iPhone 12 Pro Max • Unlocked vs iPhone 15 • Locked AT&T

The iPhone 12 Pro Max, released in November 2020, and the iPhone 15, launched in September 2023, represent different generations within Apple's smartphone lineup. While both devices operate on Apple's iOS ecosystem, the iPhone 15 introduces a more modern design, an updated camera system, and enhanced internal components compared to the larger, older Pro Max model. This comparison will highlight the practical differences to help users determine which device best suits their needs.

When considering the longevity of a smartphone, factors such as software support, physical durability, and repairability play a significant role. The iPhone 12 Pro Max and iPhone 15 offer different timelines and features in these areas.

• Software Longevity: The iPhone 15, being a newer device, is expected to receive iOS updates for a longer period than the iPhone 12 Pro Max. The iPhone 12 Pro Max was released in November 2020, while the iPhone 15 was released in September 2023. This difference in release dates means the iPhone 15 will likely benefit from an additional two to three years of major software updates, extending its functional lifespan.
• Physical Durability: Both models feature a Ceramic Shield front cover, designed to offer enhanced drop performance. The iPhone 12 Pro Max has a stainless steel frame, while the iPhone 15 uses an aluminum design with a color-infused glass back. Both devices carry an IP68 rating for splash, water, and dust resistance, allowing submersion up to 6 meters for 30 minutes.
• Repairability: The iPhone 15 has shown improvements in repairability compared to earlier models, with some reports indicating a higher repairability score than previous generations. The iPhone 12 Pro Max received a repairability score of six out of ten from iFixit at its launch.

The performance of a smartphone is largely determined by its internal processing capabilities and how efficiently it manages power for daily tasks and demanding applications. The iPhone 12 Pro Max and iPhone 15 offer distinct experiences in this regard.

• Processing Power: The iPhone 15 features a more recent generation processor, which translates to faster app loading times, smoother multitasking, and more efficient handling of graphically intensive games and applications. The iPhone 12 Pro Max, while still capable, uses an older generation processor.
• Battery Behavior: The iPhone 12 Pro Max is known for its extended battery life, with users reporting it can last more than 48 hours between charges with moderate use. The iPhone 15, despite having a smaller physical battery capacity, benefits from a more power-efficient processor and software optimizations, leading to a full day of use for most users. Some users have reported varying battery performance on the iPhone 15, depending on usage patterns.
• Storage and Responsiveness: Both devices offer similar storage configurations, typically ranging from 128GB to 512GB. The newer processor in the iPhone 15 contributes to overall system responsiveness, making interactions feel more immediate and fluid, especially when navigating the operating system or switching between multiple applications.

The visual experience on a smartphone is primarily defined by its display technology, resolution, and brightness. Both the iPhone 12 Pro Max and iPhone 15 feature high-quality OLED displays, but with some notable differences.

• Display Technology and Clarity: Both models utilize Super Retina XDR OLED displays, offering deep blacks, vibrant colors, and excellent contrast ratios. The iPhone 12 Pro Max has a larger 6.7-inch display, while the iPhone 15 features a 6.1-inch display. Both displays offer a resolution that results in approximately 460 pixels per inch, providing sharp and clear visuals.
• Brightness and Outdoor Visibility: The iPhone 15 offers higher peak brightness levels, especially for outdoor use, reaching up to 2000 nits. The iPhone 12 Pro Max has a peak HDR brightness of 1200 nits and a typical maximum brightness of 800 nits. This increased brightness on the iPhone 15 can improve screen visibility in bright sunlight.
• Refresh Rate and Features: Both the iPhone 12 Pro Max and the standard iPhone 15 models feature a 60Hz refresh rate. A key difference in the viewing experience is the iPhone 15's adoption of the Dynamic Island, which replaces the traditional notch found on the iPhone 12 Pro Max, offering a more integrated and interactive display area for alerts and background activities.

The camera systems on both the iPhone 12 Pro Max and iPhone 15 are designed to capture high-quality images and videos, though they approach this with different hardware and computational photography capabilities.

• Rear Camera System: The iPhone 12 Pro Max features a triple-camera setup with 12MP wide, ultra-wide, and telephoto lenses, along with a LiDAR scanner for improved low-light autofocus and augmented reality. The iPhone 15 has an advanced dual-camera system, highlighted by a 48MP main camera that can capture super-high-resolution photos and offers a 2x telephoto option, alongside a 12MP ultra-wide camera.
• Low-Light and Everyday Photography: The iPhone 15 benefits from a larger main sensor and more advanced computational photography features, which generally lead to improved low-light performance and better detail retention in various lighting conditions. The iPhone 12 Pro Max also offers strong low-light capabilities, particularly with its larger sensor and sensor-shift optical image stabilization on the wide lens.
• Video Recording and Audio: Both devices support 4K video recording at up to 60 frames per second. The iPhone 15 includes features like Photonic Engine and Smart HDR 5, enhancing overall image and video quality. Both phones provide good microphone quality for calls and video recording, and their stereo speakers offer a clear media consumption experience.