The following chart can be used as a guide to help you decide what resolution camera you should purchase.

Digital Camera Print Resolution Chart
Capture Resolution Video Display* Print Size***
2x3" 4x5"/4x6" 5x7" 8x10" 11x14" 16x20" 20x30"
320x240
 
Acceptable Good Acceptable Poor Poor Poor Poor Poor
640x480
0.3 Megapixel
Good
Excellent
Good
Poor
Poor
Poor
Poor
Poor
800x600
 
Excellent Photo Quality Very Good Acceptable Poor Poor Poor Poor
1024x768
 
Excellent Photo Quality Excellent Good Acceptable Poor Poor Poor
1280x960
1 Megapixel
Excellent Photo Quality Photo Quality Very Good Good Poor Poor Poor
1536x1180
 
Excellent** Photo Quality Photo Quality Excellent Very Good Acceptable poor Poor
1600x1200
2 Megapixel
Excellent** Photo Quality Photo Quality Photo Quality Very Good Acceptable Acceptable Poor
2048x1536
3 Megapixel
Excellent** Photo Quality Photo Quality Photo Quality Excellent Good Acceptable Acceptable
2240x1680
4 Megapixel
Excellent** Photo Quality Photo Quality Photo Quality Photo Quality Very Good Good Acceptable
2560x1920
5 Megapixel
Excellent** Photo Quality Photo Quality Photo Quality Photo Quality Excellent Very Good Very Good
3032x2008
6 Megapixel
Excellent** Photo Quality Photo Quality Photo Quality Photo Quality Photo Quality Excellent Very Good
3072x2304
7 Megapixel
Excellent** Photo Quality Photo Quality Photo Quality Photo Quality Photo Quality Excellent Excellent
3264x2448
8 Megapixel
Excellent** Photo Quality Photo Quality Photo Quality Photo Quality Photo Quality Photo Quality Excellent
10+ Megapixel
 
Excellent** Photo Quality Photo Quality Photo Quality Photo Quality Photo Quality Photo Quality Photo Quality

Poor Noticeably Grainy (pixelated)
Acceptable Obviously not a real photo, but some details are visible
Good Can tell it is not a photo but most details are discernable
Very Good Can tell it is not a photo at normal distance, but good enough for many uses
Excellent Difficult to tell from real photo at normal viewing distance
Photo Quality On a photo-quality printer, the human eye should not be able to tell the difference at a normal viewing distance


* Either television or computer display (e.g. Web Page)
** Will produce an excessively large file size that would be inappropriate for web applications
*** Using a typical Photo Quality Desktop printer