Both phones come with Apple A15 bionic chip but the new iPhone 14 comes with 5 core GPU whereas iPhone 13 has 4 core GPU.
iPhone 14 and iPhone 13 both have exact same display which is a 6.1-inch 252x1170 resolution OLED display.
Both phones come with the same camera setup but there are some changes in the aperture and iPhone 14 has new features.
iPhone 14 comes with some new features like Photonic Engine, Action mode, and a front camera have an f/1.9 aperture.
In battery department iPhone 14 comes with slightly higher video playback and support same 20W fast charging.
There is a price difference of 10k between these two, the iPhone 13 is priced at 69,900, and the iPhone 14 is priced at 79,900.
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