| key specs |
| Camera Type | Digital Camera | DSLR Camera |
| Effective Pixels | 14.2 MP | 20.2 MP |
| Sensor Type | CMOS | CMOS |
| Display Size | 3.5 inch | 3 inch |
| Battery Type | Lithium ion | Lithium ion |
| Display Type | - | TFT |
| general |
| Brand | Nikon | Canon |
| Model | D3100 14.2MP Digital Camera | PowerShot SX620 20.2MP DSLR Camera |
| Model Name | D3100 | PowerShot SX620 |
| Color | Black | Red |
| Type | Digital Camera | DSLR Camera |
| Effective Pixels | 14.2 MP | 20.2 MP |
| Tripod Socket | Yes | - |
| Dimensions(WxHxD) | 33.8 x 25.8 x 17 cm | 96.9 x 56.9 x 27.9 mm |
| Face Detection | Yes | - |
| Lens Attachment | Body Only | - |
| Temperature | 0 to 40 | 0 to 40 |
| Model Number | - | SX620 |
| Series | - | PowerShot |
| Weight | - | 182 GM |
| sensor features |
| Sensor Type | CMOS | CMOS |
| ISO Rating | ISO 100 -3200 | ISO 80 - 3200 |
| Maximum ISO | 3200 ISO | - |
| Maximum FPS | 3 | - |
| Sensor Technology | CMOS | - |
| Sensor Size | - | 1/2.3 type |
| lens features |
| Manual Focus | Yes | - |
| Focal Length | - | 4.5 W, 112.5 T |
| Digital Zoom | - | 100X |
| Optical Zoom | - | 25x |
| viewfinder features |
| View Finder | Yes | No |
| focus features |
| Auto Focus | Yes | - |
| White Balancing | Auto (TTL white-balance with 420-pixel RGB sensor) Incandescent Fluorescent Direct sunlight Flash Cloudy Shade White balance preset | - |
| Focus Mode | - | Auto, On, Slow Synchro, Off |
| Focus Range | - | 1cm 0.4in. - infinity W |
| Metering Modes | - | Evaluative, Center-weighted average, Spot |
| shutter features |
| Self-timer | Yes | - |
| Continuous Shots | Continuous shooting mode Approx. 3fps | - |
| Shutter Speed | - | Jan-00 |
| flash features |
| Built-in Flash | Yes | Yes |
| External Flash | Yes | - |
| Flash Modes | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain | - |
| image features |
| Image Format | NEF (12 bit compressed RAW) JPEG (Baseline-compliant) | - |
| Red Eye Reduction | Yes | - |
| Image Stabilizer | Yes | - |
| Image Sizing | 4608 x 3072 (L) | - |
| Picture Angle | Approx 1.5x lens focal length | - |
| display features |
| Display Size | 3.5 inch | 3 inch |
| LCD Display Image Resolution | 230000 dots | - |
| Display Type | - | TFT |
| Display Resolution | - | 921600 dots |
| connectivity features |
| GPS | Yes | - |
| Wifi | No | - |
| storage and power features |
| Upgradable Memory | Yes | - |
| Card Type | SD / SDHC / SDXC | - |
| Power Supply | EH-5a AC Adapter (Available Separately; Requires Optional EP-5A Power Connector) | - |
| Battery Type | Lithium ion | Lithium ion |
| Batteries Included | - | Yes |
| Number of Batteries | - | 1 |
| audio and video features |
| Video Format | MOV movie (H.264/MPEG-4 compression format with monaural sound) | - |
| Video Resolution | - | 1920 x 1080, 1280 x 720, 640 x 480 |
| Video Quality | - | HD |
| modes and functions features |
| Delete Function | Yes | - |
| Shooting Modes | Single frame shooting mode, Continuous shooting mode approx. 3fps, Self-timer mode, Quiet Shutter Release | 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 |
| HD Support | - | Yes |
| exposure features |
| Exposure Mode | - | Program Auto, Exposure compensation, Programmed auto exposure |