Galaxy A34 Vs Galaxy S21 Ultra 5G

Galaxy A34
Galaxy A34
Starting at

Refurbished price:135.00

Versus €399.00 new

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

Refurbished price:229.00

Versus €1,297.00 new

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Ratings

The Samsung Galaxy A34, released in March 2023, and the Samsung Galaxy S21 Ultra 5G, launched in January 2021, represent distinct offerings within Samsung's smartphone lineup. While both operate on the Android platform, they cater to different user expectations regarding performance, camera capabilities, and overall build. This comparison aims to highlight the practical differences between these two devices, helping consumers make an informed decision based on their individual needs.

Scores

Durability

When considering the long-term usability of a smartphone, software support and physical resilience are key factors. The Galaxy A34 and Galaxy S21 Ultra 5G offer different timelines and levels of protection.

  • Software Longevity: The Galaxy A34, being a newer device, benefits from a longer software support window, with an expected four years of operating system updates and five years of security patches, extending its functional life well into the future. In contrast, the Galaxy S21 Ultra 5G has reached the end of its official software support as of February 2026, having received its promised four major Android OS updates and five years of security patches.
  • Physical Durability: The Galaxy A34 features a Gorilla Glass 5 front and an IP67 rating, indicating resistance to dust and water immersion up to 1 meter for 30 minutes. The Galaxy S21 Ultra 5G offers a more robust build with Gorilla Glass Victus on its display and an IP68 rating, providing slightly enhanced protection against dust and water, allowing immersion up to 1.5 meters for 30 minutes.
  • Expected Practical Lifespan: While both devices are built for several years of use, the A34's extended software support means it will continue to receive the latest Android features and security updates for a longer period, which can be a significant advantage for users who keep their devices for many years.

Year of Release

2023

2021

Compatible with latest Update

Yes

Yes

OS

Android

Android

Foldable

No

No

Performance

The performance of a smartphone directly impacts daily usage, from app responsiveness to handling demanding tasks. The Galaxy A34 and Galaxy S21 Ultra 5G offer different levels of processing power and memory configurations.

  • Processing Capabilities: The Galaxy A34 is equipped with a processor that handles everyday applications and multitasking smoothly, providing a responsive experience for general use and moderate gaming. The Galaxy S21 Ultra 5G, featuring a more advanced processor, delivers significantly higher performance, allowing for seamless execution of demanding applications, intensive gaming, and complex multitasking without noticeable slowdowns.
  • Multitasking and Storage: The Galaxy A34 typically comes with 6GB or 8GB of RAM and 128GB or 256GB of internal storage, with expandable storage via microSD. The Galaxy S21 Ultra 5G offers higher RAM options, including 12GB or 16GB, paired with 128GB, 256GB, or 512GB of faster internal storage, which contributes to quicker app loading and more efficient data handling.
  • Battery Behavior: Both devices house a 5000 mAh battery. The Galaxy A34 is frequently praised for its excellent battery life, often lasting through a full day of heavy use and sometimes up to two days for moderate users. The Galaxy S21 Ultra 5G also provides substantial battery life, though its more powerful components and higher resolution display may lead to more frequent charging for users with consistently heavy usage patterns.

Memory (GB)

6 GB

12 GB

Screen quality

The display is a primary interface for any smartphone, and both the Galaxy A34 and Galaxy S21 Ultra 5G offer vibrant viewing experiences, though with notable distinctions in their specifications.

  • Display Technology and Clarity: Both phones feature Super AMOLED displays, known for their deep blacks and vibrant colors. The Galaxy A34 has a 6.6-inch Full HD+ (1080 x 2340 pixels) display with a pixel density of approximately 390 ppi, providing clear and detailed visuals for everyday content. The Galaxy S21 Ultra 5G boasts a larger 6.8-inch Quad HD+ (3200 x 1440 pixels) Dynamic AMOLED 2X display with a higher pixel density of around 515 ppi, offering a sharper and more refined visual experience.
  • Brightness and Refresh Rate: The Galaxy A34's display can reach up to 1000 nits of peak brightness, ensuring good visibility even in bright outdoor conditions, and features a 120Hz refresh rate for smooth scrolling and animations. The Galaxy S21 Ultra 5G's display is even brighter, reaching up to 1500 nits of peak brightness, and features an adaptive 10Hz-120Hz refresh rate that adjusts dynamically to content, balancing smoothness with power efficiency.
  • Viewing Experience: The larger, higher-resolution, and brighter display of the S21 Ultra 5G provides a more immersive and detailed viewing experience, particularly beneficial for high-quality video consumption and detailed work. The A34's display, while excellent for its segment, offers a slightly less refined visual experience in comparison.

Resolution

1080 x 2340

1440 x 3200

Screen type

Super AMOLED

Dynamic AMOLED 2X

Audiovisual

The camera systems on these two Samsung devices cater to different photography needs, with the Galaxy S21 Ultra 5G offering a more versatile and advanced setup.

  • Rear Camera System: The Galaxy A34 features a triple-camera setup with a 48MP main sensor (with Optical Image Stabilization), an 8MP ultrawide lens, and a 5MP macro camera. It performs well in daylight, capturing natural colors and clarity, and its Night Mode helps in low-light conditions, though it may not match flagship performance. The Galaxy S21 Ultra 5G comes with a quad-camera system, including a 108MP main sensor, a 12MP ultrawide, and two 10MP telephoto lenses offering 3x and 10x optical zoom, providing exceptional detail and versatility, especially for distant subjects.
  • Photography Performance: The S21 Ultra 5G excels in various lighting conditions, producing detailed and vibrant images with strong low-light capabilities and advanced zoom features. Its autofocus system is also highly effective. The A34's camera is considered good for its category, delivering satisfactory results for social media and everyday photos, but some users note that colors can appear less vibrant and noise might be present in certain conditions.
  • Video Recording and Selfie Camera: Both devices support 4K video recording at 30fps. The Galaxy A34 has a 13MP front camera that captures clear selfies. The Galaxy S21 Ultra 5G features a high-resolution 40MP front camera, capable of capturing highly detailed selfies and supporting 4K video recording, making it suitable for high-quality video calls and content creation.

Main camera

48 megapixels

108 megapixels

Front camera

13 megapixels

40 megapixels

Miscellaneous

Beyond core performance and display, several practical features and design elements differentiate the Galaxy A34 and Galaxy S21 Ultra 5G, impacting their overall user experience.

  • Connectivity and Ports: Both devices support 5G connectivity for fast mobile data. The Galaxy A34 includes Wi-Fi 5 (802.11ac) and Bluetooth 5.3, along with a USB Type-C 2.0 port. The Galaxy S21 Ultra 5G offers more advanced Wi-Fi 6E and Bluetooth 5.2, featuring a USB Type-C 3.2 port for faster data transfer. Neither device includes a traditional 3.5mm headphone jack.
  • Design and Handling: The Galaxy A34 has a glass front (Gorilla Glass 5) with a plastic frame and back, weighing 199g. Its design has been noted to resemble Samsung's flagship S series. The Galaxy S21 Ultra 5G features a more premium build with Gorilla Glass Victus on the front and back, and a metal frame, weighing 228g. The S21 Ultra also supports the S Pen, offering additional functionality for note-taking and drawing, though the stylus is sold separately.
  • Security and Sensors: Both phones include an in-display fingerprint sensor for secure unlocking. The S21 Ultra 5G also features an ultrasonic fingerprint sensor, which can be faster and more reliable than the optical sensor found in the A34.

Weight

199 g

227 g

Screen size (in)

6.6

6.8

Network

5G

5G

SIM card

Dual Physical SIM

Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

Connector

USB-C

USB-C

The Samsung Galaxy A34 and Galaxy S21 Ultra 5G cater to distinct user preferences, primarily due to their release timelines and original market positioning. Users frequently praise the Galaxy A34 for its exceptional battery life, bright 120Hz AMOLED display, and solid performance for its segment. Its IP67 rating and extended software support are also commonly highlighted as strong points. Some users, however, note that its camera performance, while good, can sometimes produce less vibrant images compared to higher-end alternatives, and the fingerprint reader can be slow.

The Galaxy S21 Ultra 5G, a former flagship, is lauded for its advanced and versatile camera system, particularly its zoom capabilities, and its stunning, high-resolution display. Its powerful performance is also a consistent point of praise. The primary concern for the S21 Ultra 5G is the conclusion of its official software updates, which means it will no longer receive regular Android version upgrades or security patches, potentially impacting its long-term security and compatibility.

Users prioritizing extended software support, robust battery life, and a capable device for everyday tasks will find the Galaxy A34 well-suited to their needs. It represents a practical choice for those seeking a reliable smartphone with a modern design and good overall performance. Conversely, users who prioritize a highly advanced camera system, a superior display, and top-tier processing power for demanding applications may lean towards the Galaxy S21 Ultra 5G, understanding that its software support cycle has concluded. Both devices are available as quality-assured refurbished options, providing an eco-friendly alternative for consumers.

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