iPhone 13 have 3 sensors in front screen?

The various teardown websites usually have these details.

Off the top, the iPhone display is going to have a speaker, a microphone, a camera, a TrueDepth camera and sensor, an ambient light sensor, and a proximity sensor.

Apple has not indicated different models of iPhone 13 exist, past country-specific cellular differences: A2482 United States, A2631 Canada, Japan, Mexico, Saudi Arabia, A2634 China mainland, Hong Kong, Macao, A2635 Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia, and A2633 elsewhere.

The 13 and the 13 Pro are different.

Whether it’s a 13 or a pro, you will have the front camera, proximity sensor, and faceID sensor. You may not be able to see them all depending on the lighting conditions.