Galaxy S21 5G vs iPhone 16 Plus

Galaxy S21 5G
Galaxy S21 5G
Starting at

Refurbished price:A$318.00

Versus A$1,369.00 new

See options
iPhone 16 Plus
iPhone 16 Plus
Starting at

Refurbished price:A$942.00

Versus A$1,599.00 new

See options

Ratings

The Samsung Galaxy S21 5G, released in January 2021, and the iPhone 16 Plus, launched in September 2024, represent different generations of flagship smartphones. While both offer robust performance and advanced camera systems, the iPhone 16 Plus benefits from more recent technological advancements, particularly in processing power and software longevity. The Galaxy S21 5G operates on the Android platform, offering a customizable experience, whereas the iPhone 16 Plus runs on Apple's iOS, known for its integrated ecosystem and user-friendly interface.

Scores

Durability

The lifespan of a smartphone is influenced by its release timeline, software support, and physical durability. The Galaxy S21 5G, introduced in early 2021, has received several major Android operating system updates and security patches, typically offering around four years of major OS updates and five years of security support from its release. The iPhone 16 Plus, being a 2024 release, is expected to receive major iOS updates for a significantly longer period, often extending to five to seven years, with security updates continuing even further. This difference in software support directly impacts the practical longevity of each device.

  • Release Timeline: The Galaxy S21 5G was released in January 2021, making it an older model compared to the iPhone 16 Plus, which launched in September 2024.
  • Software Longevity: The iPhone 16 Plus is anticipated to receive major iOS updates for approximately 5-7 years, potentially until around 2031-2033, and security updates for even longer. The Galaxy S21 5G's major Android OS updates concluded around 2025, with security updates continuing for a period thereafter.
  • Physical Durability: Both devices feature robust build materials, with the Galaxy S21 5G utilizing Gorilla Glass Victus for screen protection and an IP68 rating for dust and water resistance. The iPhone 16 Plus incorporates Apple's Ceramic Shield front cover and also carries an IP68 rating, offering comparable protection against environmental elements.

Release year

2021

2024

Compatible with latest Update

Yes

Yes

Foldable

No

No

Performance

Performance in daily use is a key consideration, encompassing how smoothly applications run, the speed of multitasking, and overall system responsiveness. The significant age difference between these two devices means the iPhone 16 Plus benefits from a much newer generation of internal components, leading to a notable difference in processing capabilities.

  • Processing Power: The iPhone 16 Plus features a more current-generation processor, which translates to faster application loading times, smoother transitions between tasks, and enhanced performance for demanding applications and mobile gaming. The Galaxy S21 5G, while a flagship in its time, uses an older generation processor that still handles everyday tasks competently but may show limitations with the most intensive applications or future software updates.
  • Multitasking Efficiency: Both devices are equipped with ample RAM, typically 8GB, allowing for efficient multitasking and keeping multiple applications open in the background without significant slowdowns.
  • Storage Options: The Galaxy S21 5G offers 128GB and 256GB storage configurations. The iPhone 16 Plus provides more expansive options, including 128GB, 256GB, and 512GB, catering to users with larger storage needs for apps, photos, and videos.
  • Battery Behavior: The iPhone 16 Plus is designed for extended usage, with improvements in battery technology and software optimization contributing to longer battery life for many users. The Galaxy S21 5G's 4000 mAh battery provides a full day of typical use for many, though heavy users might find themselves needing to recharge more frequently.

Memory (GB)

8 GB

8 GB

Screen quality

The visual experience is central to smartphone interaction, and both devices offer high-quality displays, though with some distinctions in technology and refresh rates. The iPhone 16 Plus features a larger display, while the Galaxy S21 5G offers a higher refresh rate.

  • Display Technology and Clarity: The Galaxy S21 5G features a 6.2-inch Dynamic AMOLED 2X display with a Full HD+ resolution, providing vibrant colors and deep blacks. The iPhone 16 Plus comes with a larger 6.7-inch Super Retina XDR OLED display, also known for its excellent color accuracy, contrast, and clarity.
  • Refresh Rate: A key difference lies in the refresh rate; the Galaxy S21 5G boasts an adaptive 120Hz refresh rate, which contributes to smoother scrolling and more fluid animations. The iPhone 16 Plus, in contrast, maintains a standard 60Hz refresh rate, which is sufficient for most tasks but may not feel as fluid as a 120Hz display during fast-paced content or scrolling.
  • Brightness and Outdoor Visibility: Both displays offer high brightness levels for good outdoor visibility. The iPhone 16 Plus is expected to feature enhanced peak outdoor brightness, making content easier to view in direct sunlight.

Resolution

1080 x 2400

1290 x 2796

Screen type

Dynamic AMOLED 2X

Super Retina XDR OLED

Audiovisual

Both smartphones provide capable camera systems designed to capture high-quality photos and videos, but they approach imaging with different hardware and software philosophies, reflecting their respective release eras.

  • Rear Camera System: The Galaxy S21 5G features a versatile triple-camera setup, including a 12MP wide lens, a 12MP ultrawide lens, and a 64MP telephoto lens capable of 3x hybrid optical zoom. It supports 8K video recording and offers features like Director's View. The iPhone 16 Plus comes with an upgraded dual-camera system, featuring a 48MP Fusion main camera that can achieve a 2x telephoto effect and a 12MP ultrawide camera with autofocus and macro capabilities. Its vertically aligned cameras enable Spatial Capture for immersive photos and videos.
  • Low-Light Performance and Features: The iPhone 16 Plus benefits from newer computational photography advancements, likely offering improved low-light performance and detail retention. The Galaxy S21 5G also provides good low-light photography with its Night Mode, though the newer iPhone may show an edge in processing and clarity.
  • Video Recording: Both devices excel in video recording. The Galaxy S21 5G offers 8K video capture, while the iPhone 16 Plus focuses on high-quality 4K recording with advanced stabilization and features like Spatial Capture, which adds a new dimension to video content.
  • Front Camera: The Galaxy S21 5G includes a 10MP front camera. The iPhone 16 Plus features an advanced front camera, likely with improved resolution and features for selfies and video calls.

Main camera

12 megapixels

48 megapixels

Front camera

10 megapixels

12 megapixels

Miscellaneous

Beyond core performance and display, several practical elements contribute to the overall user experience, from connectivity to physical design and security features.

  • Connectivity: Both devices support 5G connectivity for fast mobile data speeds. The Galaxy S21 5G supports Wi-Fi 6 and Bluetooth 5.0. The iPhone 16 Plus is expected to feature newer Wi-Fi and Bluetooth standards, offering potentially faster and more stable wireless connections.
  • Ports and Biometrics: The Galaxy S21 5G uses a USB-C port for charging and data transfer and features an ultrasonic in-screen fingerprint sensor for secure unlocking. The iPhone 16 Plus has transitioned to a USB-C port and relies on Face ID for biometric authentication.
  • Design and Handling: The Galaxy S21 5G has a compact 6.2-inch form factor, weighing 169 grams, with a sleek design and a matte finish on its plastic back. The iPhone 16 Plus, with its 6.7-inch display, is a larger device, offering more screen real estate. It features a premium build, and while specific weight details are not always highlighted, it aims for a balanced feel in hand.
  • Additional Features: The iPhone 16 Plus introduces new physical controls like the Action Button, which can be customized for various functions, and a dedicated Capture Button for camera controls. It also integrates Apple Intelligence features, leveraging on-device AI for enhanced user interactions.

Weight

169 oz

199 oz

Screen size (in)

6.2

6.7

Network

5G

5G

SIM card

Physical SIM + eSIM

Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

Connector

USB-C

USB-C (USB 2)

The Samsung Galaxy S21 5G and the iPhone 16 Plus cater to different user preferences and priorities, largely due to their generational gap and operating system differences. Users often praise the Galaxy S21 5G for its vibrant 120Hz AMOLED display, versatile camera system, and compact design, especially for an Android flagship of its era. Some common criticisms from users included its battery life for heavy usage and the plastic back material, though many found it to be a reliable and feature-rich device.

The iPhone 16 Plus, as a more recent release, is frequently lauded for its powerful performance, extended software support, and the seamless integration within the Apple ecosystem. Users appreciate its advanced camera capabilities, including new features like Spatial Capture, and the introduction of the customizable Action Button. While specific criticisms for the 16 Plus are still emerging, general feedback for recent large iPhones often highlights their robust build and consistent user experience.

Users prioritizing a smoother display experience for scrolling and gaming might lean towards the Galaxy S21 5G due to its 120Hz refresh rate. Those who value long-term software support, cutting-edge processing power for demanding tasks, and advanced camera features like Spatial Capture will find the iPhone 16 Plus well-suited to their needs. Individuals seeking a highly integrated ecosystem and a consistent user experience over many years may prefer the iPhone. For those considering an eco-friendly alternative, both models are available as quality-assured refurbished options, offering a sustainable choice for acquiring advanced technology.

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