Yes, the USB4 C-To-C Cable is compatible with all iPhone 15 models. Charging and video output work with every iPhone 15 model. Data speed depends on the model:

• iPhone 15 and iPhone 15 Plus: limited to USB 2.0 speeds
• iPhone 15 Pro and iPhone 15 Pro Max: USB 3.2 Gen 2 speeds, up to 10Gbps

For all confirmed devices, see the Device Compatibility article.