The Canon EOS 40D is 12 g heavier than the Canon EOS 50D, and as wide, as tall and as deep.
| Canon EOS 50D | Canon EOS 40D | |
|---|---|---|
| Size (W × H × D) | 145.5 × 107.8 × 73.5 mm | 145.5 × 107.8 × 73.5 mm |
| Weight | 810 g | 822 g |
| Lens | Canon EF | Canon EF |
| Sensor | APS-C | APS-C |
| Announced | 2008 | 2007 |