| Olympus PEN E-P3 | Pentax K10D | | Score | | Weight | | | | Score | | Weight | | Misc | | | Popularity | | 3 | 5.0 | × | 100.0 | = | 5.0 | 3 | 5.0 | × | 100.0 | = | 5.0 | | Lens | | | Wide angle | | N/A | 0.0 | × | 45.5 | = | 0.0 | N/A | 0.0 | × | 45.5 | = | 0.0 | Aperture | | N/A | 0.0 | × | 27.3 | = | 0.0 | N/A | 0.0 | × | 27.3 | = | 0.0 | Telephoto lenses | | N/A | 0.0 | × | 22.7 | = | 0.0 | N/A | 0.0 | × | 22.7 | = | 0.0 | | Sensor | | | Sensor size | | Four thirds 17.3x13mm | 20.0 | × | 45.5 | = | 9.1 | APS-C 23.5x15.7mm | 30.0 | × | 45.5 | = | 13.6 | Light sensitivity | | 1,600 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 | None | 0.0 | × | 9.1 | = | 0.0 | | DXO Mark Scores | | | Overall image quality | | 51.0 | 35.0 | × | 45.5 | = | 15.9 | 66.0 | 60.0 | × | 45.5 | = | 27.3 | | Screen | | | Screen resolution | | 614k dots | 25.0 | × | 18.2 | = | 4.5 | 210k dots | 10.0 | × | 18.2 | = | 1.8 | Screen size | | 3" | 55.0 | × | 18.2 | = | 10.0 | 2.5" | 40.0 | × | 18.2 | = | 7.3 | Touch screen | | Yes | 100.0 | × | 4.5 | = | 4.5 | No | 0.0 | × | 4.5 | = | 0.0 | | Movies | | | Movie format | | 1080p @ 30fps | 25.0 | × | 27.3 | = | 6.8 | None | 0.0 | × | 27.3 | = | 0.0 | | Advanced | | | Image stabilization | | - Sensor shift
| 80.0 | × | 9.1 | = | 7.3 | - Sensor shift
| 80.0 | × | 9.1 | = | 7.3 | Continuous shooting | | 3 fps | 5.0 | × | 4.5 | = | 0.2 | 3 fps | 5.0 | × | 4.5 | = | 0.2 | | | Total | | 65.2 | Total | | 63.9 | | Best total | | 151.8 | Best total | | 151.8 | | Olympus PEN E-P3 Score | | 42 | Pentax K10D Score | | 42 | | |