Galaxy S21+ 5G vs iPhone 16

The Samsung Galaxy S21 Plus 5G, released in January 2021, and the Apple iPhone 16, launched in September 2024, represent different generations and operating systems in the smartphone landscape. While the Galaxy S21 Plus 5G offers a robust Android experience with a large display, the iPhone 16 provides Apple's latest iOS innovations, an updated processor, and enhanced camera capabilities. These differences cater to distinct user preferences regarding software ecosystem, performance, and device longevity.

When considering the practical lifespan of these devices, their release timelines and software support policies are key differentiators.

• Release Timeline: The Galaxy S21 Plus 5G was released in January 2021, making it an older device compared to the iPhone 16, which launched in September 2024. This age difference directly impacts their remaining software support.
• OS Support Duration: The Galaxy S21 Plus 5G has reached the end of its major software update cycle, having received four major Android OS updates up to Android 15, with security updates concluding around November 2025. In contrast, the iPhone 16, running on iOS 18 at launch, is expected to receive major iOS updates for several more years, typically 5-7 years from its release. This provides the iPhone 16 with a significantly longer period of official software support and access to new features.
• Practical Lifespan: Both devices feature durable builds with Gorilla Glass Victus on the S21 Plus 5G and Ceramic Shield on the iPhone 16, alongside IP68 water and dust resistance. However, the extended software longevity of the iPhone 16 means it will remain compatible with the latest applications and security protocols for a longer duration, potentially extending its practical usability.

The performance of these two smartphones is influenced by their respective processors and operating system optimizations, leading to different user experiences in daily tasks.

• Processor Capabilities: The Galaxy S21 Plus 5G is powered by a 2021-era flagship processor, which was capable of handling demanding applications and multitasking smoothly at its release. The iPhone 16, featuring Apple's A18 chip, offers a more current-generation processor designed for enhanced efficiency and raw processing power. This translates to faster app loading times, smoother transitions, and more robust performance in graphically intensive games and advanced applications on the iPhone 16.
• Multitasking and Responsiveness: Both devices are designed for efficient multitasking. The Galaxy S21 Plus 5G, with 8GB of RAM, manages multiple applications effectively. The iPhone 16, with its optimized iOS environment and powerful chip, provides a highly responsive user experience, ensuring applications run fluidly even under heavy load.
• Storage Options: The Galaxy S21 Plus 5G typically offers 128GB or 256GB of internal storage. The iPhone 16 also comes with various storage configurations, starting from 128GB, providing ample space for apps, photos, and videos.

The visual experience on both devices is delivered through high-quality displays, though with some distinctions in technology and specifications.

• Display Technology and Size: The Galaxy S21 Plus 5G features a 6.7-inch Dynamic AMOLED 2X display, known for its vibrant colors and deep blacks. The base iPhone 16 comes with a 6.1-inch Super Retina XDR OLED display, also offering excellent contrast and color accuracy. Users preferring a larger screen for media consumption or productivity might lean towards the S21 Plus 5G, or the larger iPhone 16 Plus model.
• Resolution and Clarity: The S21 Plus 5G has a resolution of 2400 x 1080 pixels, resulting in a pixel density of approximately 394 PPI. The iPhone 16 offers a resolution of 2556 x 1179 pixels on its 6.1-inch display, yielding a higher pixel density of around 460 PPI, which contributes to sharper text and images.
• Refresh Rate and Brightness: The Galaxy S21 Plus 5G boasts an adaptive 120Hz refresh rate, providing a smoother scrolling and gaming experience, along with a peak brightness of 1300 nits for good outdoor visibility. The base iPhone 16 typically features a 60Hz refresh rate, while offering high brightness levels for clear viewing in various lighting conditions.

Both smartphones offer capable camera systems designed to capture high-quality photos and videos, though with different approaches and features.

• Rear Camera System: The Galaxy S21 Plus 5G includes a versatile triple-camera setup with a 12MP wide, 12MP ultrawide, and a 64MP telephoto lens offering 3x hybrid optical zoom. The iPhone 16 features a dual-camera system, typically comprising a 48MP main wide lens and a 12MP ultrawide lens, with a focus on computational photography enhancements.
• Photography Performance: The S21 Plus 5G provides a flexible system for various shooting scenarios, including good low-light performance and detailed zoom capabilities. The iPhone 16's camera system benefits from Apple's latest image processing, delivering improved detail, dynamic range, and low-light performance, along with a new vertical camera layout for spatial video capture.
• Video Recording and Audio: Both devices are capable of high-quality video recording. The S21 Plus 5G can record up to 8K video. The iPhone 16 offers advanced video features and stabilization, known for its consistent video quality. Both phones provide clear microphone quality for calls and recordings, and deliver a good media consumption experience through their speakers.