| key specs | 
| Camera Type | Digital Camera | DSLR Camera | 
| Effective Pixels | 20.1 MP | 24.2 MP | 
| Sensor Type | CMOS | CMOS | 
| Display Type | TFT LCD | TFT | 
| Display Size | 3 inch | 3 inch | 
| Battery Type | Lithium ion | Lithium ion | 
| Touchscreen | - | Yes | 
| general | 
| Brand | Canon | Canon | 
| Model | PowerShot G9 X Mark 2 20.1MP Digital Camera | EOS 77D 24.2MP DSLR Camera | 
| Model Name | PowerShot G9 X Mark 2 | EOS 77D | 
| Model Number | G9 X Mark 2 | EOS 77D | 
| Series | PowerShot | - | 
| Color | Silver | Black | 
| Type | Digital Camera | DSLR Camera | 
| Effective Pixels | 20.1 MP | 24.2 MP | 
| Dimensions(WxHxD) | 98.0 x 57.9 x 31.3 mm | 131 x 99.9 x 76.2 mm | 
| Weight | 206 GM | 493 GM | 
| Temperature | 0 to 40 | 0 to 40 | 
| Ports | HDMI Micro Type-D Connector | - | 
| SLR Variant | - | Body With Single Lens Ef-S18-55 Is Stm 16 Gb Sd Card + Camera Bag | 
| Tripod Socket | - | Yes | 
| sensor features | 
| Sensor Type | CMOS | CMOS | 
| Sensor Size | 1 inch | 22.3 x 14.9 | 
| Maximum ISO | 12800 ISO | 25600 ISO | 
| ISO Rating | - | ISO 100 - 25600 | 
| lens features | 
| Lens Construction | 8 elements in 6 groups 2 double sided aspherical UA lens, 1 single sided aspherical lens | - | 
| Focal Length | 10.2  30.6 mm 35 mm equivalent 28  84 mm | 1.6x | 
| Digital Zoom | 4x | 3x-10x | 
| Optical Zoom | 3x | - | 
| Aperture Range | f/2.0 - f/4.9 | - | 
| Lens Mount | - | Canon EF Mount | 
| Compatible Lens | - | Canon EF lenses including EF-S lenses, Excluding EF-M Lenses | 
| Dust Reduction | - | Yes | 
| viewfinder features | 
| Viewfinder Coverage | 100% | - | 
| View Finder | - | Yes | 
| View Finder Type | - | Eye Level Pentamirror Single Lens Reflex Viewfinder | 
| focus features | 
| Focus Mode | Single, Continuous, Servo AF/AE, Touch AF | Fixed, Precision Matte | 
| Auto Focus | Yes | - | 
| Focus Points | AiAF 31-point, Face Detection or Touch AF with Object and Face Select and Track, 1-point AF any position is available within approx. 90% of the frame or fixed centre | - | 
| Metering Modes | Evaluative linked to Face Detection AF frame, Centre-weighted average, Spot | 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 | 
| White Balancing | Auto including Face Detection WB, Daylight, Shade, Cloudy, Tungsten light, White fluorescent light, Flash, Custom, Color temp Kelvin | - | 
| 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 | 
| exposure features | 
| AE Lock/Exposure Lock | Yes | - | 
| Spot Meter | Yes | - | 
| Exposure Compensation | +/- 3 EV in 1/3 stop increments | - | 
| Manual Exposure | Yes | - | 
| Exposure Mode | - | Automatic | 
| shutter features | 
| Shutter Speed | 1  1/2000 s Auto Mode  1/8 - 1/2000 s Movie Mode  BULB, 30  1/2000 s total range  varies by shooting mode | 1/4000 sec | 
| Self-timer | Yes | Yes | 
| Continuous Shots | Approx. 8.2 shots/s for up to 21 frames in RAW  8.1 shots/s for up to 38 frames in JPEG   With AF Approx. 5.3 shots/s for up to 102 frames in JPEG   Low-speed Continuous Shooting Mode available at approx. 4 shots/s until memory card becomes full in JPEG and for up to 27 frames in RAW | - | 
| flash features | 
| Built-in Flash | Yes | - | 
| External Flash | Yes | - | 
| Flash Modes | Auto, Manual Flash On / Off, Slow Synchro | - | 
| Flash Compensation | 2 EV in 1/3 stop increments. Face Detection FE, Safety FE | - | 
| Other Flash Features | Canon High Power Flash HF-DC2 | - | 
| image features | 
| Image Format | JPEG compression Exif 2.3 [Exif Print] compliant / Design rule for Camera File system and DPOF ver. 1.1 compliant, RAW 14bit, Canon original RAW 2nd edition, RAW+JPEG | JPEG, RAW | 
| Aspect Ratio | 30200 AM | 32, 43, 169, 11 | 
| Gross Pixel | 20.9 MP | - | 
| Red Eye Reduction | Yes, during shooting and playback | - | 
| Maximum Resolution | 5472 x 3648 | - | 
| Image Stabilizer | Yes | - | 
| Image Sizing | 32 - RAW, L 5472 x 3648, M 3648 x 2432, S1 2736 x 1824, S2 2400 x 1600  43 - RAW, L 4864 x 3648, M 3248 x 2432, S1 2432 x 1824, S2 2112 x 1600  169 - RAW, L 5472 x 3072, M 3648 x 2048, S1 2736 x 1536, S2 2400 x 1344  11 - RAW, L 3648 x 3648, M 2432 x 2432, S1 1824 x 1824, S2 1600 x 1600  In-camera RAW processing & Resize available | - | 
| Image Processor | DIGIC 7 | - | 
| display features | 
| Display Type | TFT LCD | TFT | 
| Display Size | 3 inch | 3 inch | 
| Display Resolution | 1,040,000 dots | - | 
| Touch Screen | - | Yes | 
| connectivity features | 
| HDMI | Yes | - | 
| USB | No | - | 
| GPS | Yes | - | 
| Wifi | Yes | Yes | 
| Wireless Connectivity | Wi-Fi IEEE802.11b/g/n, 2.4 GHz only, with Dynamic NFC support, Bluetooth Specification version 4.1, Bluetooth low energy technology | - | 
| storage and power features | 
| Card Type | SD, SDHC, SDXC UHS Speed Class 1 compatible | - | 
| Power Supply | Charging via USB available with Compact Power Adapter CA-DC30E or other typical USB charging methods | - | 
| Batteries Included | Yes | Yes | 
| Battery Type | Lithium ion | Lithium ion | 
| Battery Life | Approx. 235 shots  Eco mode approx. 355 shots  Approx. 300 min playback | - | 
| Power Requirement | - | Rated Voltage 7.2 V DC, Battery Capacity 1040 mAh | 
| audio and video features | 
| Video Resolution | Full HD 1920 x 1080, 59.94 / 50 / 29.97 / 25 / 23.98 fps  HD 1280 x 720, 29.97 / 25 fps  L 640 x 480, 29.97 / 25 fps | 6000 x 4000 | 
| Video Quality | Full HD | Full HD | 
| Video Format | MP4 [Video MPEG-4 AVC / H.264, Audio MPEG-4 AAC-LC stereo] | - | 
| modes and functions features | 
| Drive Modes | Single, Auto Drive, Continuous, Continuous with AF, Self-Timer | - | 
| Shooting Modes | Smart Auto 58 scenes detected, Hybrid Auto, Program AE, Shutter priority AE, Aperture priority AE, Manual, Custom, SCN Portrait, Panning, Star Star Nightscape, Star Trails, Star Portrait, Star Time-Lapse Movie, Handheld Night Scene, Grainy B/W, Background Defocus, Soft Focus, Fish-eye Effect, Art bold effect, Water painting effect, Toy Camera Effect, Miniature Effect, High Dynamic Range, Fireworks, Movie Standard, Short Clip, Manual, Time-lapse movie, iFrame 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 |