Sensor characteristics matter beyond pixel count
Canon
Canon explains that megapixel count is only part of the picture: sensor dimensions and design also influence light collection and image quality.
Based on: Canon

No. A higher megapixel count does not, by itself, guarantee better photo quality. It describes how many pixels are available, rather than providing a complete assessment of the image.
Canon explains that sensor size and design also affect light collection, noise and dynamic range. Insta360 similarly distinguishes pixel count from overall quality. These factors prevent a single specification from reliably ranking every camera.
Extra resolution can still be useful. A photographer's example published by Sony shows how it allowed a substantial crop while retaining a large final image. The benefit depends on the photograph and its intended use; it does not make every higher-megapixel camera universally better.
Megapixels indicate resolution, not a complete quality score. More can help with cropping and printing without guaranteeing better photos.
Canon
Canon explains that megapixel count is only part of the picture: sensor dimensions and design also influence light collection and image quality.
Based on: Canon
Insta360
Insta360 explicitly states that higher megapixels do not mean better image quality on their own and distinguishes resolution from other image characteristics.
Based on: Insta360
Sony Alpha Universe
Photographer James Brandon demonstrates how a high-resolution original allowed a substantial crop while retaining enough pixels for a large print.
Based on: Sony Alpha Universe
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