The iPhone 18 Pro and iPhone 18 Pro Max are officially here, bringing some expected rounds of upgrades over the previous generation. Like a bigger battery, a new variable aperture camera, an upgraded Siri with Apple Intelligence and an array of exciting colour options. So how do these new phones differ from each other? Let's find out in this detailed iPhone 18 Pro vs 18 Pro Max comparison.
iPhone 18 Pro vs iPhone 18 Pro Max: Design
- The iPhone 18 Pro and 18 Pro Max feature a familiar design with an aluminium chassis
- Both devices have the toughened Cermaic Shield 2 glass on the front for display protection
- The iPhone 18 Pro Max is naturally bigger and heavier, even more than the iPhone 17 Pro
Apple has not changed the design of the iPhone 18 Pro and the iPhone 18 Pro Max from last year's models. They are completely identical, featuring the same large camera bar on the back and an aluminium body, moving away from the titanium builds of the iPhone 15 Pro and iPhone 16 Pro era.
The iPhone 18 Pro measures 8.75 mm thick and weighs 211 grams. While the iPhone 18 Pro Max is 8.75 mm in width and 249 grams. This makes the iPhone 18 Pro Max the heaviest iPhone out there.
On the front, both devices have Apple's new Ceramic Shield 2 glass display protection. It offers better scratch and crack resistance than the standard Ceramic Shield. Plus, both the iPhone 18 Pro and iPhone 18 Pro Max are IP68-rated for dust and water resistance, and there's a USB-C 3.2 port on the bottom.
The new iPhone 18 Pro colours are: Burgundy, Black, Glacier, and Silver. Burgundy is the new hero shade. It is a deep, wine-red finish that looks noticeably different depending on the lighting around it. The colour options stay the same across both the Pro and the Pro Max models.
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iPhone 18 Pro vs iPhone 18 Pro Max: Display
- Both iPhone 18 Pro and Pro Max have a 6.3-inch Super Retina XDR LTPO OLED display
- The base iPhone 18 Pro has a 6.3-inch screen, while the 18 Pro Max gets a bigger 6.9-inch panel
- Both displays run at 120 Hz with ProMotion and support Dolby Vision playback
Display size is the most obvious differentiator in this iPhone 18 Pro vs iPhone 18 Pro Max comparison. The Pro model comes with a 6.3-inch screen, while the Pro Max stands out with a 6.9-inch display. Both phones use a Super Retina XDR LTPO OLED panel with a 120 Hz refresh rate.
This year, Apple has significantly shrunk the Dynamic Island pill at the top, leaving more room for the screen. As a result, you can now switch between 3 live activities in the Dynamic Island instead of 2. Watching movies and content should also feel less obtrusive on these new iPhones.
The iPhone 18 Pro and the 18 Pro Max go a step further with Dolby Vision support for HDR content, making them the better pick if you spend a lot of time watching video content on your phone.
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iPhone 18 Pro vs iPhone 18 Pro Max: Processor
- Both the iPhone 18 Pro and iPhone 18 Pro Max are powered by the new Apple A20 Pro chipset
- The A20 Pro is built on a 2 nm process, the first for any Apple chipset
- Both phones come with 12 GB of RAM and a starting 256 GB storage
The performance gets a big upgrade on the iPhone 18 Pro and the 18 Pro Max. Both phones run on the new Apple A20 Pro chipset, built on a 2 nm manufacturing process. Apple has also added a larger vapour chamber cooling, which helps keep thermals at bay. All this brings 40% gains in sustained performance over the Apple A19 Pro processor used in the 17 Pro.
Both phones ship with 12 GB RAM and 256 GB NVMe SSD storage. The higher RAM powers new Siri AI features, like the ability to customise Siri's voice. Given how much heavier Apple Intelligence has become with iOS 27, this higher RAM and the efficiency jump should matter just as much as raw speed for everyday battery life.
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iPhone 18 Pro vs iPhone 18 Pro Max: Software
- Both the iPhone 18 Pro and iPhone 18 Pro Max ship with iOS 27 out of the box
- iOS 27 brings a major Apple Intelligence overhaul, headlined by the new Siri AI
- The new Siri can understand on-screen content and hold natural, back-and-forth conversations
Both the iPhone 18 Pro and iPhone 18 Pro Max have launched with iOS 27, which brings the most significant Apple Intelligence update since the feature debuted in 2024 with the iPhone 16 series.
Siri finally gets its own app where you can ask questions, similar to ChatGPT. It can understand context, carry a conversation and let you ask about images or what's going on on your screen. Siri is also in the Camera app to scan food labels and other items, and it can create Shortcuts with simple prompts only.
These features are also coming to India, as Apple continues expanding language support for these AI features, which is an important factor given how many users here rely on regional language input.
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iPhone 18 Pro vs iPhone 18 Pro Max: Cameras
- The iPhone 18 Pro and iPhone 18 Pro Max share an identical 48 MP triple camera setup
- Apple is introducing a new variable aperture on the main camera, ranging from f/1.48 to f/4.0
- There's an 18 MP selfie camera on the front of both iPhone 18 Pro models
Coming to the camera hardware of the iPhone 18 Pro and the iPhone 18 Pro Max, both come with the same 48 MP main, 48 MP 5x telephoto and 48 MP ultrawide cameras at the back.
The headline addition to this year's iPhone 18 Pro devices is a new mechanical variable aperture on the main camera, letting the lens shift between f/1.48, f/1.8, f/1.2.8, and f/4.0 apertures depending on the shot. The 4 levels of aperture change are something we have never seen on any iPhone before.
This should translate into a real difference in low-light photography and depth-of-field control, closer to what you'd get from a dedicated mirrorless camera.
There's also an 18 MP selfie camera on the front that lets you record horizontal videos without rotating your iPhone and supports Centre Stage too.
On the video side, both phones support Dolby Vision recording up to 4K @ 120 FPS Dolby Vision, along with full Apple Log support, which should offer more flexibility to colour grade footage.
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iPhone 18 Pro vs iPhone 18 Pro Max: Battery and Charging
- The iPhone 18 Pro Max is rated for up to 45 hours of video playback with its bigger battery
- In comparison, the iPhone 18 Pro is rated for up to 36 hours of video playback
- Both phones support 60W wired charging and 25W wireless charging via MagSafe
Battery life is the major difference between the Pro and the Pro Max models. While Apple does not disclose the official battery capacity, it rates the iPhone 18 Pro for up to 36 hours of video playback, compared with up to 30 hours on the smaller iPhone 18 Pro.
Meanwhile, the iPhone 18 Pro Max can deliver 45 hours of video playback, which is almost double the battery life of the iPhone 15 Pro. Charging speeds remain identical across both phones: 60W wired and 25W wireless through MagSafe, so neither phone has an advantage in outright charging speed.
iPhone 18 Pro vs iPhone 18 Pro Max Verdict: Which One Should You Buy?
Before we discuss the verdict of our iPhone 18 Pro and the iPhone 18 Pro Max comparison, let's take a rundown of their specs again.
| Specification | iPhone 18 Pro | iPhone 18 Pro Max |
|---|---|---|
| Display | 6.3-inch, Super Retina XDR OLED, 120 Hz | 6.9-inch, Super Retina OLED XDR, 120 Hz |
| Processor | A20 Pro (2 nm) | A20 Pro (2 nm) |
| RAM and Storage | 12 GB, 256 GB | 12 GB, 256 GB |
| Rear Cameras | 48 MP Main (variable aperture) + 48 MP Ultrawide + 48 MP Telephoto | 48 MP Main (variable aperture) + 48 MP Ultrawide + 48 MP Telephoto |
| Front Camera | 18 MP | 18 MP |
| Battery | Up to 36 hours of video playback, 60W wired | Up to 45 hours of video playback, 60W wired |
| Build | Ceramic Shield 2, Aluminium, IP 68 | Ceramic Shield 2, Aluminium, IP 68 |
| Software | iOS 27 | iOS 27 |
| Colours | Burgundy, Black, Glacier, Silver | Burgundy, Black, Glacier, Silver |
| Starting Price in India | Rs 1,64,900 | Rs 1,79,900 |
Choosing between the iPhone 18 Pro and the iPhone 18 Pro Max comes down to whether you want a bigger phone or not. Given that the core experience, chip, cameras, and software are identical across both phones, you're not sacrificing performance or capability by picking the smaller iPhone 18 Pro.
If you want the biggest iPhone display and the longest battery life, the iPhone 18 Pro Max is worth the extra cost, particularly if you use your phone as your primary device for streaming, gaming, or content creation.
But if you'd rather have a phone that's easier to use one-handed, the standard iPhone 18 Pro remains just as capable and a little lighter in your pocket.
