I couldnt find the exact price of the iPhone 15 Pro Max 512GB from the search results. However, I can tell you that the iPhone 15 Pro and 15 Pro Max are made with better materials, including 100% recycled aluminum in the internal structural frame, 100% recycled cobalt in the battery, and 100% recycled copper foil in the main logic board and MagSafe inductive charger. The iPhone 15 Pro Max is also splash, water, and dust resistant and was tested under controlled laboratory conditions with a rating of IP68 under IEC standard 60529 (maximum depth of 6 meters up to 30 minutes) . The phone features a Super Retina XDR display, 6.7‑inch (diagonal) all‑screen OLED display, 2796‑by‑1290-pixel resolution at 460 ppi, and ProMotion technology with adaptive refresh rates up to 120Hz. The iPhone 15 Pro Max also has a 3D sensor‑shift optical image stabilization and autofocus for video (5x Telephoto), digital zoom up to 15x, and audio zoom. The phone is free of harmful substances like beryllium, brominated flame retardants, PVC, phthalates, arsenic in the display glass, and mercury.