| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 12.3 MP | 16.2 MP |
| Sensor Type | CMOS | CMOS |
| Display Size | 3 inch | 3 inch |
| Battery Type | Lithium ion | Lithium ion |
| general |
| Brand | Nikon | Nikon |
| Model | D90 12.3MP DSLR Camera | D5100 16.2MP DSLR Camera |
| Model Name | D90 | D5100 |
| Model Number | D90 | - |
| Color | Black | Black |
| SLR Variant | Body Only | - |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 12.3 MP | 16.2 MP |
| Tripod Socket | Yes | Yes |
| Dimensions(WxHxD) | 103 x 132 x 77 mm | 7.9 x 12.8 x 9.7 cm |
| Weight | 620 GM | - |
| Face Detection | Yes | Yes |
| Temperature | 0 to 40 | 0 to 40 |
| Ports | Type C, Mini HDMI | - |
| Lens Attachment | - | Body Only |
| sensor features |
| Sensor Type | CMOS | CMOS |
| Sensor Size | 23.2 x 15.4 mm | - |
| ISO Rating | ISO 100 - 6400 | - |
| Maximum ISO | - | 6400 ISO |
| Maximum FPS | - | 4 |
| Sensor Technology | - | CMOS |
| lens features |
| Lens Mount | Nikon F mount | - |
| Manual Focus | Yes | Yes |
| Dust Reduction | Yes | - |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | Fixed Eye-level Pentaprism | - |
| focus features |
| Auto Focus | Yes | Yes |
| White Balancing | Auto TTL white-balance with 420-pixel RGB sensor, 12 manual modes with fine-tuning color temperature setting preset white balance white balance bracketing | Auto TTL white-balance with main image sensor and 420-pixel RGB sensor, Incandescent, Fluorescent 7 types , Direct, Sunlight, Flash, Cloudy, Shade, preset manual. |
| shutter features |
| Shutter Speed | 1/4000 sec | - |
| Self-timer | Yes | Yes |
| Continuous Shots | Continous low shooting mode 1-4fps,Continous high shooting mode 4.5fps | Continuous shooting mode Approx. 4fps |
| flash features |
| Built-in Flash | Yes | Yes |
| External Flash | Yes | - |
| Flash Modes | Auto, Fill-in flash, Red-eye reduction, Red-eye reduction with Slow sync, Slow sync, Rear-curtain sync, Off | Fill-flash, slow sync, auto slow sync, red-eye reduction, auto with red-eye reduction, slow sync with red-eye reduction, auto, slow sync with red-eye reduction, rear-curtain sync, rear-curtain with slow sync. |
| image features |
| Image Format | NEF 12 bit compressed RAW,JPEG Baseline-compliant | NEF 12 or 14-bit lossless compressed or compressed RAW, JPEG Baseline-compliant |
| Picture Angle | 1.5x lens focal length | Approx 1.5x lens focal length |
| Red Eye Reduction | - | Yes |
| Image Sizing | - | 4928 x 3264 L |
| display features |
| Display Size | 3 inch | 3 inch |
| LCD Display Image Resolution | - | 921000 dots |
| LCD Display Video Resolution | - | 1920 x 1080 |
| connectivity features |
| Wifi | No | No |
| USB | - | 2 |
| storage and power features |
| Battery Type | Lithium ion | Lithium ion |
| Upgradable Memory | - | Yes |
| Card Type | - | SD / SDHC / SDXC |
| Power Supply | - | EH-5a AC Adapter |
| audio and video features |
| Video Resolution | 1280 x 720 | - |
| Video Format | AVI Motion JPEG compression format with monaural sound | MOV movie H.264, MPEG-4 AVC compression format with Linear PCM sound Stereo sound with external microphone |
| Audio Video Interface | - | Audio / Video Output |
| modes and functions features |
| Shooting Modes | Single frame shooting mode, Continous low shooting mode 1-4fps, Continous high shooting mode 4.5fps, Self-timer mode, Delay remote mode, Quick-response remote mode, D-Movie | Single frame, Continuous 4fps, Self-timer, Delayed remote, Quick-response remote, Silent shuttle release, D-Movie. |
| Delete Function | - | Yes |