Galaxy S21 Ultra 5G Vs Galaxy S24

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

Refurbished price:229.00

Versus €1,297.00 new

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Galaxy S24
Galaxy S24
Starting at

Refurbished price:323.00

Versus €956.40 new

See options

Ratings

The Samsung Galaxy S21 Ultra 5G, released in January 2021, and the Samsung Galaxy S24, launched in January 2024, represent different generations within Samsung's flagship smartphone series. While both devices offer a premium Android experience, the Galaxy S24 introduces a more compact design, an extended software support policy, and updated internal components. The Galaxy S21 Ultra 5G, on the other hand, features a larger display and a more versatile camera system with greater optical zoom capabilities.

Scores

Durability

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

  • Release Timeline: The Galaxy S21 Ultra 5G was released in January 2021, making it a device from an earlier generation. The Galaxy S24, released in January 2024, benefits from being a newer model.
  • Software Longevity: The Galaxy S24 is notable for its extended software support, with Samsung promising up to seven years of OS and security updates from its release date. This means it will receive major Android updates for a significantly longer period than the Galaxy S21 Ultra 5G, which has likely received its last major Android OS update (Android 14) given its age. [1]
  • Practical Lifespan: Users prioritizing the latest software features and security patches for the longest possible duration will find the Galaxy S24 more aligned with their needs. Both devices feature an IP68 rating for dust and water resistance, and the Galaxy S24 uses Gorilla Glass Victus 2 for display protection, an upgrade from the original Gorilla Glass Victus on the S21 Ultra 5G. [1, 8, 26, 30]

Year of Release

2021

2024

Compatible with latest Update

Yes

Yes

OS

Android

Android

Foldable

No

No

Performance

Performance in both devices is robust, designed to handle demanding applications and multitasking, though the newer model benefits from advancements in processing technology.

  • Processor Capabilities: The Galaxy S24 features a more current-generation processor, which translates to enhanced efficiency and faster processing for everyday tasks, gaming, and AI-driven features. The Galaxy S21 Ultra 5G, while still capable, utilizes an earlier generation processor. [1, 2, 3, 5, 23, 25]
  • Multitasking and Responsiveness: Both phones offer smooth app loading and efficient multitasking. The Galaxy S21 Ultra 5G was available with up to 16GB of RAM, while the base Galaxy S24 typically comes with 8GB of RAM. [1, 3, 5, 8, 15, 16, 21, 24, 26] For most users, 8GB of RAM is sufficient for daily operations, but those who frequently engage in intensive multitasking with many applications open might notice a difference with higher RAM configurations.
  • Battery Behavior: The Galaxy S21 Ultra 5G is equipped with a larger 5000 mAh battery, compared to the 4000 mAh battery in the Galaxy S24. [1, 5, 6, 8, 19, 20, 25] Despite the smaller battery capacity, the Galaxy S24's newer processor and display technology contribute to optimized power consumption, potentially offering comparable or improved battery endurance for typical use cases. [22]

Memory (GB)

12 GB

8 GB

Screen quality

Both smartphones feature high-quality displays, but the newer model incorporates advancements in brightness and display protection.

  • Display Technology and Clarity: Both devices utilize Dynamic AMOLED 2X display technology, offering vibrant colors and deep blacks. The Galaxy S21 Ultra 5G has a larger 6.8-inch display with a higher QHD+ resolution (1440 x 3200 pixels), resulting in a very sharp viewing experience. The Galaxy S24 features a 6.2-inch display with FHD+ resolution (1080 x 2340 pixels). [1, 2, 4, 5, 14, 20, 24, 26, 30]
  • Brightness and Refresh Rate: The Galaxy S24 offers a significantly higher peak brightness of 2600 nits, making it more visible in bright outdoor conditions compared to the Galaxy S21 Ultra 5G's 1500 nits peak brightness. [1, 2, 4, 21] Both models feature an adaptive 120Hz refresh rate, providing smooth scrolling and fluid animations. [1, 15, 20, 21]
  • Screen Size and Viewing Experience: Users who prefer a larger screen for media consumption or productivity will find the Galaxy S21 Ultra 5G's 6.8-inch display more immersive. The Galaxy S24 offers a more compact form factor, which can be easier for one-handed use. [3, 28]

Resolution

1440 x 3200

1080 x 2340

Screen type

Dynamic AMOLED 2X

Dynamic LTPO AMOLED 2X

Audiovisual

Both devices offer capable camera systems, but they differ in their configurations and specific strengths.

  • Camera System Capabilities: The Galaxy S21 Ultra 5G features a quad-camera setup with a 108 MP main sensor, a 12 MP ultrawide, and two 10 MP telephoto lenses (3x and 10x optical zoom). [11, 17, 24, 27, 39] The Galaxy S24 has a triple-camera system with a 50 MP main sensor, a 12 MP ultrawide, and a 10 MP telephoto lens with 3x optical zoom. [1, 2, 4, 7, 8]
  • Photography Performance: The Galaxy S21 Ultra 5G excels in long-range zoom photography due to its dedicated 10x optical telephoto lens. The Galaxy S24, while not having the same extreme zoom, benefits from newer image processing algorithms and a larger main sensor, which can lead to improved detail and color accuracy in everyday shots and potentially better low-light performance. [32] Both can record video up to 8K resolution. [2, 4, 11, 17, 27]
  • Front Camera and Audio: The Galaxy S21 Ultra 5G has a 40 MP front camera, while the Galaxy S24 features a 12 MP front camera. [1, 7, 8, 11, 24, 27, 39] Both devices offer good microphone quality for calls and recording, and their stereo speakers provide a satisfactory audio experience for media consumption.

Main camera

108 megapixels

50 megapixels

Front camera

40 megapixels

12 megapixels

Miscellaneous

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

  • Connectivity Options: Both devices support 5G connectivity and Wi-Fi 6E for fast wireless internet. The Galaxy S24 features Bluetooth 5.3, a slight upgrade from the Galaxy S21 Ultra 5G's Bluetooth 5.2, offering minor improvements in efficiency and range. [1, 5, 25, 26]
  • Port Types and Sensors: Both phones use a USB-C port for charging and data transfer. The Galaxy S21 Ultra 5G supports the S Pen (sold separately), offering additional functionality for note-taking and drawing, though it does not have an integrated S Pen slot. [11, 27, 39] The base Galaxy S24 does not support S Pen functionality. [13, 18, 29, 40] Both devices include in-display fingerprint sensors for secure unlocking. [1]
  • Dimensions and Build: The Galaxy S24 is a more compact and lighter device, measuring 147 x 70.6 x 7.6 mm and weighing 167g. The Galaxy S21 Ultra 5G is larger and heavier at 165.1 x 75.6 x 8.9 mm and 227g. [3, 5, 25, 26, 28] The Galaxy S24 features a flat-edge design, while the S21 Ultra 5G has curved edges. [2] Both are constructed with glass fronts and backs, encased in an aluminum frame, and carry an IP68 rating for dust and water resistance. [1, 8, 26, 30]

Weight

227 g

167 g

Screen size (in)

6.8

6.2

Network

5G

5G

SIM card

Physical SIM + eSIM

Dual Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

Connector

USB-C

USB-C

Choosing between the Galaxy S21 Ultra 5G and the Galaxy S24 involves weighing priorities between a larger, feature-rich older flagship and a more modern, compact device with extended software support.

Users who prioritize a larger, high-resolution display and a more versatile camera system with advanced optical zoom capabilities, particularly the 10x telephoto lens, may find the Galaxy S21 Ultra 5G appealing. Its larger battery capacity also offers a solid foundation for extended use. User sentiment often praises the S21 Ultra's camera versatility and its expansive screen for media consumption.

Conversely, users prioritizing long-term software support, a more compact and lighter design, and the latest advancements in processing efficiency will likely lean towards the Galaxy S24. Its brighter display and newer processor contribute to a refined user experience, especially with the integration of new AI features. Criticisms for the S24 often revolve around its smaller battery compared to its predecessor, though real-world usage often shows efficient power management. [22]

For those seeking a device that will receive updates for many years and prefer a more manageable size, the Galaxy S24 is a strong contender. For individuals who value a larger screen and superior optical zoom capabilities above all else, and are comfortable with an older software support cycle, the Galaxy S21 Ultra 5G remains a capable option. Both models are available as quality-assured refurbished options, providing an eco-friendly alternative for consumers.

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