HP M415 - Manual (Page 169)

169 Specifications
Memory Capacity
The following table lists the approximate number and
average size of still images that can be stored in the
16MB of internal memory when the camera is set to different
Image Quality settings available in the Capture Menu.
NOTE: Not all 16MB of internal memory is available for
storing images, because some memory is used for
internal camera operations. Also, the actual file sizes
and number of still images that can be stored in the
internal memory in the camera or on an optional memory
card will vary, depending on the content of each still
image and the length of audio that has been recorded.
5MP Best 5 images (2.5MB each)
5MP (default) 8 images (1.6MB each)
3MP 11 images (1.1MB each)
1MP 22 images (550KB each)
VGA 92 images (140KB each)