The Mi 13 and Apple Waterproof are both excellent phones, but they have different levels of water resistance. Apple's iPhone 13 series is IP68-rated and can stay underwater for up to 30 minutes without damage. The Mi 13, on the other hand, has an IP54-rated waterproof design and can stay underwater for up to 1 meter for 30 minutes without damage. Therefore, if you need a higher waterproof rating, then you can choose the Apple iPhone 13 series.
The Apple is more waterproof
Apple is a true waterproof mobile phone, it has IP67 waterproof and dustproof function, can maintain effective protection in water depths of up to 1 meter, prevent moisture and dust from entering the inside of the phone, to prevent equipment damage