The iPhone 16 Pro Max introduces several key upgrades over the iPhone 15 Pro Max. Here are the main differences between the two models:

Display

• Size: The iPhone 16 Pro Max has a larger 6.9-inch display compared to the 6.7-inch screen on the iPhone 15 Pro Max. This makes it the largest iPhone display to date.
• Resolution: With the larger display, the iPhone 16 Pro Max also offers a higher resolution of 2,866 by 1,320, while maintaining the same pixel density of 460 pixels per inch.
• Bezels: Apple has minimized the bezels on the iPhone 16 Pro Max, making the larger screen fit more comfortably in hand​.

Camera

• Ultra-Wide Camera: The iPhone 16 Pro Max introduces a significant upgrade to the ultra-wide camera, boosting it to a 48-megapixel sensor compared to the 12-megapixel sensor in the iPhone 15 Pro Max. This enhancement allows for better detail capture and improved low-light performance.
• Video Recording: The iPhone 16 Pro Max also offers 4K video recording at 120fps, adding creative flexibility for slo-mo and cinematic scenes. It also introduces a new Camera Control button for quick camera access and setting adjustments.
• Main Camera: The main camera in the iPhone 16 Pro Max is renamed the "Fusion camera," but it remains largely similar to the one in the iPhone 15 Pro Max.

Processing and Performance

• Chipset: The iPhone 16 Pro Max is powered by the new A18 Pro chip, which is built on a second-gen 3-nanometer process. It boasts a 15% faster CPU and 20% improved GPU performance over the A17 Pro in the iPhone 15 Pro Max.
• Thermal Management: Enhanced internal design and thermal management in the iPhone 16 Pro Max reduce the risk of overheating during intensive tasks​.

Battery and Charging

• Battery Life: The iPhone 16 Pro Max offers an extended battery life of up to 33 hours of video playback, compared to 29 hours on the iPhone 15 Pro Max.
• MagSafe Wireless Charging: Faster MagSafe wireless charging at 25W is featured in the iPhone 16 Pro Max, a noticeable upgrade from the 15W in the iPhone 15 Pro Max​.

Connectivity

• Wi-Fi: The iPhone 16 Pro Max supports Wi-Fi 7, which offers higher data throughput speeds than Wi-Fi 6E on the iPhone 15 Pro Max.
• 5G Modem: A new Snapdragon X75 5G modem is included in the iPhone 16 Pro Max, consuming 20% less energy​.

Overall, the iPhone 16 Pro Max brings enhancements in display size, camera capabilities, processing power, and battery life, making it a substantial upgrade over the iPhone 15 Pro Max.