| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 10.2 MP | 20.2 MP |
| Sensor Type | CCD | CMOS |
| Display Size | 2.5 inch | 3 inch |
| Battery Type | Lithium ion | Lithium ion |
| Display Type | - | TFT |
| general |
| Brand | Nikon | Canon |
| Model | D40X 10.2MP DSLR Camera | PowerShot SX620 20.2MP DSLR Camera |
| Model Name | D40X | PowerShot SX620 |
| Model Number | D40X | SX620 |
| Color | Black | Red |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 10.2 MP | 20.2 MP |
| Tripod Socket | Yes | - |
| Dimensions(WxHxD) | 50 x 30 x 20 cm | 96.9 x 56.9 x 27.9 mm |
| Weight | 482 GM | 182 GM |
| Face Detection | Yes | - |
| Temperature | 0 to 40 | 0 to 40 |
| Ports | Type C Mini HDMI | - |
| Accessory Shoe | ISO 518 Hot-shoe with Sync and Data Contacts, Safety Lock | - |
| Series | - | PowerShot |
| sensor features |
| Sensor Type | CCD | CMOS |
| Sensor Size | 22.3 x 14.9 mm | 1/2.3 type |
| ISO Rating | ISO 100 - 25600 | ISO 80 - 3200 |
| lens features |
| Lens Mount | Nikon F Mount (With AF Coupling and AF Contacts) | - |
| Manual Focus | Yes | - |
| Dust Reduction | Yes | - |
| Other Lens Features | Lens Aperture Instant Return, Electronically Controlled, Compatible Lenses Compatible with AF NIKKOR Lenses, Including Type G, E and D Lenses (Some Restrictions Apply to PC Lenses) and DX Lenses (Using DX 24 x 16 1.5x Image Area), AI-P NIKKOR Lenses and Non-CPU AI Lenses (Exposure Modes A and M Only), IX NIKKOR Lenses, Lenses for the F3AF and Non-AI Lenses can not be Used, The Electronic Rangefinder can be Used with Lenses that Have a Maximum Aperture of f/5.6 or Faster (The Electronic Rangefinder Supports the 11 Focus Points with Lenses that Have a Maximum Aperture of f/8 or Faster) | - |
| Focal Length | - | 4.5 W, 112.5 T |
| Digital Zoom | - | 100X |
| Optical Zoom | - | 25x |
| viewfinder features |
| View Finder | Yes | No |
| View Finder Type | Eye-level Pentaprism Single-lens Reflex Viewfinder | - |
| Viewpoint Dioptric Adjustment | -3 to +1 m-1 | - |
| Viewfinder Eye Point | 18 mm | - |
| focus features |
| Auto Focus | Yes | - |
| Focus Mode | - | Auto, On, Slow Synchro, Off |
| Focus Range | - | 1cm 0.4in. - infinity W |
| Metering Modes | - | Evaluative, Center-weighted average, Spot |
| exposure features |
| Exposure Mode | Automatic | Program Auto, Exposure compensation, Programmed auto exposure |
| Manual Exposure | Yes | - |
| shutter features |
| Shutter Speed | 1/8000 sec | Jan-00 |
| Self-timer | Yes | - |
| flash features |
| External Flash | Yes | - |
| Built-in Flash | - | Yes |
| image features |
| Live View Shooting | Yes | - |
| display features |
| Display Size | 2.5 inch | 3 inch |
| Display Type | - | TFT |
| Display Resolution | - | 921600 dots |
| connectivity features |
| Wifi | No | - |
| storage and power features |
| Battery Type | Lithium ion | Lithium ion |
| Batteries Included | - | Yes |
| Number of Batteries | - | 1 |
| audio and video features |
| Microphone | Yes | - |
| Video Resolution | 1920 x 1080 | 1920 x 1080, 1280 x 720, 640 x 480 |
| Video Quality | - | HD |
| modes and functions features |
| HD Support | Yes | Yes |
| Shooting Modes | - | Hybrid Auto, Creative Shot, AUTO, Programme, Portrait, Smart Shutter, High-speed Burst, Handheld NightScene, Low Light, Fish-eye Effect, Miniature Effect, Toy Camera Effect, Monochrome, Super Vivid, Poster Effect, Snow, Fireworks, Long Shutter |