Galaxy S10 • Unlocked vs Galaxy S21 FE 5G • Unlocked

The Samsung Galaxy S10, released in March 2019, and the Samsung Galaxy S21 FE 5G, launched in January 2022, represent different generations within Samsung's smartphone lineup. Both are Android-based devices, but the S21 FE 5G offers a more contemporary hardware foundation and extended software support. Key differentiators include the S21 FE 5G's faster refresh rate display and 5G connectivity, while the S10 retains features like a headphone jack and expandable storage.

The practical lifespan of these devices is significantly influenced by their release dates and subsequent software support.

• Release Timeline: The Galaxy S10 was released in 2019, making it an older device. The Galaxy S21 FE 5G, launched in 2022, benefits from a more recent introduction.
• Software Longevity: The Galaxy S10 received its last major Android OS update with Android 12 and ceased receiving regular security updates for most models by March 2023. In contrast, the Galaxy S21 FE 5G is expected to receive major OS updates until early 2027 (up to Android 16) and security updates for a longer period, aligning with Samsung's extended support policy for newer devices.
• Repairability: Both models feature glass and metal constructions with an IP68 rating for dust and water resistance. However, the Galaxy S10 received a low repairability score of 3 out of 10 from iFixit due to extensive use of adhesive and a soldered charging port, making common repairs challenging. Information on the S21 FE 5G's specific repairability score is less detailed, but modern smartphone designs generally present similar challenges.

Performance differences between these two models are noticeable, particularly in demanding applications and multitasking, reflecting the generational gap in their internal components.

• Everyday Responsiveness: The Galaxy S21 FE 5G, with its newer internal architecture, handles demanding applications, complex games, and heavy multitasking with greater fluidity and speed compared to the Galaxy S10. Users will experience faster app loading times and smoother frame rates in graphically intensive games on the S21 FE 5G.
• Battery Behavior: The Galaxy S10 features a 3400mAh battery, which for many users provided a full day of moderate use. The Galaxy S21 FE 5G comes with a larger 4500mAh battery. However, some users report that the S21 FE 5G's battery life can be inconsistent, with heavy usage sometimes requiring a charge before the end of the day, possibly due to its power-hungry processor and 120Hz display.
• Storage and RAM: Both devices offer various storage options, typically starting at 128GB. The Galaxy S10 includes a microSD card slot for expandable storage, a feature absent in the S21 FE 5G. Both generally come with 6GB or 8GB of RAM, which is sufficient for smooth multitasking in their respective generations.

Both devices offer vibrant displays, but there are distinct differences in their technology and user experience.

• Display Technology and Resolution: Both phones utilize Dynamic AMOLED technology, providing deep blacks and vibrant colors. The Galaxy S10 features a higher resolution (1440p) on its 6.1-inch display, resulting in a higher pixel density. The Galaxy S21 FE 5G has a slightly larger 6.4-inch display with a 1080p resolution. While the S10 has a sharper display on paper, the difference in sharpness is often subtle in daily use for most content.
• Refresh Rate and Smoothness: A key differentiator is the S21 FE 5G's 120Hz refresh rate, which delivers a noticeably smoother scrolling experience and more fluid animations compared to the S10's standard 60Hz display. This makes the S21 FE 5G particularly appealing for users who prioritize a highly responsive visual experience, such as mobile gamers or those who frequently scroll through content.
• Brightness and Viewing Experience: Both displays offer good brightness levels for outdoor visibility. The S21 FE 5G's slightly larger screen provides a more expansive viewing area, which can enhance media consumption and gaming.

Both smartphones feature versatile camera systems, but the newer S21 FE 5G incorporates advancements in image processing and sensor technology.

• Rear Camera System: Both devices are equipped with triple-camera setups. The Galaxy S10 typically includes a 12MP main, 12MP telephoto (2x optical zoom), and 16MP ultrawide lens. The Galaxy S21 FE 5G features a 12MP main, 8MP telephoto (3x optical zoom), and 12MP ultrawide lens.
• Photography Performance: The S21 FE 5G generally shows improvements in low-light photography, capturing brighter and clearer images with less noise than the S10. The S10's camera was praised for its vibrant, Instagram-ready colors and good detail in well-lit conditions. The S21 FE 5G also offers enhanced image processing algorithms.
• Video Recording and Front Camera: Both can record high-resolution video, with the S21 FE 5G offering more advanced stabilization and features for smoother footage. The S21 FE 5G features a higher-resolution 32MP front camera, providing more detailed selfies and clearer video calls compared to the S10's 10MP front camera.