Published changes versus Apple iPhone 14 (2022) include a peak brightness change from 1200 nits to 2000 nits, a main camera resolution change from 12 MP to 48 MP, a chipset change from Apple A15 Bionic to Apple A16 Bionic and a body size change of +0.9 mm height and +0.1 mm width. These are specification differences, not measured real-world scores.

An upgrade is easiest to justify if you care about a peak brightness change from 1200 nits to 2000 nits, a main camera resolution change from 12 MP to 48 MP and a chipset change from Apple A15 Bionic to Apple A16 Bionic. If those areas already meet your needs on Apple iPhone 14 (2022), the move is optional rather than urgent.

Compared with Apple iPhone 14 (2022), the published camera changes are a main camera resolution change from 12 MP to 48 MP. That describes hardware differences only, not independent photo quality tests.

Versus Apple iPhone 14 (2022), the display changes are a peak brightness change from 1200 nits to 2000 nits. Higher refresh or brightness usually helps scrolling smoothness and outdoor visibility more than a small size change alone.

Published performance changes versus Apple iPhone 14 (2022) are a chipset change from Apple A15 Bionic to Apple A16 Bionic. That points to more compute headroom on paper; sustained speed still depends on thermals and software.

Launch pricing lists Apple iPhone 15 (2023) at the same $799 starting point as Apple iPhone 14 (2022). Storage or configuration differences can still change what you actually pay.

Apple iPhone 15 (2023) fits buyers who prefer a compact phone footprint, people moving up from Apple iPhone 14 (2022) and shoppers who do not need the higher-tier Plus extras. This is an editorial reading of size and published differences, not a personalized recommendation.

Keep Apple iPhone 14 (2022) if you do not need the listed generation changes. Moving to Apple iPhone 15 (2023) makes more sense when the listed upgrades match what you actually use.