| key specs | 
| Camera Type | DSLR Camera | DSLR Camera | 
| Effective Pixels | 12.3 MP | 20.3 MP | 
| Sensor Type | CMOS | CMOS | 
| Display Size | 3 inch | 3.2 inch | 
| Battery Type | Lithium ion | Lithium ion | 
| general | 
| Brand | Nikon | Nikon | 
| Model | D90 12.3MP DSLR Camera | D610 20.3MP DSLR Camera | 
| Model Name | D90 | D610 | 
| Model Number | D90 | - | 
| Color | Black | Black | 
| SLR Variant | Body Only | Body Only | 
| Type | DSLR Camera | DSLR Camera | 
| Effective Pixels | 12.3 MP | 20.3 MP | 
| Tripod Socket | Yes | Yes | 
| Dimensions(WxHxD) | 103 x 132 x 77 mm | 45 x 55 x 32 cm | 
| Weight | 620 GM | - | 
| Face Detection | 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 | ISO 100 - 6400 | 
| Maximum ISO | - | 6400 ISO | 
| Maximum FPS | - | 6 | 
| Sensor Technology | - | CMOS | 
| lens features | 
| Lens Mount | Nikon F mount | - | 
| Manual Focus | Yes | Yes | 
| Dust Reduction | Yes | No | 
| viewfinder features | 
| View Finder | Yes | Yes | 
| View Finder Type | Fixed Eye-level Pentaprism | - | 
| focus features | 
| Auto Focus | Yes | TTL Phase Detection | 
| 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 4 Values can be Stored, Choose Color Temperature 2500 K - 10000 K, All with Fine-tuning | 
| 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 | Yes, 1 - 5 fps Continuous Low Speed, 6 fps Continuous High Speed or 3 fps Quiet Continuous Shutter-release | 
| flash features | 
| Built-in Flash | Yes | Yes | 
| External Flash | Yes | 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, Auto FP High-Speed Sync Supported | 
| image features | 
| Image Format | NEF 12 bit compressed RAW,JPEG Baseline-compliant | JPEG, DCF 2.0, DPOF, EXIF 2.3, NEF RAW + JPEG, NEF RAW | 
| Picture Angle | 1.5x lens focal length | - | 
| Red Eye Reduction | - | Yes | 
| Image Sizing | - | 6016 x 4016 L | 
| display features | 
| Display Size | 3 inch | 3.2 inch | 
| LCD Display Image Resolution | - | 921000 dots | 
| LCD Display Video Resolution | - | 1920 x 1080 | 
| connectivity features | 
| Wifi | No | No | 
| GPS | - | Yes | 
| storage and power features | 
| Battery Type | Lithium ion | Lithium ion | 
| Upgradable Memory | - | Yes | 
| Card Type | - | SD / SDHC / SDXC | 
| Power Supply | - | AC Adapter EH-5b | 
| audio and video features | 
| Video Resolution | 1280 x 720 | - | 
| Video Format | AVI Motion JPEG compression format with monaural sound | MOV, MPEG-4 AVC, H.264 | 
| Microphone | - | Built-in | 
| Audio Video Interface | - | Audio 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 Shooting Mode, Continuous High-speed Mode 5 fps, Continuous Low-speed Mode 1 - 5 fps, Live View Mode, Self-timer Mode, Mirror-up Mode | 
| Scene Modes | - | Auto and Auto Flash Off Modes |