Galaxy S21 5G • Unlocked vs iPhone 12 • Unlocked

Galaxy S21 5G • Unlocked
Galaxy S21 5G • Unlocked
Starting at

Refurbished price:$126.99

Versus $1,000.00 new

See options
iPhone 12 • Unlocked
iPhone 12 • Unlocked
Starting at

Refurbished price:$173.00

Versus $629.00 new

See options

Ratings

The Samsung Galaxy S21 5G, released in January 2021, and the Apple iPhone 12, launched in October 2020, are both prominent smartphones from their respective manufacturers. While both devices offer 5G connectivity and robust performance, they differ significantly in their operating systems, camera systems, and display technologies. The Galaxy S21 5G runs on Android, offering a customizable experience, whereas the iPhone 12 operates on Apple's iOS, known for its integrated ecosystem.

Scores

Durability

When considering the longevity of these devices, both the Galaxy S21 5G and the iPhone 12 offer several years of software support, though their timelines differ due to their respective ecosystems.

  • Software Updates: The iPhone 12, released in October 2020, typically receives major iOS updates for 5-7 years and security updates for 6-8 years, potentially extending its usability until 2027-2030 for security patches. The Galaxy S21 5G, launched in January 2021, was promised four years of major Android OS updates and five years of security updates. Its last major OS update is likely Android 15 (One UI 7), with security updates expected to conclude around January or February 2026.
  • Physical Durability: Both devices feature robust builds. The iPhone 12 incorporates a Ceramic Shield front cover and an aluminum frame, offering enhanced drop performance. The Galaxy S21 5G uses Gorilla Glass Victus on the front and an aluminum frame, with a plastic back. Both are rated IP68 for dust and water resistance.
  • Expected Lifespan: Users can expect several years of practical use from either device. The iPhone 12 generally offers a longer period of major software updates, which can be a factor for users prioritizing the latest features and security. The Galaxy S21 5G, while having a slightly shorter major OS update cycle, still provides a substantial period of support.

Release Year

2021

2020

Last OS Compatibility

Yes

Yes

OS

Android

iOS

Foldable

No

No

Performance

Both the Galaxy S21 5G and the iPhone 12 deliver strong performance for everyday tasks, though they approach it with different hardware and software optimizations.

  • Processing Power: The iPhone 12 is equipped with a powerful chip that ensures smooth navigation, quick app launches, and efficient handling of demanding applications and games. The Galaxy S21 5G features a current-generation processor that provides a responsive user experience, capable of managing multitasking and graphically intensive tasks without significant slowdowns.
  • Memory and Storage: The Galaxy S21 5G typically comes with 8GB of RAM, which aids in keeping multiple applications open and switching between them fluidly. The iPhone 12 has 4GB of RAM, but iOS's memory management allows it to maintain a comparable level of multitasking efficiency. Both devices offer various internal storage options, starting from 64GB or 128GB, suitable for most users' app and media needs.
  • Battery Behavior: The Galaxy S21 5G houses a 4000 mAh battery, generally providing a full day of use for moderate users, though heavy usage, especially with the 120Hz display, may require more frequent charging. The iPhone 12 has a 2815 mAh battery, which for many users provides sufficient power for a day, but some users have noted that its battery life is less robust compared to previous iPhone models or when heavily utilizing 5G.

Memory

8 GB

4 GB

Screen quality

The display is a primary interaction point for any smartphone, and both the Galaxy S21 5G and iPhone 12 offer high-quality viewing experiences with distinct characteristics.

  • Display Technology and Resolution: The iPhone 12 features a 6.1-inch Super Retina XDR OLED display, providing deep blacks, vibrant colors, and a resolution of 1170 x 2532 pixels, resulting in a sharp 460 pixels per inch (ppi). The Galaxy S21 5G sports a 6.2-inch Dynamic AMOLED 2X display with a resolution of 1080 x 2400 pixels, offering 421 ppi. Both technologies deliver excellent contrast and color accuracy.
  • Refresh Rate and Brightness: A key difference lies in the refresh rate; the Galaxy S21 5G boasts an adaptive 120Hz refresh rate, which makes scrolling and animations appear smoother and more fluid. The iPhone 12 maintains a standard 60Hz refresh rate. In terms of brightness, both offer high peak brightness for HDR content, with the Galaxy S21 5G reaching up to 1300 nits and the iPhone 12 up to 1200 nits, ensuring good visibility even in bright outdoor conditions.
  • Viewing Experience: The slightly larger screen of the Galaxy S21 5G, combined with its higher refresh rate, can offer a more immersive and responsive experience for media consumption and gaming. The iPhone 12's OLED display, while at 60Hz, is still highly regarded for its color fidelity and clarity, providing a premium viewing experience for general use.

Resolution

1080 x 2400

1170 x 2532

Screen type

Dynamic AMOLED 2X

Super Retina XDR OLED

Audiovisual

Both smartphones offer capable camera systems designed to capture high-quality photos and videos, though they differ in their hardware configurations and photographic approaches.

  • Rear Camera Systems: The Galaxy S21 5G features a versatile triple-camera setup on the rear, including a 12MP wide-angle lens, a 12MP ultra-wide lens, and a 64MP telephoto lens capable of 3x hybrid optical zoom. This provides flexibility for various shooting scenarios, from expansive landscapes to distant subjects. The iPhone 12 comes with a dual-camera system, comprising a 12MP wide-angle lens and a 12MP ultra-wide lens.
  • Photography Performance: The Galaxy S21 5G is praised for its excellent camera quality, particularly its ultrawide lens and features for different video modes. It also offers 8K video recording. The iPhone 12's camera system is known for its consistent image processing, producing photos with natural colors and strong low-light performance through features like Night mode. It excels in video recording, offering 4K HDR video with Dolby Vision.
  • Front Camera and Audio: Both devices include capable front-facing cameras for selfies and video calls; the Galaxy S21 5G has a 10MP front camera, while the iPhone 12 features a 12MP TrueDepth camera. For audio, both provide stereo speakers for media consumption.

Main camera

12 megapixels

12 megapixels

Front camera

10 megapixels

12 megapixels

Miscellaneous

Beyond core performance and display, several other features contribute to the overall user experience and practical utility of these smartphones.

  • Connectivity and Ports: Both the Galaxy S21 5G and iPhone 12 support 5G connectivity, Wi-Fi 6, and Bluetooth 5.0 (iPhone 12) or 5.2 (Galaxy S21 5G), ensuring fast wireless communication. The Galaxy S21 5G uses a USB-C port for charging and data transfer, a widely adopted standard. The iPhone 12 utilizes Apple's proprietary Lightning port. The iPhone 12 also introduced MagSafe, a magnetic system for accessories and wireless charging.
  • Biometric Security: The Galaxy S21 5G features an in-display fingerprint sensor for secure unlocking and authentication. The iPhone 12 relies on Face ID, Apple's facial recognition system.
  • Design and Handling: The Galaxy S21 5G measures 151.7 x 71.2 x 7.9 mm and weighs 169g (sub6), offering a comfortable in-hand feel. The iPhone 12 is slightly more compact and lighter at 146.7 x 71.5 x 7.4 mm and 164g, with a flat-edged design that marked a return to an earlier iPhone aesthetic.

Weight

7 oz

6 oz

Screen size (inches)

6.2

6.1

Network

5G

5G

SIM card

Physical SIM + eSIM

Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

The Samsung Galaxy S21 5G and iPhone 12, while both excellent smartphones, cater to slightly different user preferences and priorities. User feedback for the Galaxy S21 5G often highlights its vibrant 120Hz AMOLED display, versatile camera system with a dedicated telephoto lens, and the flexibility of the Android operating system. Some users have noted that while the battery life is generally good for moderate use, heavy users might find themselves charging more frequently. The plastic back on the standard S21 was also a point of discussion for some, though others found it practical.

For the iPhone 12, common praise centers on its sleek design, the introduction of an OLED display, its powerful performance, and the consistent quality of its camera, particularly for video recording. The MagSafe feature was also well-received for its convenience. Criticisms sometimes point to the 60Hz refresh rate compared to some Android counterparts and a battery life that, while adequate, might not satisfy the most demanding users.

Users prioritizing a highly customizable Android experience with a smoother, high refresh rate display and a dedicated telephoto camera might lean towards the Galaxy S21 5G. Its in-display fingerprint sensor also offers a different biometric authentication method. Conversely, those who prefer the integrated ecosystem and long-term software support of iOS, a compact design, and exceptional video recording capabilities may find the iPhone 12 more suitable. Its Face ID system provides a secure and convenient unlocking method.

Both devices represent solid choices in the smartphone market, and considering a quality-assured refurbished option for either can be an eco-friendly alternative to purchasing new.

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