Galaxy S9 • Unlocked vs iPhone 8 • Unlocked

The Samsung Galaxy S9, released in March 2018, and the Apple iPhone 8, launched in September 2017, represent flagship smartphones from their respective manufacturers during that era. While both devices offer a premium experience, they cater to different preferences through their distinct operating systems and hardware philosophies. The Galaxy S9 features a more expansive, curved display and a camera system with a unique variable aperture, whereas the iPhone 8 maintains a classic design with a focus on consistent performance and a streamlined user experience.

When considering the long-term usability of these devices, their release timelines and subsequent software support are key factors. The Galaxy S9, being slightly newer, initially benefited from a longer period of major Android updates compared to the iPhone 8's iOS update cycle.

• Software Longevity: The iPhone 8, running on iOS, typically received major operating system updates for approximately five to six years from its release, extending its software support well into the 2020s. The Galaxy S9, an Android device, generally received major Android version updates for about two to three years, with security updates continuing for a longer period.
• Repairability: The iPhone 8 received a repairability score of 6 out of 10 from iFixit, indicating that its display and battery are relatively accessible for replacement, though the glass back presents a challenge due to strong adhesive. The Galaxy S9 scored lower at 4 out of 10, primarily due to its extensive use of adhesive and glass construction, making repairs, especially for the display and battery, more complex and difficult.
• Practical Lifespan: Both devices, due to their age, are now past their prime for receiving the latest software features. However, their robust build quality means that with proper care and potential battery replacements, they can continue to function reliably for essential tasks, offering a sustainable choice for users seeking quality-assured refurbished options.

The performance of both the Galaxy S9 and iPhone 8 was considered top-tier at their respective launches, delivering smooth operation for everyday tasks and demanding applications. Their approaches to internal hardware, however, reflect their different ecosystems.

• System Responsiveness: The iPhone 8, powered by its proprietary chip, offered exceptional speed and efficiency, ensuring applications launched quickly and multitasking felt fluid. Users often noted its ability to handle graphically intensive games and complex applications without significant slowdowns. The Galaxy S9, equipped with a powerful current-generation processor for its time, also provided a highly responsive experience, adept at managing multiple applications simultaneously and running demanding software smoothly.
• Storage and Multitasking: The Galaxy S9 offered storage options up to 256GB and featured a microSD card slot for expandable storage up to 400GB, providing significant flexibility for users with large media libraries or extensive app collections. It came with 4GB of RAM, which supported efficient multitasking. The iPhone 8 was available with up to 256GB of internal storage but lacked expandable storage. Its 2GB of RAM, combined with iOS's memory management, allowed for effective multitasking for most users.
• Battery Behavior: Both devices generally provided a full day of moderate use on a single charge when new, though heavy usage could necessitate a midday top-up. The Galaxy S9 featured a 3000 mAh battery, while the iPhone 8 had an 1821 mAh battery. Despite the difference in capacity, optimized software on both platforms aimed to maximize endurance.

The visual experience on these two smartphones presented a clear distinction, primarily due to their underlying display technologies and design philosophies.

• Display Technology and Clarity: The Galaxy S9 featured a 5.8-inch Super AMOLED display with a resolution of 2960x1440 pixels, resulting in a very sharp and vibrant image with deep blacks and excellent contrast. Its curved 'Infinity Display' design offered an immersive viewing experience with minimal bezels. The iPhone 8 utilized a 4.7-inch Retina HD IPS LCD display with a resolution of 1334x750 pixels. While not as high-resolution as the S9, it delivered accurate color reproduction and good viewing angles.
• Brightness and Outdoor Visibility: The Galaxy S9's Super AMOLED panel was capable of reaching high brightness levels, peaking around 864 nits, which contributed to good visibility even in bright outdoor conditions. The iPhone 8's LCD screen offered a maximum typical brightness of 625 nits, providing adequate visibility in most outdoor scenarios.
• Refresh Rate and Viewing Experience: Both devices featured a standard 60Hz refresh rate, providing a smooth experience for typical scrolling and video playback. The Galaxy S9's larger, curved display and higher resolution made it particularly well-suited for media consumption and immersive content, while the iPhone 8's more compact, flat screen was often preferred by users who valued one-handed usability and a traditional smartphone form factor.

Both the Galaxy S9 and iPhone 8 offered capable camera systems for their time, designed to capture high-quality photos and videos in various conditions, though with different strengths.

• Rear Camera Capabilities: The Galaxy S9 featured a 12-megapixel rear camera with a unique variable aperture (f/1.5 and f/2.4), allowing it to adapt to different lighting conditions by letting in more light in dim environments. It excelled in low-light photography, producing bright images with reduced noise. It also supported 4K video recording at 60 frames per second and super slow-motion video at 960 frames per second. The iPhone 8 also had a 12-megapixel rear camera with an f/1.8 aperture and optical image stabilization. It was praised for its consistent image quality, accurate color reproduction, and fast shutter speed in good lighting. It also supported 4K video recording at 60 frames per second and 1080p slow-motion at 240 frames per second.
• Front Camera and Video: The Galaxy S9 included an 8-megapixel front camera, suitable for selfies and video calls. The iPhone 8 featured a 7-megapixel front camera with an f/2.2 aperture, capable of 1080p HD video recording. Both provided good quality for everyday front-facing camera use.
• Audio Experience: The Galaxy S9 offered stereo speakers tuned by AKG, providing a more immersive audio experience for media consumption. The iPhone 8 featured stereo speakers as well, delivering clear and balanced sound. Both devices provided good microphone quality for calls and video recording.