iPhone 18 Pro Max Specs
Every official iPhone 18 Pro Max specification in one table — dimensions, display, chip, cameras, battery, connectivity, and build — plus what the numbers mean in everyday use.
Data last updated September 10, 2026 · Specs from Apple.com iPhone 18 Pro specs · Market prices are not stored on this page; check live listings before deciding
iPhone 18 Pro Max full specifications
Official figures, grouped. Dimensions in millimetres, weight in grams.
| Dimensions & build | |
| Height | 163.4 mm |
| Width | 78.0 mm |
| Depth | 8.75 mm |
| Weight | 249 g |
| Frame / back | Aluminum / ceramic |
| Water resistance | IP68 |
| Colors | Black, Silver, Glacier, Burgundy |
| Display | |
| Size | 6.9-inch OLED (Super Retina XDR) |
| Resolution | 2868 × 1320 (460 ppi) |
| Refresh rate | ProMotion 120Hz (adaptive) |
| Brightness | up to 1000 nits typical |
| Always-on | Yes |
| Notch | Dynamic Island |
| Performance | |
| Chip | A20 Pro (6-core CPU, 7-core GPU) |
| Storage | 256 / 512 GB / 1 TB |
| Apple Intelligence | Supported |
| Camera | |
| Main | 48MP, f/1.4-f/2.8 variable, OIS |
| Ultrawide | 48MP |
| Telephoto | 48MP, 5x optical zoom (8x optical-quality crop) |
| Front | 18MP Center Stage |
| Max video | 4K at 120fps |
| LiDAR | Yes |
| Camera Control | Yes |
| Battery & charging | |
| Video playback | up to 45 hours |
| Wired charging | 60W capable (USB-C, 40W adapter) |
| MagSafe | Yes, 25W |
| Connectivity & features | |
| 5G / Wi-Fi / Bluetooth | 5G, Wi-Fi 7, Bluetooth 6.0 |
| Port | USB-C |
| Biometrics | Face ID |
| Other | Action Button, Crash Detection, satellite SOS |
| Pricing | |
| Launch price (256GB) | $1,299 (2026) |
| Refurbished market | Check live graded listings |
What the specs mean in daily use
At 163.4 mm tall and 249 g, the iPhone 18 Pro Max is unambiguously a large, two-handed phone — the biggest iPhone in the current lineup. That size comes with real benefits: the largest display Apple makes at 6.9 inches, and a class-leading 45 hours of video playback that comfortably covers multi-day trips without a charger in easy reach.
The A20 Pro chip with its 7-core GPU handles ProRes, Apple Intelligence, and sustained gaming better than the A19 Pro in the 17 Pro Max. The triple 48MP system adds a variable-aperture main (ƒ/1.48–ƒ/4.0) alongside the 5x telephoto and ultrawide, with LiDAR and 4K/120fps Dolby Vision video.
The ProMotion 120Hz always-on display is a quality-of-life upgrade that's hard to give up once you've used it — glanceable time and notifications without waking the screen. The ceramic back is a tactile step up from glass. The main tradeoff is size and weight: 249 g is heavy, and the wide footprint may not work one-handed. If you want Pro specs in a smaller body, look at the iPhone 18 Pro.
iPhone 18 Pro Max: buy, sell & compare
iPhone 18 Pro Max specs FAQ
What are the dimensions of the iPhone 18 Pro Max?
163.4 mm tall, 78.0 mm wide, 8.75 mm thick, 249 g, with a 6.9-inch OLED display — the largest iPhone available, making it a two-handed device that delivers the biggest screen and longest battery life in the lineup.
What chip and battery does it have?
The A20 Pro chip (6-core CPU, 7-core GPU) and up to 45 hours of video playback, charging at up to 60W capable over USB-C and 25W MagSafe.
What is the screen size, resolution, and does it have ProMotion?
6.9-inch OLED at 2868×1320 (460 ppi), up to 1000 nits, with ProMotion 120Hz adaptive refresh rate, always-on display, and Dynamic Island.
How much storage does it come in and what does it cost?
256GB, 512GB, and 1TB. Launched at $1,299 (256GB); check live graded listings for current refurbished availability and warranty terms. No expandable storage.
Thinking about the iPhone 18 Pro Max?
Compare live refurbished listings by grade, storage, warranty, and return policy, or compare it against the rest of the lineup.