Galaxy S21 Ultra 5G Vs iPhone 16

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

Refurbished price:£187.00

Versus £1,800.00 new

See options
iPhone 16
iPhone 16
Starting at

Refurbished price:£475.00

Versus £699.00 new

See options

Ratings

The Samsung Galaxy S21 Ultra 5G, released in January 2021, and the Apple iPhone 16, launched in September 2024, represent different generations and operating system philosophies in the smartphone market. While the Galaxy S21 Ultra 5G offers a feature-rich Android experience with advanced camera capabilities and S Pen support, the iPhone 16 provides a streamlined iOS ecosystem with a focus on performance and long-term software support. These devices cater to distinct user preferences, with the S21 Ultra emphasizing versatility and the iPhone 16 prioritizing integration and efficiency.

Scores

Durability

The practical lifespan of a smartphone is influenced by its release timeline, software support, and physical durability. These two devices, separated by several years, offer different expectations in these areas.

  • Software Longevity: The iPhone 16, released in 2024, benefits from Apple's typically longer software support cycle, likely receiving major iOS updates for 5-6 years from its launch. The Galaxy S21 Ultra 5G, launched in 2021 with Android 11, has received several major Android updates and is expected to continue receiving security updates for a period, though its major OS update cycle is shorter than that of the iPhone 16. [2, 8, 9, 13, 18]
  • Physical Durability: Both devices feature robust designs with advanced glass protection and IP68 ratings for water and dust resistance, indicating they can withstand submersion in up to 6 meters of water for up to 30 minutes. [2, 5, 6, 13] The iPhone 16 incorporates Ceramic Shield on its front, which is designed for enhanced drop performance. [1, 5]
  • Expected Practical Lifespan: Users prioritizing the absolute latest software features and security updates for the longest possible duration may find the iPhone 16 more aligned with their needs due to its newer release and Apple's update policy. However, the Galaxy S21 Ultra 5G remains a capable device, and its physical build quality suggests it can endure daily use for many years.

Year of Release

2021

2024

Compatible with latest Update

Yes

Yes

Foldable

No

No

Performance

Performance is a key differentiator, with the iPhone 16 benefiting from a newer generation of internal components compared to the Galaxy S21 Ultra 5G.

  • Processing Power: The iPhone 16 is equipped with a current-generation processor, which delivers substantial improvements in raw processing power and energy efficiency. [1, 2, 4, 5, 7, 14, 15] This translates to smoother operation for demanding applications, faster app loading times, and more fluid multitasking. The Galaxy S21 Ultra 5G, while featuring a high-end processor for its 2021 release, offers strong performance for everyday tasks and gaming, but the iPhone 16 will generally handle intensive workloads with greater ease and speed. [8, 9, 11, 13]
  • Multitasking and Responsiveness: The iPhone 16's optimized software and powerful processor contribute to a highly responsive user experience, even with numerous applications running simultaneously. The Galaxy S21 Ultra 5G typically comes with more RAM (12GB or 16GB) compared to the iPhone 16's 8GB, which can be beneficial for heavy multitasking on Android, though iOS manages memory differently to achieve efficient performance. [2, 9, 13]
  • Storage Options: Both devices offer a range of internal storage capacities to suit different user needs, typically starting from 128GB and going up to 512GB. [2, 5, 6, 7, 9, 13, 14, 20]

Memory (GB)

12 GB

8 GB

Screen quality

Both smartphones feature high-quality displays, but they differ in size, resolution, and refresh rate, impacting the visual experience.

  • Display Technology and Size: The Galaxy S21 Ultra 5G boasts a larger 6.8-inch Dynamic AMOLED 2X display, offering vibrant colors and deep blacks. [6, 9, 13, 18] The iPhone 16 features a 6.1-inch Super Retina XDR OLED display, also known for its excellent color accuracy and contrast. [1, 2, 4, 5, 7] The larger screen of the S21 Ultra provides a more expansive viewing area for media consumption and productivity.
  • Resolution and Refresh Rate: The Galaxy S21 Ultra 5G offers a higher resolution of 1440 x 3200 pixels and an adaptive 120Hz refresh rate, which provides smoother scrolling and more fluid animations. [6, 9, 13, 18] The iPhone 16 has a resolution of 2556 x 1179 pixels at 460 ppi, but the base model operates at a standard 60Hz refresh rate. [1, 2, 4, 5, 7]
  • Brightness and Clarity: Both displays offer high peak brightness levels, ensuring good visibility even in bright outdoor conditions. The iPhone 16 can reach up to 2000 nits peak outdoor brightness, while the S21 Ultra also provides excellent outdoor visibility. [1, 4] The iPhone 16 also features a Dynamic Island, an interactive area at the top of the display that adapts to alerts and activities. [1, 5]

Resolution

1440 x 3200

1179 x 2556

Screen type

Dynamic AMOLED 2X

Super Retina XDR OLED

Audiovisual

The camera systems on both devices are designed to capture high-quality images and videos, though they approach photography with different hardware configurations and processing philosophies.

  • Rear Camera System: The Galaxy S21 Ultra 5G features a versatile quad-camera setup, including a 108-megapixel main sensor, a 12-megapixel ultrawide lens, and two 10-megapixel telephoto lenses, offering 3x and 10x optical zoom capabilities. [8, 11, 13, 18] This allows for significant optical magnification without loss of detail. The iPhone 16 comes with an advanced dual-camera system, featuring a 48-megapixel main camera and a 12-megapixel ultrawide camera. It also offers a 12-megapixel 2x telephoto option through its main sensor, providing optical-quality zoom. [1, 2, 4, 5, 7, 10, 19]
  • Photography Performance: The S21 Ultra excels in zoom photography due to its dedicated telephoto lenses, and its 108-megapixel sensor can capture highly detailed images. [8] The iPhone 16 is known for its consistent image processing, excellent color reproduction, and strong low-light performance, particularly with its Photonic Engine and Smart HDR 5. [1, 5, 10, 19] Both devices offer various photographic modes and features to enhance image capture.
  • Video Recording and Audio: Both smartphones are capable of recording high-quality video. The Galaxy S21 Ultra 5G can record 8K video at 24 frames per second, while the iPhone 16 supports 4K Dolby Vision video recording at up to 60 frames per second. [1, 5, 8, 10, 13, 19] Both devices also provide clear audio recording and offer stereo speaker output for an immersive media consumption experience. [6, 13]

Main camera

108 megapixels

48 megapixels

Front camera

40 megapixels

12 megapixels

Miscellaneous

Beyond the core features, several practical elements contribute to the overall user experience and differentiate these two devices.

  • Connectivity: Both the Galaxy S21 Ultra 5G and the iPhone 16 support 5G cellular networks for fast mobile data. [1, 5, 6, 7, 9, 10, 13, 19] The iPhone 16 features Wi-Fi 7 and Bluetooth 5.3, offering the latest in wireless connectivity standards. [1, 2, 5, 7] The S21 Ultra supports Wi-Fi 6E and Bluetooth 5.2. [6, 9, 13]
  • Ports and Biometrics: The iPhone 16 has transitioned to a USB-C port for charging and data transfer, aligning with modern standards. [7, 10] The Galaxy S21 Ultra 5G also uses a USB-C port. [9, 13] For security, the iPhone 16 relies on Face ID for facial recognition, while the Galaxy S21 Ultra 5G utilizes an in-display fingerprint sensor. [1, 5, 13, 18]
  • Unique Features and Design: A notable feature of the Galaxy S21 Ultra 5G is its support for the S Pen, allowing for note-taking and drawing, though the stylus is sold separately. [8] The iPhone 16 introduces an Action Button, providing quick access to customizable functions. [4, 7, 14] In terms of physical design, the S21 Ultra is a larger and heavier device, measuring 165.1 x 75.6 x 8.9 mm and weighing around 227-229 grams. [6, 9, 13, 18] The iPhone 16 is more compact and lighter at 147.6 x 71.6 x 7.8 mm and 170 grams. [1, 2, 5, 7, 19]

Weight

227 g

170 g

Screen size (in)

6.8

6.1

Mobile network

5G

5G

SIM card

Dual Physical SIM + eSIM

Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

Connector

USB-C

USB-C (USB 2)

The Samsung Galaxy S21 Ultra 5G and the iPhone 16 offer distinct advantages, making the choice between them dependent on individual user priorities. The Galaxy S21 Ultra 5G is often praised for its highly versatile camera system, particularly its advanced zoom capabilities, and its large, high-resolution 120Hz display. Users also appreciate the flexibility and customization options offered by the Android operating system, along with the added functionality of S Pen support. Some common criticisms of the S21 Ultra include its larger size and weight, which might not appeal to all users, and its shorter major software update cycle compared to Apple devices.

Conversely, the iPhone 16 receives positive feedback for its powerful and efficient performance, ensuring smooth operation for years to come. Its long-term software support and integration within the Apple ecosystem are also frequently highlighted as strong points. Users often value the consistent and intuitive user experience of iOS, as well as the device's robust build quality. A frequent point of discussion for the base iPhone 16 model is its 60Hz display, which some users find less fluid compared to higher refresh rate screens available on other devices. [4]

Users prioritizing a comprehensive camera system with extensive zoom capabilities, a larger and higher refresh rate display, and the flexibility of the Android ecosystem with S Pen functionality may find the Galaxy S21 Ultra 5G well-suited to their needs. On the other hand, users who value top-tier performance, extended software longevity, a highly integrated ecosystem, and a more compact design will likely lean towards the iPhone 16. Both devices represent quality options, and considering a quality-assured refurbished option for either model can be an eco-friendly alternative for making an informed choice.

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