Galaxy A54 Vs Galaxy S21 Ultra 5G

The Samsung Galaxy A54 5G, released in March 2023, and the Samsung Galaxy S21 Ultra 5G, launched in January 2021, represent different tiers within Samsung's smartphone lineup. While the Galaxy A54 offers a more recent mid-range experience, the Galaxy S21 Ultra was a flagship device in its time, featuring premium specifications and advanced capabilities. The primary distinctions lie in their performance, camera versatility, and display quality, catering to varying user expectations and needs.

When considering the long-term usability of these devices, their release timelines and software support policies are key factors.

• Release Timeline: The Galaxy A54 5G is a newer device, released in March 2023, making it two years newer than the Galaxy S21 Ultra 5G, which launched in January 2021.
• Software Longevity: The Galaxy A54 5G was promised four major OS upgrades and five years of security updates, extending its support until approximately 2027. In contrast, the Galaxy S21 Ultra 5G received its final major OS update (Android 15) in May 2025 and its last security update in November 2025, with official software support ending in February 2026. This means the Galaxy A54 5G offers a significantly longer period of guaranteed software and security updates.
• Repairability: The Galaxy A54 5G scored 8.4 out of 10 for repairability in a Samsung France test, performing well in terms of spare parts availability and cost. The Galaxy S21 Ultra 5G scored 8.2 out of 10 in similar assessments.

The performance of a smartphone impacts how smoothly applications run, how quickly tasks are completed, and the overall responsiveness of the user interface.

• Processing Power: The Galaxy S21 Ultra 5G, as a former flagship, features a more powerful processor designed for demanding applications and intensive multitasking. Users can expect very smooth operation even with graphically intensive games and complex productivity tools. The Galaxy A54 5G's processor provides adequate power for daily usage and general applications, offering a responsive experience for common tasks and moderate gaming.
• Multitasking and Storage: The Galaxy S21 Ultra 5G typically comes with higher RAM configurations, up to 16GB, which allows for more applications to run simultaneously without slowdowns. It offers internal storage options up to 512GB but does not support expandable storage. The Galaxy A54 5G offers up to 8GB of RAM and storage options up to 256GB, with the added flexibility of expandable storage via a microSD card.
• Battery Behavior: Both devices are equipped with a 5000 mAh battery. The Galaxy A54 5G generally provides good battery life, often lasting up to 1.5 days with typical use, with some heavy users reporting 5-6 hours of screen-on time. The Galaxy S21 Ultra 5G's battery life can be impacted by its higher-resolution, brighter display and powerful processor, sometimes requiring more frequent charging for heavy users, though moderate users may achieve 1.5 to 2 days of use.

The display is a primary interface for smartphone interaction, and differences in technology and specifications can significantly affect the viewing experience.

• Display Technology and Clarity: Both phones feature AMOLED display technology, known for deep blacks and vibrant colors. The Galaxy S21 Ultra 5G boasts a 6.8-inch Dynamic AMOLED 2X display with a higher resolution of 1440 x 3200 pixels, resulting in a sharper image with 515 pixels per inch (ppi). The Galaxy A54 5G has a 6.4-inch Super AMOLED display with a resolution of 1080 x 2340 pixels, offering clear visuals at 403 ppi.
• Brightness and Smoothness: The Galaxy S21 Ultra 5G can reach a peak brightness of 1500 nits, providing excellent visibility even in bright outdoor conditions. It also features an adaptive 120Hz refresh rate, which dynamically adjusts to content for smoother scrolling and animations while conserving power. The Galaxy A54 5G offers a peak brightness of 1000 nits and a consistent 120Hz refresh rate, ensuring a fluid visual experience.
• Screen Protection: The Galaxy S21 Ultra 5G uses Gorilla Glass Victus for enhanced durability, while the Galaxy A54 5G is protected by Gorilla Glass 5.

The camera systems on both devices offer distinct capabilities for capturing photos and videos, catering to different levels of photographic ambition.

• Rear Camera System: The Galaxy S21 Ultra 5G features 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 with 10x optical zoom. This configuration allows for significant flexibility in framing shots, from expansive landscapes to distant subjects. The Galaxy A54 5G comes with a triple-camera system, comprising a 50MP main sensor with optical image stabilization (OIS), a 12MP ultrawide lens, and a 5MP macro lens.
• Photography Performance: The Galaxy S21 Ultra 5G is praised for its excellent camera system, producing stunning pictures with good dynamic range and versatile zoom capabilities. Its main camera and OIS contribute to good low-light performance. The Galaxy A54 5G's main camera also performs well in various lighting conditions, offering good color reproduction, vibrant colors, and accurate white balance, especially benefiting from OIS in low-light scenarios.
• Video Recording and Front Camera: The Galaxy S21 Ultra 5G can record video up to 8K at 24 frames per second (fps) and 4K at 60fps, and features a 40MP front camera. The Galaxy A54 5G records video up to 4K at 30fps and has a 32MP front camera.