Limits in Amazon Rekognition
The following is a list of limits in Amazon Rekognition:
Maximum image size stored as an Amazon S3 object is limited to 15 MB. The minimum pixel resolution for height and width is 80 pixels.
Maximum images size as raw bytes passed in as parameter to an API is 5 MB.
Amazon Rekognition supports the PNG and JPEG image formats. That is, the images you provide as input to various API operations, such as
IndexFacesmust be in one of the supported formats.
Maximum number of faces you can store in a single face collection is 1 million.
The maximum matching faces the search API returns is 4096.