iPhone 18 Pro Max Specs
Last updated
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.
Specs from Apple.com iPhone 18 Pro specs · Market prices are not stored on this page; check live listings before deciding
Size
iPhone 18 Pro Max size
- Height
- 163.4 mm6.43 in
- Width
- 78 mm3.07 in
- Depth
- 8.75 mm0.34 in
- Weight
- 249 g
- Screen
- 6.9"diagonal
Weight among iPhones we track
At 78 mm wide, this is a two-handed phone for most people. 249 g — heavier than 97% of iPhones we track.
Pick a comparison to overlay it at 2 px per mm — the same scale as the size tool. Front and side outlines are schematic; camera bumps are not modelled. Open the size comparison tool for any pair. Dimensions from Apple.
iPhone 18 Pro Max full specifications
Official figures, grouped. Dimensions in millimetres, weight in grams.
| Dimensions & build | |
|---|---|
| Height | 163.4 mm |
| Width | 78 mm |
| Depth | 8.75 mm |
| Weight | 249 g |
| Frame / back | aluminum / Ceramic Shield |
| Water resistance | IP68; IP68: maximum depth of 6 m up to 30 minutes under IEC 60529 |
| Colors | Black, Silver, Glacier, Burgundy |
| Display | |
| Size | 6.9-inch OLED; 6.86-inch standard rectangle |
| Resolution | 2868x1320 (460 ppi) |
| Refresh rate | 120Hz ProMotion |
| Brightness | 1,000 nits typical; 1,600 nits peak HDR; 3,000 nits peak outdoors |
| HDR display | Yes |
| True Tone | Yes |
| Always-on | Yes |
| Notch | Dynamic Island |
| Performance & software | |
| Chip | A20 Pro; 6-core CPU, 7-core GPU, 32-core Neural Engine |
| Storage | 256 GB · 512 GB · 1 TB · 2 TB |
| Apple Intelligence | Yes |
| Camera | |
| Main | 48MP, f/1.48, f/1.8, f/2.8, f/4.0 (variable aperture), OIS |
| Ultrawide | 48MP, f/2.2, 120° field of view |
| Telephoto | 48MP, 4x optical zoom |
| Front | 18MP 18MP Center Stage, f/1.9 |
| Max video | 4K/120fps |
| LiDAR | Yes |
| Night mode | Yes |
| Camera Control | Yes |
| Action Button | Yes |
| Front cameras | 18MP Center Stage, f/1.9 |
| Battery & charging | |
| Video playback | Up to 45 hours |
| Streamed video | Up to 40 hours |
| Audio playback | Not published |
| Fast charging | Up to 50% in around 15 minutes with a 60W-capable AVS adapter or higher; Apple specifies adapter capability, not a maximum device draw. |
| Apple fast-charge adapter requirement | 60W-or-higher adapter for Apple's fast-charge claim; maximum device draw not published |
| MagSafe / Qi2 | Yes, 25W |
| Qi | Wireless charging up to 25W |
| Connectivity & features | |
| 5G / Wi-Fi / Bluetooth | 5G, WiFi 7, Bluetooth 6.0 |
| Port | USB-C (USB 3, up to 10Gb/s) |
| Biometrics | Face ID |
| Other | Action Button, Camera Control, Crash Detection, satellite SOS |
| Apple lineup status | In Apple's current lineup, checked 2026-09-14 |
| Pricing | |
| Launch price (base storage) | $1,299 |
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. Apple specifies a 60W-or-higher adapter for fast charge (maximum device draw is not published) 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.