sharp and clear visuals for various content.
• Brightness and Outdoor Visibility: The Galaxy S24 Ultra offers a notable advancement in brightness, reaching up to 2600 nits of peak brightness, which is significantly higher than its predecessors. This, combined with an anti-reflective coating, greatly enhances outdoor visibility. The Galaxy S21 Ultra 5G also provides a bright display suitable for various lighting conditions.
• Refresh Rate and Form Factor: Both models feature an adaptive 120Hz refresh rate, ensuring smooth scrolling and responsive interactions. The Galaxy S24 Ultra incorporates LTPO technology, allowing its refresh rate to dynamically adjust from 1Hz to 120Hz for improved power efficiency. While the S21 Ultra 5G has slightly curved edges, the S24 Ultra features a flat display. Both devices have a 6.8-inch screen size.

Both smartphones offer advanced camera systems designed for versatile photography and videography.

• Rear Camera Systems: The Galaxy S21 Ultra 5G features a quad-camera setup with a 108MP main sensor, a 12MP ultrawide, and two 10MP telephoto lenses offering 3x and 10x optical zoom. The Galaxy S24 Ultra also has a quad-camera array, upgrading to a 200MP main sensor, a 12MP ultrawide, a 50MP telephoto with 5x optical zoom, and a 10MP telephoto with 3x optical zoom. Both support 100x digital zoom.
• Photography Performance: The S21 Ultra 5G includes an improved Bright Night sensor and noise reduction for better low-light performance. The S24 Ultra's camera is noted by users for its clarity, color reproduction, and dynamic range, with its Night Mode also receiving positive feedback. It consistently produces vivid and sharp images across various conditions.
• Video and Audio: The Galaxy S21 Ultra 5G supports 8K video recording at 24 frames per second. The Galaxy S24 Ultra enhances this with 8K recording at both 24 and 30 frames per second, along with 4K recording at up to 120 frames per second and Super Steady video stabilization. Both devices feature stereo speakers for media consumption. The S21 Ultra 5G includes a High AOP Mic for clearer audio in noisy environments.