According to the general situation, the size of the 14 and 13 phone cases should be different. Since different phone models may have different design and size requirements, their phone case sizes may vary. If you want an exact answer, it is recommended that you consult the relevant phone specifications or consult the phone manufacturer or seller for accurate information.
Not enough information is provided to answer this question. In general, the size and shape of different phone models may vary, so whether 14 and 13 phone cases are the same size depends on the specific phone model.