| key specs | 
| Camera Type | DSLR Camera | DSLR Camera | 
| Effective Pixels | 12.3 MP | 24.2 MP | 
| Sensor Type | CMOS | CMOS | 
| Display Size | 3 inch | 3 inch | 
| Battery Type | Lithium ion | Lithium ion | 
| Display Type | - | TFT | 
| Touchscreen | - | Yes | 
| general | 
| Brand | Nikon | Canon | 
| Model | D90 12.3MP DSLR Camera | EOS 77D 24.2MP DSLR Camera | 
| Model Name | D90 | EOS 77D | 
| Model Number | D90 | EOS 77D | 
| Color | Black | Black | 
| SLR Variant | Body Only | Body With Single Lens Ef-S18-55 Is Stm 16 Gb Sd Card + Camera Bag | 
| Type | DSLR Camera | DSLR Camera | 
| Effective Pixels | 12.3 MP | 24.2 MP | 
| Tripod Socket | Yes | Yes | 
| Dimensions(WxHxD) | 103 x 132 x 77 mm | 131 x 99.9 x 76.2 mm | 
| Weight | 620 GM | 493 GM | 
| Face Detection | Yes | - | 
| Temperature | 0 to 40 | 0 to 40 | 
| Ports | Type C, Mini HDMI | - | 
| sensor features | 
| Sensor Type | CMOS | CMOS | 
| Sensor Size | 23.2 x 15.4 mm | 22.3 x 14.9 | 
| ISO Rating | ISO 100 - 6400 | ISO 100 - 25600 | 
| Maximum ISO | - | 25600 ISO | 
| lens features | 
| Lens Mount | Nikon F mount | Canon EF Mount | 
| Manual Focus | Yes | - | 
| Dust Reduction | Yes | Yes | 
| Focal Length | - | 1.6x | 
| Digital Zoom | - | 3x-10x | 
| Compatible Lens | - | Canon EF lenses including EF-S lenses, Excluding EF-M Lenses | 
| viewfinder features | 
| View Finder | Yes | Yes | 
| View Finder Type | Fixed Eye-level Pentaprism | Eye Level Pentamirror Single Lens Reflex Viewfinder | 
| focus features | 
| Auto Focus | 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 | - | 
| Focus Mode | - | Fixed, Precision Matte | 
| Focus Range | - | Focusing Brightness Range EV -3 - 18 with the Center AF Point Supporting f/2.8, One-shot AF, at Room Temperature, ISO 100 | 
| Metering Modes | - | 63-zone TTL Open-aperture Metering using 7560-pixel RGB Plus IR Metering Sensor, Evaluative Metering linked to all AF points, Partial Metering approx. 6.0% of viewfinder at center, Spot Metering approx. 3.5% of Viewfinder at Center, Center-weighted Average Metering | 
| shutter features | 
| Shutter Speed | 1/4000 sec | 1/4000 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 | - | 
| External Flash | Yes | - | 
| Flash Modes | Auto, Fill-in flash, Red-eye reduction, Red-eye reduction with Slow sync, Slow sync, Rear-curtain sync, Off | - | 
| image features | 
| Image Format | NEF 12 bit compressed RAW,JPEG Baseline-compliant | JPEG, RAW | 
| Picture Angle | 1.5x lens focal length | - | 
| Aspect Ratio | - | 32, 43, 169, 11 | 
| display features | 
| Display Size | 3 inch | 3 inch | 
| Display Type | - | TFT | 
| Touch Screen | - | Yes | 
| connectivity features | 
| Wifi | No | Yes | 
| storage and power features | 
| Battery Type | Lithium ion | Lithium ion | 
| Power Requirement | - | Rated Voltage 7.2 V DC, Battery Capacity 1040 mAh | 
| Batteries Included | - | Yes | 
| audio and video features | 
| Video Resolution | 1280 x 720 | 6000 x 4000 | 
| Video Format | AVI Motion JPEG compression format with monaural sound | - | 
| Video Quality | - | Full HD | 
| 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 | Basic Zone modes Scene Intelligent Auto, Flash Off, Creative Auto, Portrait, Landscape, Close-up, Sports, Special Scene Modes Group Photo, Kids, Food, Candlelight, Night Portrait, Handheld Night Scene, HDR Backlight Control, Creative filters Grainy B/W, Soft focus, Fish-eye effect, Water Painting Effect, Toy Camera Effect, Miniature Effect, HDR Art Standard, HDR Art Vivid, HDR Art Bold, HDR Art Embossed, Creative Zone Modes Program AE, Shutter-priority AE, Aperture-priority AE, Manual Exposure | 
| HD Support | - | Yes | 
| exposure features | 
| Exposure Mode | - | Automatic |