All iPhone 15 Models Support DisplayPort for Up to 4K HDR Video Output to External Display
The new iPhone 15, iPhone 15 Plus, iPhone 15 Pro, and iPhone 15 Pro Max all support DisplayPort for up to 4K HDR video mirroring and video output to an external display or TV, according to Apple's tech specs for the devices.
DisplayPort support is built into the USB-C port on all iPhone 15 models, meaning that the devices can output video at up to 4K/60Hz natively to a DisplayPort-equipped external display or TV with a supported USB-C to DisplayPort cable. Alternatively, you can use Apple's $69 USB-C Digital AV Multiport Adapter to mirror video from any iPhone 15 to an HDMI-equipped TV or display at up to 4K/60Hz, but HDR is not supported this way.
On previous iPhones with a Lightning port, video mirroring is limited to 1080p with Apple's Lightning-to-HDMI or Lightning-to-VGA adapters.
Unfortunately for fans of the Stage Manager feature on select iPad models, the iPhone does not yet offer an extended display mode.
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Top Rated Comments
Notably, there are dedicated USB 2.0 data lines on the USB Type-C connector that are always available, no matter the configuration of the high-speed differential pairs.
So in this case Apple just had to connect their existing USB 2.0 interface to those dedicated pins and run the new DisplayPort interface to the high-speed differential pairs.
For the 15 Pro models, it may actually more complicated since they might need to add multiplexers to switch the differential pair lines between the SuperSpeed interface and the DisplayPort interface as appropriate.
This picture shows the USB Type-C pinout. The blue TX and RX pins are the high-speed differential pairs, and the green D+/D- pins are the USB 2.0 lines.
Think about it: A17 Pro chip, 8GB Ram, up to 1TB storage, USB 3 speeds... hook it up to a 4k display, with a USB-C hub you could also use a wired keyboard + mouse while charging the device.
I've been dreaming of the 1-device-for-everything solution for a while. I think specs-wise, we're almost there. The only thing we'd still need would be support for custom display resolutions, and better mouse support.
USB Type-C is the connector. USB 2 is the protocol.
Granted, it is still a dick move by Apple. The spec clearly supports simultaneous USB 3.1 with DP 4K@60. Apple is just deliberately deprecating down to USB 2.0 bc they want you to buy the Pro.
I love this calm before the storm time between keynote and Friday’s pre-order opening. Where features slowly trickle out, things begin to take greater shape, make a little more sense. lrefect example of the sum being greater than its parts unfolding.