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Galaxy S21 FE 5G • Unlocked vs iPhone Air • Unlocked

  • 1-year warranty
  • Free standard shipping
  • Free 30-day returns
Galaxy S21 FE 5G • Unlocked
Starting at

Refurbished price:$112

Versus $699.99 new

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iPhone Air • Unlocked
Starting at

Refurbished price:$489

Versus $1,099.00 new

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Differences at a glance

The Samsung Galaxy S21 FE 5G (released in 2022) and the Apple iPhone Air (released in 2025) represent entirely different generations and philosophies in smartphone design. While the Galaxy S21 FE serves as a fan-focused Android device prioritizing balanced everyday features, the iPhone Air introduces an ultra-slim profile running Apple's iOS ecosystem. These two devices diverge significantly in release timeline, operating systems, and physical design concepts.

Available Models

Color

Storage (GB)

Scores

Durability

When examining longevity, these two smartphones differ substantially due to their release dates and respective manufacturer support lifecycles.

  • Release timeline and software support: The Galaxy S21 FE launched earlier and runs on the Android operating system, with a finite window of remaining software updates. The iPhone Air arrived several years later, running iOS, and benefits from a much longer remaining software support window.
  • Repairability and durability: Both models utilize robust outer shells, though the iPhone Air incorporates advanced aerospace-grade materials in an extremely thin chassis. The Galaxy S21 FE features a reinforced plastic back paired with an aluminum frame, which absorbs drops effectively during daily handling.

Release Year

2022

2025

Last OS Compatibility

Yes

Yes

OS

Android

iOS

Foldable

No

No

Performance

Processing capabilities and daily user experiences vary notably between the two handsets based on their internal hardware configurations.

  • Everyday responsiveness and multitasking: Both devices handle standard communication apps, web browsing, and media streaming smoothly. The iPhone Air benefits from a significantly newer, high-efficiency processor that excels in demanding applications and heavy multitasking environments.
  • Battery behavior and storage: The Galaxy S21 FE includes a moderate battery capacity designed to handle a standard day of mixed use, whereas the iPhone Air balances its ultra-thin footprint with power-efficient internals. Both models offer multiple internal storage configurations to accommodate personal files and applications without expandable memory slots.

Screen quality

Visual output and display technologies offer distinct viewing experiences tailored to media consumption and outdoor readability.

  • Display technology and clarity: The Galaxy S21 FE features a vibrant flat OLED panel with crisp resolution and smooth refresh rates. The iPhone Air utilizes an expansive Super Retina XDR OLED display with advanced adaptive refresh rate technology and exceptionally high peak outdoor brightness.
  • Viewing experience: Both screens deliver deep contrast levels and rich colors suitable for reading, watching videos, and navigating interfaces under direct sunlight, though the iPhone Air provides a slightly larger canvas for media.

Resolution

1080 x 2340

2736x1260

Screen type

Dynamic AMOLED 2X

Super Retina XDR

Audiovisual

Optics and audio playback capabilities cater to users who enjoy capturing everyday moments and consuming media on the go.

  • Camera versatility: The Galaxy S21 FE provides a versatile multi-lens rear camera setup including telephoto optical zoom capabilities. Conversely, the iPhone Air streamlines photography with a single high-resolution rear sensor supported by advanced computational imaging software.
  • Audio and video output: Both smartphones deliver clear stereo sound for calls and media playback, while their video recording features include robust stabilization for handheld footage.

Main camera

12 megapixels

48 megapixels

Front camera

32 megapixels

18 megapixels

Miscellaneous

Physical dimensions, connectivity standards, and daily handling characteristics set these two models apart in practical use.

  • Dimensions and handling: The iPhone Air stands out for its remarkably thin profile and lightweight titanium build, making it effortless to slip into pockets. The Galaxy S21 FE offers a conventional, lightweight form factor with comfortable rounded edges.
  • Connectivity and ports: Both devices support modern 5G cellular networks, fast Wi-Fi standards, and Bluetooth connectivity. The Galaxy S21 FE relies on a USB-C port for charging and wired data transfer, while the iPhone Air also adopts a USB-C port in line with modern universal standards.

Weight

7 oz

185 oz

Screen size (inches)

6.4

6.5

Network

5G

5G

SIM card

Physical SIM

eSIM

Carrier compatibility

Unlocked

Unlocked

What the community thinks

User feedback highlights distinct preferences for each device depending on individual workflow requirements. Owners of the Galaxy S21 FE frequently praise its reliable screen size, comfortable ergonomics, and practical multi-lens camera system, though some users note that battery life requires more frequent charging under heavy daily loads. On the other hand, users of the iPhone Air highlight its striking lightweight feel and smooth system animations, while observing that the ultra-slim chassis leaves little room for physical expansion and relies entirely on digital eSIM technology.

Users prioritizing a traditional Android interface with expandable focal lengths will find the Galaxy S21 FE well-suited to their daily routines. Meanwhile, users preferring a lightweight iOS device with a modern ultra-slim profile may lean toward the iPhone Air. Exploring a quality-assured refurbished option provides an eco-friendly alternative for acquiring either model while reducing electronic waste. Ultimately, the right choice depends on personal ecosystem preferences and daily handling comfort.

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