| Canon Powershot S100 | Olympus PEN E-P3 | | Score | | Weight | | | | Score | | Weight | | Misc | | | Popularity | | 7 | 5.0 | × | 100.0 | = | 5.0 | 3 | 5.0 | × | 100.0 | = | 5.0 | | Lens | | | Wide angle | | 24 mm | 70.0 | × | 45.5 | = | 31.8 | N/A | 0.0 | × | 45.5 | = | 0.0 | Aperture | | f/2 | 85.0 | × | 27.3 | = | 23.2 | N/A | 0.0 | × | 27.3 | = | 0.0 | Telephoto lenses | | 120 mm | 5.0 | × | 22.7 | = | 1.1 | N/A | 0.0 | × | 22.7 | = | 0.0 | | Sensor | | | Sensor size | | 1/1.8" 7.49x5.52mm | 5.0 | × | 45.5 | = | 2.3 | Four thirds 17.3x13mm | 20.0 | × | 45.5 | = | 9.1 | Light sensitivity | | 6,400 ISO | 5.0 | × | 27.3 | = | 1.4 | 1,600 ISO | 5.0 | × | 27.3 | = | 1.4 | Light sensitivity (boost) | | 12,800 ISO | 5.0 | × | 9.1 | = | 0.5 | 12,800 ISO | 5.0 | × | 9.1 | = | 0.5 | | DXO Mark Scores | | | Overall image quality | | 50.0 | 35.0 | × | 45.5 | = | 15.9 | 51.0 | 35.0 | × | 45.5 | = | 15.9 | | Screen | | | Screen resolution | | 461k dots | 20.0 | × | 18.2 | = | 3.6 | 614k dots | 25.0 | × | 18.2 | = | 4.5 | Screen size | | 3" | 55.0 | × | 18.2 | = | 10.0 | 3" | 55.0 | × | 18.2 | = | 10.0 | Touch screen | | No | 0.0 | × | 4.5 | = | 0.0 | Yes | 100.0 | × | 4.5 | = | 4.5 | | Movies | | | Movie format | | 1080p @ 24fps | 25.0 | × | 27.3 | = | 6.8 | 1080p @ 30fps | 25.0 | × | 27.3 | = | 6.8 | | Advanced | | | Image stabilization | | - Lens
| 100.0 | × | 9.1 | = | 9.1 | - Sensor shift
| 80.0 | × | 9.1 | = | 7.3 | Continuous shooting | | 9.6 fps | 20.0 | × | 4.5 | = | 0.9 | 3 fps | 5.0 | × | 4.5 | = | 0.2 | | | Total | | 111.6 | Total | | 65.2 | | Best total | | 151.8 | Best total | | 151.8 | | Canon Powershot S100 Score | | 73 | Olympus PEN E-P3 Score | | 42 | | |