| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 12.3 MP | 24.1 MP |
| Sensor Type | CMOS | CMOS |
| Display Size | 3 inch | 3.2 inch |
| Battery Type | Lithium ion | Lithium ion |
| Touchscreen | - | No |
| general |
| Brand | Nikon | Nikon |
| Model | D90 12.3MP DSLR Camera | D7100 24.1MP DSLR Camera |
| Model Name | D90 | D7100 |
| Model Number | D90 | D7100 |
| Color | Black | Black |
| SLR Variant | Body Only | Body With Single Lens Af-S 18-105 Mm Vr Lens 16 Gb Sd Card + Camera Bag |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 12.3 MP | 24.1 MP |
| Tripod Socket | Yes | Yes |
| Dimensions(WxHxD) | 103 x 132 x 77 mm | 106.5 x 135.5 x 76 mm |
| Weight | 620 GM | 755 GM |
| Face Detection | Yes | - |
| Temperature | 0 to 40 | 0 to 40 |
| Ports | Type C, Mini HDMI | Type C, HDMI |
| sensor features |
| Sensor Type | CMOS | CMOS |
| Sensor Size | 23.2 x 15.4 mm | 23.5 x 15.6 mm |
| ISO Rating | ISO 100 - 6400 | ISO 100 - 6400 |
| lens features |
| Lens Mount | Nikon F mount | Nikon F mount |
| Manual Focus | Yes | Yes |
| Dust Reduction | Yes | Yes |
| Color Filter | - | Primary RGB Color Filter |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | Fixed Eye-level Pentaprism | Eye-level Pentaprism Single-lens Reflex Viewfinder |
| 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 2 Types, Incandescent, Fluorescent 7 Types, Direct Sunlight, Flash, Cloudy, Shade, Preset Manual upto 6 Values can be Stored, Spot Measurement Available During Live View, Choose Color Temperature 2500 K - 10000 K, Fine-tuning |
| shutter features |
| Shutter Speed | 1/4000 sec | 1/8000 - 30 sec |
| Self-timer | Yes | Yes |
| Continuous Shots | Continous low shooting mode 1-4fps,Continous high shooting mode 4.5fps | - |
| 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 | Auto, Auto with Red-eye Reduction, Auto Slow Sync, Auto Slow Sync with Red-eye Reduction, Fill-flash, Red-eye Reduction, Slow Sync, Slow Sync with Red-eye Reduction, Rear-curtain with Slow Sync, Rear-curtain Sync, Off Auto FP High-Speed Sync Supported |
| image features |
| Image Format | NEF 12 bit compressed RAW,JPEG Baseline-compliant | JPEG, DCF 2.0, EXIF 2.3, DPOF |
| Picture Angle | 1.5x lens focal length | - |
| display features |
| Display Size | 3 inch | 3.2 inch |
| Touch Screen | - | No |
| connectivity features |
| Wifi | No | No |
| storage and power features |
| Battery Type | Lithium ion | Lithium ion |
| audio and video features |
| Video Resolution | 1280 x 720 | 1920 x 1080 |
| Video Format | AVI Motion JPEG compression format with monaural sound | MPEG-4, AVC / H.264 |
| 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 | Auto, Programmed Auto with Flexible Program P, Shutter-priority S, Aperture-priority A, Manual M |