Galaxy S21 FE 5G Vs Galaxy S25+

The Samsung Galaxy S21 FE 5G, released in early 2022, and the Samsung Galaxy S25 Plus, a flagship model from early 2025, represent different generations within Samsung's smartphone lineup. Both devices operate on the Android platform, offering a familiar user experience. The primary distinctions lie in the S25 Plus's more recent advancements in processing power, camera capabilities, and display technology, reflecting several years of technological evolution.

The practical lifespan of these devices differs primarily due to their respective release dates and Samsung's software update policies.

• Software Longevity: The Galaxy S21 FE, launched with Android 12, is expected to receive major OS updates up to Android 16 and security updates until early 2027. The Galaxy S25 Plus, launching with Android 15, benefits from Samsung's extended support, promising major OS updates up to Android 22 and security updates until early 2032.
• Physical Durability: Both models feature an IP68 rating for dust and water resistance. The S21 FE utilizes Gorilla Glass Victus on the front and a plastic back, while the S25 Plus incorporates more advanced Gorilla Glass on both the front and back, often paired with a robust frame material, offering enhanced scratch and drop resistance.
• Expected Practical Lifespan: Users prioritizing the latest software and long-term security will find the S25 Plus offers a significantly longer supported life. The S21 FE remains a capable device for several more years, though its software support window is closing sooner.

Performance differences between these two models are notable, reflecting the generational gap in their internal components.

• Processing Power: The Galaxy S21 FE handles everyday tasks, multitasking, and most applications smoothly. The Galaxy S25 Plus, equipped with a much newer generation processor, offers substantially faster app loading, smoother transitions, and more efficient handling of demanding applications and advanced AI features.
• Multitasking and Responsiveness: The S25 Plus typically includes more RAM, contributing to a more fluid experience when switching between multiple applications and managing complex tasks. The S21 FE provides a responsive experience for typical daily usage.
• Battery Behavior: The S21 FE features a 4500 mAh battery, providing decent battery life for moderate users, often lasting a full day. The S25 Plus houses a larger 4900 mAh battery, which, combined with a more power-efficient processor and adaptive display technology, generally results in extended usage times, often exceeding a full day even with heavier use.

Both devices offer vibrant displays, but the S25 Plus introduces several enhancements for a more refined visual experience.

• Display Technology and Clarity: Both phones feature Dynamic AMOLED 2X displays with a 120Hz refresh rate, providing smooth scrolling and responsive visuals. However, the S25 Plus boasts a higher resolution of 3120x1440 pixels on its 6.7-inch screen, resulting in a sharper image with a higher pixel density compared to the S21 FE's 2340x1080 pixels on a 6.4-inch display.
• Brightness and Outdoor Visibility: The S25 Plus offers significantly higher peak brightness, reaching up to 2600 nits, which greatly improves visibility in bright outdoor conditions. The S21 FE's display, with peak brightness around 800 nits, is still clear in most outdoor scenarios but may struggle more under direct sunlight.
• Adaptive Refresh Rate: The S25 Plus features an adaptive refresh rate (LTPO) that can scale from 1Hz to 120Hz, optimizing power consumption by adjusting the refresh rate based on content. The S21 FE maintains a fixed 120Hz or 60Hz setting, which can be less power-efficient.

The camera systems on both devices are capable, but the S25 Plus offers more advanced hardware and processing for improved image and video capture.

• Main Camera Performance: The Galaxy S21 FE features a capable 12MP main sensor that produces good photos in well-lit conditions. The Galaxy S25 Plus typically includes a higher-resolution 50MP main sensor with a larger sensor size and optical image stabilization (OIS), leading to superior detail, better low-light performance, and improved dynamic range.
• Versatility and Zoom: Both devices offer ultrawide lenses. The S21 FE includes an 8MP telephoto lens with 3x optical zoom. The S25 Plus often features an enhanced 10MP telephoto lens, also with 3x optical zoom and OIS, providing more flexibility for distant subjects and clearer zoomed shots.
• Video Recording and Audio: The S25 Plus supports 8K video recording at 30 frames per second, a feature not available on the S21 FE, which maxes out at 4K@60fps. Both offer good microphone quality for calls and recording, and stereo speakers for media consumption.