Galaxy A56 Vs Galaxy S21 Ultra 5G

Galaxy A56
Galaxy A56
Starting at

Refurbished price:£274.00

Versus £422.50 new

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Galaxy S21 Ultra 5G
Galaxy S21 Ultra 5G
Starting at

Refurbished price:£187.00

Versus £1,800.00 new

See options

Ratings

The Samsung Galaxy A56 and the Samsung Galaxy S21 Ultra 5G represent different segments and generations within Samsung's smartphone lineup. The Galaxy S21 Ultra 5G, released in January 2021, was a premium flagship device, while the Galaxy A56, expected in March 2025, is positioned as a modern mid-range offering. These devices cater to distinct user needs, primarily differing in their camera capabilities, display resolution, and long-term software support.

Scores

Durability

The practical lifespan of a smartphone is heavily influenced by its release date and the manufacturer's software support policy.

  • Release Timeline: The Galaxy S21 Ultra 5G was launched in January 2021, making it a device from an earlier generation. The Galaxy A56 is expected to be released in March 2025, positioning it as a much newer device.
  • Software Longevity: The Galaxy S21 Ultra 5G received four years of Android operating system updates and five years of security updates, with its OS update cycle concluding around January 2025. In contrast, the Galaxy A56 is anticipated to launch with Android 15 and is expected to receive six major Android OS upgrades and six years of security updates, offering significantly extended software support.
  • Durability Features: Both devices feature robust construction. The Galaxy S21 Ultra 5G includes Gorilla Glass Victus on both its front and back, along with an aluminum frame and an IP68 rating for dust and water resistance. The Galaxy A56 is expected to feature Gorilla Glass Victus+ on its display, a metal frame, and an IP67 or IP68 rating, indicating strong protection against environmental elements.

Year of Release

2025

2021

Compatible with latest Update

Yes

Yes

OS

Android

Android

Foldable

No

No

Performance

Performance varies between these two devices, reflecting their different market segments and release years.

  • Processing Power: The Galaxy S21 Ultra 5G, as a former flagship, is equipped with a powerful processor from its generation, enabling it to handle demanding applications, intensive multitasking, and graphic-heavy games with ease. The Galaxy A56 is expected to feature a modern mid-range processor, which should provide smooth performance for everyday tasks, app navigation, and moderate gaming, with efficiency improvements typical of newer chip designs.
  • Multitasking Capabilities: The S21 Ultra 5G offers substantial RAM configurations, typically 12GB or 16GB, which supports extensive multitasking and keeps numerous applications open in the background without performance degradation. The Galaxy A56 is anticipated to come with 8GB or 12GB of RAM, providing capable multitasking for most users, though potentially less headroom for extremely heavy usage compared to the S21 Ultra 5G.
  • Storage Options: The S21 Ultra 5G provides internal storage options up to 512GB, but it does not support expandable storage. The Galaxy A56 is expected to offer 128GB or 256GB of internal storage, with the added flexibility of expandable storage via a microSD card, which can be beneficial for users who require more space for media and files.

Memory (GB)

8 GB

12 GB

Screen quality

Both smartphones feature high-quality displays, but with notable differences in resolution and peak brightness.

  • Display Technology and Clarity: The Galaxy S21 Ultra 5G boasts a 6.8-inch Dynamic AMOLED 2X display with a QHD+ resolution (3200x1440 pixels), offering exceptional sharpness and detail. The Galaxy A56 is expected to feature a 6.6-inch or 6.7-inch Super AMOLED or Dynamic AMOLED display with an FHD+ resolution (1080x2340 pixels), providing clear and vibrant visuals suitable for most content consumption.
  • Brightness and Refresh Rate: The S21 Ultra 5G's display can reach a peak brightness of 1500 nits, ensuring excellent visibility even in bright outdoor conditions, and features an adaptive refresh rate that dynamically adjusts between 10Hz and 120Hz for smooth scrolling and power efficiency. The Galaxy A56 is anticipated to offer a 120Hz refresh rate and a peak brightness ranging from 1000 to 1900 nits, providing a fluid visual experience and good outdoor readability.
  • Viewing Experience: The larger, higher-resolution screen of the S21 Ultra 5G provides a more immersive viewing experience, particularly for high-definition video content and detailed imagery. The A56's display, while slightly smaller and lower resolution, still delivers a strong visual experience with its AMOLED technology and high refresh rate.

Resolution

1080 x 2340

1440 x 3200

Screen type

Super AMOLED

Dynamic AMOLED 2X

Audiovisual

The camera systems are a significant point of divergence, with the S21 Ultra 5G offering a more advanced and versatile setup.

  • Rear Camera System: The Galaxy S21 Ultra 5G features a comprehensive quad-camera setup, including a 108MP main sensor with optical image stabilization (OIS), a 12MP ultrawide lens, and two 10MP telephoto lenses offering 3x and 10x optical zoom, enabling impressive long-range photography and detailed shots. The Galaxy A56 is expected to come with a triple-camera system, typically a 50MP main sensor with OIS, a 12MP ultrawide, and a 5MP macro or depth sensor, providing capable performance for everyday photography.
  • Photography Features: The S21 Ultra 5G excels in zoom capabilities, offering up to 100x Space Zoom, and advanced features like 8K video recording and enhanced low-light performance. The A56's camera is expected to deliver good image quality in various conditions, with its OIS-equipped main sensor contributing to clearer photos and stable video.
  • Front Camera and Audio: The S21 Ultra 5G includes a high-resolution 40MP front camera for detailed selfies and video calls. The Galaxy A56 is anticipated to feature a 12MP or 32MP front camera, suitable for clear self-portraits and video conferencing. Both devices are expected to offer stereo speakers for an enhanced media consumption experience.

Main camera

4K@30fps

108 megapixels

Front camera

13 megapixels

40 megapixels

Miscellaneous

Beyond core specifications, several practical elements differentiate these two Samsung smartphones.

  • Connectivity and Ports: Both devices support 5G connectivity for fast mobile data. The Galaxy S21 Ultra 5G features Wi-Fi 6E and Bluetooth 5.2, offering advanced wireless capabilities. The Galaxy A56 is expected to support current Wi-Fi standards and Bluetooth, ensuring reliable wireless connections. Both utilize a USB Type-C port for charging and data transfer, and neither includes a 3.5mm headphone jack.
  • Biometrics and Special Features: The S21 Ultra 5G incorporates an ultrasonic in-display fingerprint sensor and supports the S Pen stylus, expanding its functionality for productivity and creative tasks. The Galaxy A56 is expected to feature an optical in-display fingerprint sensor and face recognition for secure unlocking.
  • Physical Design and Handling: The S21 Ultra 5G has dimensions of 165.1 x 75.6 x 8.9 mm and weighs between 227-229 grams, giving it a substantial feel. The Galaxy A56 is anticipated to be slightly smaller and potentially lighter, with dimensions around 161-162 mm in height and a weight of approximately 213 grams, which may contribute to a more manageable in-hand feel for some users.

Weight

197 g

227 g

Screen size (in)

6.5

6.8

Mobile network

5G

5G

SIM card

Dual Physical SIM + eSIM

Dual Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

Connector

USB-C

USB-C

Choosing between the Samsung Galaxy A56 and the Galaxy S21 Ultra 5G involves weighing the benefits of a newer mid-range device against an older, but once premium, flagship. The Galaxy S21 Ultra 5G, despite its age, still offers a highly capable performance profile, a superior display with higher resolution, and a more versatile camera system, particularly for advanced photography and zoom capabilities. Users often praise its robust build quality and the inclusion of S Pen support, which enhances productivity. However, its primary drawback is its limited remaining software support, with OS updates having concluded and security updates nearing their end.

The Galaxy A56, on the other hand, provides a compelling package for those prioritizing longevity and modern mid-range features. Its expected extended software support ensures a longer period of security patches and Android version upgrades. Users will benefit from a newer processor that, while not matching the S21 Ultra's peak flagship performance, offers efficient operation for daily tasks and potentially faster wired charging. Its camera system is solid for general use, and the display is vibrant, though at a lower resolution than the S21 Ultra. Some common criticisms of mid-range devices can include less premium camera performance in challenging conditions compared to flagships, and potentially less robust build materials in some areas.

Users prioritizing a top-tier camera experience, a higher-resolution display, and S Pen functionality, and who are comfortable with an older software support cycle, may find the Galaxy S21 Ultra 5G well-suited to their needs. Conversely, users who value long-term software support, a modern mid-range performance, and expandable storage, making it an eco-friendly, quality-assured refurbished option, will likely find the Galaxy A56 to be a more practical choice. Both devices offer strong performance within their respective contexts, making the decision dependent on individual priorities.

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