iPhone 15 • Locked AT&T vs OnePlus 12 • Unlocked

The iPhone 15, released in September 2023, and the OnePlus 12, which saw its global launch in January 2024, represent distinct approaches to the modern smartphone. While both devices offer premium experiences, they cater to different user preferences through their respective operating systems and hardware philosophies. The iPhone 15 operates on Apple's iOS, emphasizing a streamlined user experience and ecosystem integration, whereas the OnePlus 12 runs on Android with OxygenOS, known for its customization and performance-centric features. Key differentiators include their display technologies, camera systems, and overall design aesthetics.

When considering the long-term usability of these devices, several factors contribute to their expected lifespan, including software support, physical resilience, and repairability.

• Release Timeline and Software Support: The iPhone 15, launched in September 2023, benefits from Apple's reputation for extended software support, typically receiving major iOS updates for five to six years from its release. It launched with iOS 17 and is compatible with iOS 26. The OnePlus 12, released globally in January 2024, runs on Android 14 with OxygenOS 14, with OxygenOS 15 (based on Android 15) having rolled out in November 2024, and OxygenOS 16 (Android 16) expected in November 2025. Android flagships generally receive three to four major OS updates and four to five years of security updates.
• Physical Durability: The iPhone 15 features an aluminum frame, a Ceramic Shield front cover, and a color-infused glass back, offering robust protection. It carries an IP68 rating for water and dust resistance, capable of withstanding submersion up to 6 meters for 30 minutes. The OnePlus 12 is constructed with an aluminum frame, Gorilla Glass Victus 2 on the front, and a glass back. It holds an IP65 rating, indicating protection against dust and low-pressure water jets.
• Repairability: The iPhone 15 initially received a repairability score of 4 out of 10, which was later promoted to 7 out of 10 due to software changes that allow users to calibrate parts directly on the device. While specific iFixit scores for the OnePlus 12 are not as widely publicized, teardowns highlight its internal design, including a robust cooling system.

Both smartphones are equipped with powerful internal components designed to handle demanding applications and multitasking, though they achieve this with different hardware architectures.

• Processing Power: The iPhone 15 is powered by a capable processor that ensures smooth operation across applications, efficient handling of graphics-intensive tasks, and responsive system performance. The OnePlus 12 features a current-generation processor engineered for high-performance computing, making it well-suited for intensive gaming, complex computations, and seamless multitasking.
• Memory and Storage: The iPhone 15 comes with 6GB of RAM, which contributes to its fluid multitasking capabilities and app responsiveness within the iOS environment. Storage options include 128GB, 256GB, and 512GB. The OnePlus 12 offers more substantial RAM configurations, with global variants typically featuring 12GB or 16GB, and some regions offering up to 24GB, providing extensive headroom for numerous applications running simultaneously. Its storage options range from 256GB to 1TB.
• Battery Behavior: The iPhone 15 is designed to offer up to 20 hours of video playback, providing reliable power for a full day of typical use. The OnePlus 12 is equipped with a larger battery capacity, often translating to extended usage times, particularly for heavy users, and features an advanced cooling system to maintain performance during prolonged use.

The visual experience on both devices is a highlight, with each offering a high-quality display tailored to different preferences in size, resolution, and refresh rate.

• Display Technology and Size: The iPhone 15 features a 6.1-inch Super Retina XDR OLED display, known for its deep blacks, vibrant colors, and excellent contrast. The OnePlus 12 boasts a larger 6.82-inch ProXDR LTPO AMOLED display, offering an expansive viewing area.
• Resolution and Brightness: The iPhone 15 provides a resolution of 2556x1179 pixels, resulting in sharp images and text, with a peak outdoor brightness of up to 2000 nits for clear visibility in bright conditions. The OnePlus 12 offers a higher QHD+ resolution of 3168x1440 pixels, delivering exceptional clarity, and features an impressive peak brightness of up to 4500 nits, ensuring outstanding outdoor visibility and HDR content reproduction.
• Refresh Rate: The iPhone 15 maintains a standard 60Hz refresh rate, providing a consistent visual experience. The OnePlus 12 incorporates an adaptive refresh rate that dynamically adjusts from 1Hz to 120Hz, contributing to smoother scrolling and more fluid animations while optimizing power consumption.

Both smartphones offer advanced camera systems, each with unique strengths in capturing photos and videos, alongside distinct audio capabilities.

• Rear Camera Systems: The iPhone 15 is equipped with a dual-camera system featuring a 48MP main sensor with sensor-shift optical image stabilization and a 12MP ultrawide lens. It also offers a 2x telephoto option through its main sensor, providing versatility for different shooting scenarios. The OnePlus 12 features a versatile triple-camera setup, co-developed with Hasselblad, including a 50MP main sensor with optical image stabilization, a 48MP ultrawide lens, and a 64MP periscope telephoto lens capable of 3x optical zoom.
• Photography and Video Features: The iPhone 15 excels in everyday photography, producing detailed images with accurate color reproduction and strong low-light performance. It supports 4K video recording at up to 60 frames per second. The OnePlus 12's camera system is designed for a broad range of photographic styles, offering enhanced detail and color science from its Hasselblad collaboration, and is capable of recording video in 8K resolution from its main camera.
• Audio Experience: Both devices feature stereo speakers, providing a rich audio experience for media consumption. The OnePlus 12 further enhances its audio with Dolby Atmos support, aiming for an immersive soundstage.