I know that a 48 MP sensor has a high megapixel count, but does it actually improve photo quality? Or does it just increase the file size? How does it affect HDR and low-light performance?
What does a 48MP sensor in the main camera do?
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The main advantage of a 48MP sensor is its ability to capture more detail when taking photos. For example, when using the Samsung S25, you can crop the photo afterward or reprocess the JPEG data using an LPP algorithm to get a sharper image. This way, you don’t lose quality in high-resolution prints or simple cropping.
HDR performance also improves significantly because the sensor can capture a wider dynamic range. In low light, you usually rely on the sensor’s pixel binning feature—combining 48MP into 12MP for cleaner photos. Just remember, file sizes will be larger, so you’ll need to manage storage, especially in night mode. I usually stick with the 12MP mode because the results are more consistent.