Galaxy S21 5G Vs iPhone 15 Plus

Galaxy S21 5G
Galaxy S21 5G
Starting at

Refurbished price:£133.00

Versus £829.00 new

See options
iPhone 15 Plus
iPhone 15 Plus
Starting at

Refurbished price:£344.00

Versus £799.00 new

See options

Ratings

The Samsung Galaxy S21 5G, released in early 2021, and the iPhone 15 Plus, launched in late 2023, represent two different eras and philosophies in the smartphone market. While the Galaxy S21 5G focuses on a compact form factor and versatile camera features within the Android ecosystem, the iPhone 15 Plus offers a much larger display and significant battery endurance running on iOS. Choosing between them involves weighing the benefits of a smaller, high-refresh-rate device against a newer, large-format handset designed for longevity and media consumption.

Scores

Durability

The age gap between these two devices significantly impacts their expected software support and physical resilience over the coming years, making a sustainable choice like a quality-assured refurbished option a practical consideration for many.

  • Software Longevity: The iPhone 15 Plus, being a much newer release, is expected to receive operating system updates and security patches for several years beyond the Galaxy S21 5G, which is approaching the later stages of its official support cycle.
  • Build and Repair: Both devices feature robust construction with water and dust resistance, though the iPhone 15 Plus utilizes a more modern internal design that simplifies certain repairs compared to earlier generations.
  • Practical Lifespan: Users looking for a device to last four or five years from today will find the iPhone 15 Plus better suited to that timeline, whereas the Galaxy S21 5G remains a reliable choice for those needing a functional device for the immediate future.

Year of Release

2021

2023

Compatible with latest Update

Yes

Yes

OS

Android

iOS

Foldable

No

No

Performance

While both smartphones handle everyday applications with ease, the difference in their release dates results in distinct experiences regarding efficiency and sustained power.

  • System Responsiveness: The iPhone 15 Plus provides a fluid experience when multitasking or running demanding creative apps, while the Galaxy S21 5G remains capable for standard social media, browsing, and moderate gaming.
  • Battery Endurance: Due to its larger physical footprint, the iPhone 15 Plus houses a high-capacity battery that comfortably lasts through a full day of heavy use, whereas the Galaxy S21 5G requires more frequent charging, especially for active users.
  • Storage and Multitasking: Both models offer various storage capacities to house photos and files, but the iPhone 15 Plus manages background tasks efficiently, keeping apps ready for instant use without frequent reloading.

Memory (GB)

8 GB

6 GB

Screen quality

The viewing experience differs primarily in size and motion smoothness, with each device prioritising a different aspect of display technology for the user.

  • Motion Smoothness: The Galaxy S21 5G features a high refresh rate that makes scrolling through lists and animations appear fluid, a feature that the iPhone 15 Plus lacks with its standard refresh rate.
  • Display Size and Clarity: The iPhone 15 Plus offers a significantly larger screen area, making it ideal for watching videos or reading long documents, and it reaches higher brightness levels for better visibility under direct sunlight.
  • Technology and Colour: Both handsets utilize advanced OLED technology, ensuring deep blacks and vibrant colours, though the Galaxy S21 5G’s smaller screen results in a higher pixel density for sharp text in a compact frame.

Resolution

1080 x 2400

1290 x 2796

Screen type

Dynamic AMOLED 2X

Super Retina XDR OLED

Audiovisual

Photography and media consumption are handled differently, with the Samsung offering more focal lengths and the iPhone focusing on high-resolution detail and video stability.

  • Camera Versatility: The Galaxy S21 5G includes a dedicated telephoto lens, allowing for clearer zoomed-in photos of distant subjects, whereas the iPhone 15 Plus relies on its high-resolution main sensor to crop in for close-ups.
  • Video and Audio: The iPhone 15 Plus is widely recognised for its stable video recording and natural sound capture, making it a strong choice for content creators, while the Galaxy S21 5G offers robust manual controls for photography enthusiasts.
  • Speaker Performance: Both devices provide stereo sound, but the larger body of the iPhone 15 Plus allows for a fuller audio profile with more noticeable bass during music playback or movie watching.

Main camera

12 megapixels

48 megapixels

Front camera

10 megapixels

12 megapixels

Miscellaneous

Beyond the core specifications, the physical handling and connectivity of these devices define the daily user experience for professionals and travelers alike.

  • Physical Handling: The Galaxy S21 5G is notably lighter and narrower, making it much easier to use with one hand, while the iPhone 15 Plus requires a two-handed approach for most tasks due to its width.
  • Connectivity and Ports: Both smartphones have transitioned to the universal USB-C port for charging and data transfer, and both support 5G networks for fast mobile data speeds in compatible areas.
  • Biometric Security: The Galaxy S21 5G uses an ultrasonic fingerprint sensor hidden under the glass for quick unlocking, while the iPhone 15 Plus utilizes facial recognition technology which many users find seamless for secure access.

Weight

169 g

201 g

Screen size (in)

6.2

6.7

Mobile network

5G

5G

SIM card

Dual Physical SIM + eSIM

Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

User feedback from various tech communities highlights the distinct strengths of these two smartphones. The Galaxy S21 5G is frequently praised for its ergonomic size and the flexibility of its triple-camera system, though some users note that its battery life has become less competitive over time. Conversely, the iPhone 15 Plus receives high marks for its strong battery endurance and large, bright display, with the main criticism being the lack of a high refresh rate screen found on other modern devices.

Users who prioritise a compact, lightweight phone that is easy to navigate with one hand and offers dedicated zoom capabilities will find the Galaxy S21 5G fits their needs well. On the other hand, those who value a large screen for media, long-lasting battery performance, and a longer window of software updates will likely prefer the iPhone 15 Plus. For those looking to make a sustainable choice, opting for an eco-friendly alternative like a refurbished model is a responsible way to access these technologies. Ultimately, the decision rests on whether you prefer the customisation and compact nature of the Samsung or the longevity and large-screen experience of the iPhone.

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