Apple recently unveiled the iPhone 18 Pro and iPhone 18 Pro Max, featuring a new Main camera with a variable aperture, new Pro camera controls, the A20 Pro chip, and more. With the foldable iPhone Duo now sitting above them in the lineup, the two Pro models are no longer the most expensive iPhones Apple sells, but they remain the most fully-featured traditional iPhones available.
The iPhone 18 Pro starts at $1,199 and the iPhone 18 Pro Max starts at $1,299. Both see a $100 increase over the equivalent iPhone 17 Pro models, and the increases grow steeper further up the storage ladder, with a 1TB iPhone 18 Pro now costing $300 more than a 1TB iPhone 17 Pro did last year.
Both phones have the same OLED Super Retina XDR always-on display with ProMotion and the Dynamic Island, the A20 Pro chip, 5G connectivity, a 48 megapixel Pro Fusion camera system, and the same four color options. Both are also offered in the same four storage tiers, including a 2TB option that is available on the smaller Pro model for the first time. Although the two phones share the vast majority of features, there are eight differences between the devices.
Our guide highlights the crucial differences between the iPhone 18 Pro and iPhone 18 Pro Max, and helps to answer the question of how to decide which of these two iPhone models is best for you. Both models share the same thickness of 0.34 inches (8.75 mm), but otherwise have very different sizes and weights.
| iPhone 18 Pro | iPhone 18 Pro Max | |
|---|---|---|
| Height | 5.91 inches (150.0 mm) | 6.43 inches (163.4 mm) |
| Width | 2.83 inches (71.9 mm) | 3.07 inches (78.0 mm) |
| Weight | 7.44 ounces (211 grams) | 8.78 ounces (249 grams) |
Other differences essentially come down to display size and battery life. As was the case last year, there are no camera differences between the two devices at all for this generation, with the variable aperture Fusion Main camera and the new manual Pro controls appearing on both models.
| iPhone 18 Pro | iPhone 18 Pro Max |
|---|---|
| 6.3-inch display | 6.9-inch display |
| 2622-by-1206-pixel resolution | 2868-by-1320-pixel resolution |
| 4,056 mAh battery | 5,391 mAh battery |
| Up to 36-hour video playback | Up to 45-hour video playback |
| Up to 33-hour streamed video playback | Up to 40-hour streamed video playback |
| Apple C2 modem in all countries | Apple C2 modem outside the U.S., Qualcomm modem in the U.S. |
Apple does not advertise battery capacities on its product pages, but energy labels published in Europe confirm the exact figures for models that retain a SIM card tray. The capacities above apply to those models. eSIM-only versions, including all iPhones sold in the United States, have slightly larger cells because there is no tray taking up internal space, and Apple has not yet disclosed those figures.
Apple lists its own C2 modem in the iPhone 18 Pro in every country, but the iPhone 18 Pro Max only uses the C2 outside the United States. U.S. units of the larger model instead contain a Qualcomm modem, and iOS code seen points to the same radio used in last year's iPhone 17 Pro models, which would make it the Snapdragon X80.
The C2 supports both sub-6GHz and mmWave 5G, as the Qualcomm part does, and Apple says it is faster and more energy efficient than the C1X while adding AI-driven improvements to cellular quality and reliability. Real-world comparisons will not be possible until reviewers test both radios on the same networks. The clearest hint that the hardware genuinely differs is in the band listings, where the U.S. iPhone 18 Pro supports LTE Band 106 and the U.S. iPhone 18 Pro Max does not.
Pricing is also a key area of difference, with the iPhone 18 Pro Max reaching $2,499 when configured with 2TB of storage.
| 256GB | 512GB | 1TB | 2TB | |
|---|---|---|---|---|
| iPhone 18 Pro | $1,199 | $1,399 | $1,799 | $2,399 |
| iPhone 18 Pro Max | $1,299 | $1,499 | $1,899 | $2,499 |
The iPhone 18 Pro Max represents the most you can get out of a traditional iPhone with the best possible battery life, but that does not necessarily translate into a worthwhile purchase for all users. At 8.78 ounces (249 grams), it is heavier than any iPhone Pro Max that came before it, and with a 6.9-inch display it is a large and hefty device.
Some may find the iPhone 18 Pro Max's size excessive or uncomfortably large to hold, while others will love the larger display for consuming media. Screen size is ultimately a matter of personal preference, and since the iPhone 18 Pro and iPhone 18 Pro Max share all of their other features, it comes down to individual taste.
Battery life is the one area where the gap between the two models has widened meaningfully this year. The iPhone 18 Pro Max gained six additional hours of video playback over the iPhone 17 Pro Max, while the iPhone 18 Pro gained three. The result is a nine-hour advantage for the larger model, up from six hours in the previous generation. If getting through a long day without reaching for a charger is your priority, the case for the Pro Max is more persuasive than it has been for some time.
The added $100 in price for the iPhone 18 Pro Max seems fair for its additional display area and battery life, but it is important to weigh up these factors in your personal use-case. That $100 premium holds at every storage tier, so the larger model never becomes proportionally more expensive as capacity rises. Both devices become costly quickly with added storage, though, and the 1TB and 2TB tiers now carry surcharges that are considerably steeper than in previous years.
U.S. buyers have one extra factor to bear in mind. Choosing the iPhone 18 Pro Max in the United States means giving up Apple's own modem, and while the day-to-day difference is likely to be very small, it is an unusual position for the more expensive device to be in. If you specifically want the C2 and you are buying in the U.S., the smaller model is the only way to get it.
The most important decision point when choosing between the iPhone 18 Pro and iPhone 18 Pro Max is undoubtedly screen size, but comfort, pocketability, weight, battery life, and now the modem are also important considerations that will depend based on your preferences. If you are hesitant about the size and weight of the iPhone 18 Pro Max, it may be better to stick with the iPhone 18 Pro, which no longer forces you to give up the largest storage option to get the smaller body. If size is not a concern, the iPhone 18 Pro Max is otherwise unlikely to disappoint, especially if price is not an issue.
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