5 Crazy Things You Did Not Know the iPhone 18 Pro Can Do With Apple’s A20 Pro Chip

Every year Apple puts a new chip in its iPhone and every year we all nod along at the "40 percent faster" slide without really feeling what it means. This year is different, because the A20 Pro is the first phone chip built on a 2nm process, its top cores run at nearly 5GHz, and on the benchmark that matters most for everyday speed it beats every Android flagship going, some by close to 40 percent. And, of course, the iPhone 18 Pro and 18 Pro Max are running it alongside the Duo.

But raw numbers are boring. What I actually wanted to know is what this chip lets you do that your current phone simply cannot. So I went through the specs, the leaked benchmarks and what Apple has confirmed, and pulled out five things that genuinely made me sit up. A couple of them are shipping now. A couple are the chip being ready before the software fully catches up, and I have been honest about which is which, because you deserve that.

5 Crazy Things You Did Not Know You Can Do on the iPhone 18 Pro

Photo Credit: Apple

1. Prove a photo is real in an age when nothing looks real anymore

Here is the one nobody is talking about, and it might be the most important thing on this list. We have reached the point where anyone can generate a fake photo that looks completely convincing. So how does a real photograph prove it is real?

The A20 Pro's answer is a feature called Apple Reference Image. When you shoot, the chip's doubled Neural Engine, which Apple says handles twice the AI work of last year's, creates a signed, tamper-proof version of the original photo at the moment of capture. Think of it as a birth certificate for your image. If someone later edits it or claims your photo is AI-generated, there is a cryptographically sealed original to point to.

For journalists, for anyone selling something online, for a person who just wants their memories to count as evidence of something that actually happened, this is quietly huge. And it only works because the iPhone 18 Pro is fast enough to do that signing and processing right as you press the shutter, without you waiting.

Photo Credit: Apple

2. Run a real AI chatbot with your internet switched off

Most of the AI on your phone today is a trick of connectivity. Ask Siri or ChatGPT something clever and your words fly off to a data centre, get answered, and fly back. Turn off your mobile data and most of that intelligence vanishes.

The A20 Pro changes where the thinking happens. With its 32-core Neural Engine and 50 percent more memory bandwidth than last year, the iPhone 18 Pro can run a genuinely capable AI model, up to around 7 to 8 billion parameters, entirely on the device itself, with the internet completely off. On a flight, in a basement, on the Delhi Metro between stations, the AI keeps working, typing out answers at a readable speed, and nothing you ask ever leaves the device.

That last part is the underrated bit. An AI that runs on-device is an AI that cannot leak what you asked it, because your questions never travelled anywhere. Privacy stops being a promise and becomes a fact of the hardware.

3. Play games with the kind of lighting that used to need a console

For years, mobile games faked their lighting. Shadows were painted on, reflections were approximations, because calculating how light actually bounces around a scene was too much for a phone.

The A20 Pro has dedicated ray-tracing hardware, the real thing, the same category of tech that lights up a PS5. Paired with Apple's MetalFX, which cleverly renders a scene at a lower resolution and uses AI to reconstruct a sharp, high-resolution image in real time, the iPhone 18 Pro gives you console-style ray-traced lighting on a phone, with reflections and shadows that behave like real light.

The honest caveat: do not expect a locked, perfect 4K experience on day one, because that depends on game developers doing the work, and the most demanding titles will still make trade-offs. But the 40 percent faster GPU and, crucially, the new cooling that stops the iPhone 18 Pro throttling mean the effects can actually run for a whole session, not just for the first thrilling three minutes before your phone turns into an grill.

Photo Credit: Apple

4. Game hard for an hour without the iPhone 18 Pro cooking itself

This one sounds less flashy than the others and is secretly the most useful, because it fixes the thing that ruins every powerful phone. Speed you cannot sustain is useless. Most phones hit a big benchmark number for thirty seconds, then quietly slow themselves down to avoid overheating, and your smooth game turns into a stutter.

Apple did something clever in the plumbing. On the A20 Pro it moved the memory out from on top of the chip and set it beside the silicon, out of the heat's path, and connected it all to a redesigned vapour chamber with roughly three times the cooling surface. The result Apple claims is up to 40 percent better sustained performance, which is the number that actually matters. It means the iPhone 18 Pro holds its speed through a long gaming session, a long export, a long anything, instead of giving you a burst and then backing off.

5. Edit video with the kind of muscle that used to mean a laptop

The iPhone 18 Pro shoots in ProRes RAW, the same heavyweight format professional cinema cameras use, up to 4K120. That is a colossal amount of visual data, the sort of footage that normally forces you onto a desktop with a serious graphics card.

The A20 Pro carries a dedicated video engine built to handle ProRes in hardware, and combined with that 50 percent jump in memory bandwidth, the iPhone 18 Pro has the raw capability to scrub, colour-grade and export this footage the way a laptop does, without first creating shrunken stand-in copies to make the editing manageable.

The honest caveat here matters: the full desktop-grade editing app for this, DaVinci Resolve, currently lives on the iPad rather than the iPhone. So the iPhone 18 Pro is the camera that captures this cinema-grade footage, and today the iPad is where you cut it. But the chip in your pocket has the muscle, and the moment the software lands, that muscle is waiting.

Photo Credit: Apple

So what does all this actually add up to

Strip away the gigahertz and the core counts, and the A20 Pro is really about one shift. The things we used to send away to a data centre or a laptop, the AI thinking, the heavy video, the real lighting, are moving onto the device in your hand. Some of it is here today, some of it is the hardware sitting ready for the software to arrive.

Either way, the gap between what a phone can do and what a computer can do just got a lot narrower, and for the first time in a while, the iPhone 18 Pro is genuinely ahead of what we are asking of it.