iPhone 12 • Unlocked vs iPhone X • Unlocked

The iPhone 12, released in 2020, and the iPhone X, launched in 2017, represent different generations of Apple's smartphone evolution. While both devices operate on iOS, the iPhone 12 introduces a more modern design, enhanced processing capabilities, and significant camera improvements compared to the iPhone X, which pioneered many of Apple's contemporary design elements.

When considering the longevity of these devices, their respective release timelines and ongoing software support are key factors.

• Release Timeline: The iPhone X was released in November 2017, making it a significantly older device compared to the iPhone 12, which launched in October 2020. This age difference directly impacts the duration of software updates and overall practical lifespan.
• OS Support: The iPhone X shipped with iOS 11 and received updates up to iOS 16, but it does not support iOS 17 or higher due to hardware limitations. In contrast, the iPhone 12 shipped with iOS 14 and is compatible with iOS 18, with expected support extending to iOS 26. This means the iPhone 12 offers several more years of software updates, providing access to the latest features and security enhancements.
• Repairability: Both the iPhone X and iPhone 12 received a repairability score of 6 out of 10 from iFixit, indicating a moderate level of repairability. For the iPhone X, the display and battery are noted as relatively easy to replace. However, for the iPhone 12, while components are modular, Apple's system configuration requirements for certain parts like cameras and screens can complicate independent repairs.

The performance of a smartphone is largely determined by its internal components, influencing how smoothly applications run and how efficiently tasks are handled.

• Processor Capabilities: The iPhone 12 features a newer generation processor, which translates to noticeably faster performance and greater energy efficiency compared to the iPhone X's processor. This allows the iPhone 12 to handle demanding applications and multitasking with greater responsiveness.
• Multitasking and Responsiveness: The iPhone 12 typically comes with 4GB of RAM, while the iPhone X has 3GB of RAM. This difference in memory contributes to the iPhone 12's ability to manage more applications simultaneously without slowdowns, offering a smoother user experience when switching between tasks.
• Battery Behavior: The iPhone 12 has a slightly larger battery capacity than the iPhone X (2,815 mAh vs. 2,716 mAh). Coupled with its more efficient processor, the iPhone 12 generally offers improved battery stamina, with Apple quoting longer video playback times. However, the iPhone 12's 5G connectivity, when actively used, can consume more power.

Both devices feature OLED display technology, offering vibrant visuals, but there are distinctions in their overall screen quality and viewing experience.

• Display Technology and Clarity: Both the iPhone X and iPhone 12 utilize OLED (Organic Light-Emitting Diode) technology, branded as Super Retina HD and Super Retina XDR respectively. This technology provides deep blacks and high contrast ratios. The iPhone 12's Super Retina XDR display offers enhanced color accuracy and brightness.
• Resolution and Brightness: The iPhone X has a 5.8-inch display with a resolution of 2436 x 1125 pixels at 458 ppi. The iPhone 12 features a larger 6.1-inch display with a resolution of 2532 x 1170 pixels at 460 ppi. The iPhone 12 also boasts higher typical and peak brightness levels, making it more visible in bright outdoor conditions and enhancing HDR content viewing.
• Refresh Rate and Viewing Experience: Both models feature a standard 60Hz refresh rate. The iPhone 12's larger screen size and improved brightness contribute to a more expansive and immersive viewing experience for media consumption and general use.

The camera systems on both iPhones offer capable photography and videography, but the iPhone 12 introduces several advancements.

• Rear Camera System: Both devices feature dual 12MP rear camera systems. The iPhone X includes a wide-angle lens with an f/1.8 aperture and a telephoto lens with an f/2.4 aperture, both with optical image stabilization. The iPhone 12 upgrades the main wide-angle lens to an f/1.6 aperture, allowing it to capture more light, which improves low-light performance. It also includes an ultra-wide lens with a 120° field of view.
• Photography Features: The iPhone 12 introduces Night mode, Deep Fusion, and Smart HDR 3, significantly enhancing image quality in various lighting conditions and improving detail and dynamic range. While the iPhone X offers Portrait mode and Portrait Lighting, it lacks these more advanced computational photography features.
• Video Recording and Front Camera: Both support 4K video recording at up to 60 frames per second. The iPhone 12 further enhances video with HDR recording with Dolby Vision. For the front camera, the iPhone X has a 7MP TrueDepth camera, while the iPhone 12 features a 12MP TrueDepth camera with Night mode and Deep Fusion capabilities, offering improved selfie quality, especially in challenging light.