Canon 800D vs G3X
The Canon EOS 800D (called Canon T7i in some regions) and the Canon PowerShot G3 X are two digital cameras that were officially introduced, respectively, in February 2017 and June 2015. The 800D is a DSLR, while the G3X is a fixed lens compact. The cameras are based on an APS-C (800D) and an one-inch (G3X) sensor. The 800D has a resolution of 24 megapixels, whereas the G3X provides 20 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 800D and the Canon PowerShot G3 X? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.
The side-by-side display below illustrates the physical size and weight of the Canon 800D and the Canon G3 X. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon G3 X is notably smaller (28 percent) than the Canon 800D. It is noteworthy in this context that the G3X is splash and dust-proof, while the 800D does not feature any corresponding weather-sealing.
The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G3X has a lens built in, whereas the 800D is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the 800D and their specifications in the Canon EF Lens Catalog.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.
|1.||Canon 800D||131 mm||100 mm||76 mm||532 g||600||n||Feb 2017||749||ebay.com|
|2.||Canon G3 X||123 mm||77 mm||105 mm||733 g||300||Y||Jun 2015||999||ebay.com|
|3.||Canon 850D||131 mm||103 mm||76 mm||515 g||800||n||Feb 2020||749||amazon.com|
|4.||Canon 2000D||129 mm||101 mm||78 mm||475 g||500||n||Feb 2018||449||amazon.com|
|5.||Canon 77D||131 mm||100 mm||76 mm||540 g||600||n||Feb 2017||899||ebay.com|
|6.||Canon 200D||122 mm||93 mm||70 mm||453 g||650||n||Jun 2017||549||ebay.com|
|7.||Canon M6||112 mm||68 mm||45 mm||390 g||295||n||Feb 2017||779||ebay.com|
|8.||Canon 80D||139 mm||105 mm||79 mm||730 g||960||Y||Feb 2016||1,199||ebay.com|
|9.||Canon 1300D||129 mm||101 mm||78 mm||485 g||500||n||Mar 2016||449||ebay.com|
|10.||Canon G7 X Mark II||106 mm||61 mm||42 mm||319 g||265||n||Feb 2016||699||ebay.com|
|11.||Canon 750D||132 mm||101 mm||78 mm||555 g||440||n||Feb 2015||749||ebay.com|
|12.||Canon 760D||132 mm||101 mm||78 mm||565 g||440||n||Feb 2015||649||ebay.com|
|13.||Canon G9 X||98 mm||58 mm||31 mm||209 g||220||n||Oct 2015||529||ebay.com|
|14.||Canon G7 X||103 mm||60 mm||40 mm||304 g||210||n||Sep 2014||699||ebay.com|
|15.||Canon 70D||139 mm||104 mm||79 mm||755 g||920||Y||Jul 2013||1,199||ebay.com|
|16.||Nikon D5600||124 mm||97 mm||70 mm||465 g||970||n||Nov 2016||699||amazon.com|
|17.||Panasonic FZ1000||137 mm||99 mm||131 mm||831 g||360||n||Jun 2014||899||ebay.com|
|Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.
The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Canon 800D features an APS-C sensor and the Canon G3 X an one-inch sensor. The sensor area in the G3X is 65 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
In terms of chip-set technology, the 800D uses a more advanced image processing engine (DIGIC 7) than the G3X (DIGIC 6), with benefits for noise reduction, color accuracy, and processing speed.
With 24MP, the 800D offers a higher resolution than the G3X (20MP), but the 800D nevertheless has larger individual pixels (pixel pitch of 3.72μm versus 2.41μm for the G3X) due to its larger sensor. Moreover, the 800D is a somewhat more recent model (by 1 year and 7 months) than the G3X, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.
The resolution advantage of the Canon 800D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 800D for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Canon G3 X are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.
The 800D has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Canon EOS 800D has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 100-51200. The corresponding ISO settings for the Canon PowerShot G3 X are ISO 125 to ISO 12800, with the possibility to increase the ISO range to 125-25600.
In terms of underlying technology, the 800D is build around a CMOS sensor, while the G3X uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.
Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|2.||Canon G3 X||1-inch||20.0||5472||3648||1080/60p||21.4||12.3||521||63|
|10.||Canon G7 X Mark II||1-inch||20.0||5472||3648||1080/60p||21.8||11.9||260||62|
|13.||Canon G9 X||1-inch||20.0||5472||3648||1080/60p||21.5||12.3||495||63|
|14.||Canon G7 X||1-inch||20.0||5472||3648||1080/60p||23.0||12.7||556||71|
|Note: DXO values in italics represent estimates based on sensor size and age.|
Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (1080/60p).
Apart from body and sensor, cameras can and do differ across a range of features. For example, the 800D has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the G3X relies on live view and the rear LCD for framing. That said, the G3X can be equipped with an optional viewfinder – the EVF-DC1. The table below summarizes some of the other core capabilities of the Canon 800D and Canon G3 X in connection with corresponding information for a sample of similar cameras.
|1.||Canon 800D||optical||n||3.0 / 1040||swivel||Y||1/4000s||6.0/s||Y||n|
|2.||Canon G3 X||optional||n||3.2 / 1620||tilting||Y||1/2000s||5.9/s||Y||Y|
|3.||Canon 850D||optical||n||3.0 / 1040||swivel||Y||1/4000s||7.5/s||Y||n|
|4.||Canon 2000D||optical||n||3.0 / 920||fixed||n||1/4000s||3.0/s||Y||n|
|5.||Canon 77D||optical||Y||3.0 / 1040||swivel||Y||1/4000s||6.0/s||Y||n|
|6.||Canon 200D||optical||n||3.0 / 1040||swivel||Y||1/4000s||5.0/s||Y||n|
|7.||Canon M6||optional||n||3.0 / 1040||tilting||Y||1/4000s||9.0/s||Y||n|
|8.||Canon 80D||optical||Y||3.0 / 1040||swivel||Y||1/8000s||7.0/s||Y||n|
|9.||Canon 1300D||optical||n||3.0 / 920||fixed||n||1/4000s||3.0/s||Y||n|
|10.||Canon G7 X Mark II||none||n||3.0 / 1040||tilting||Y||1/2000s||8.0/s||Y||Y|
|11.||Canon 750D||optical||n||3.0 / 1040||swivel||Y||1/4000s||5.0/s||Y||n|
|12.||Canon 760D||optical||Y||3.0 / 1040||swivel||Y||1/4000s||5.0/s||Y||n|
|13.||Canon G9 X||none||n||3.0 / 1040||fixed||Y||1/2000s||6.0/s||Y||Y|
|14.||Canon G7 X||none||n||3.0 / 1040||tilting||Y||1/2000s||6.5/s||Y||Y|
|15.||Canon 70D||optical||Y||3.0 / 1040||swivel||Y||1/8000s||7.0/s||Y||n|
|16.||Nikon D5600||optical||n||3.2 / 1037||swivel||Y||1/4000s||5.0/s||Y||n|
|17.||Panasonic FZ1000||2359||n||3.0 / 921||swivel||n||1/4000s||12.0/s||Y||Y|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
Concerning the storage of imaging data, both the 800D and the G3X write their files to SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.
For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon EOS 800D and Canon PowerShot G3 X and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Canon 800D||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|2.||Canon G3 X||Y||stereo / mono||Y||Y||mini||2.0||Y||Y||-|
|3.||Canon 850D||Y||stereo / mono||Y||-||mini||2.0||Y||-||Y|
|4.||Canon 2000D||Y||mono / mono||-||-||mini||2.0||Y||Y||-|
|5.||Canon 77D||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|6.||Canon 200D||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|7.||Canon M6||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|8.||Canon 80D||Y||stereo / mono||Y||Y||mini||2.0||Y||Y||-|
|9.||Canon 1300D||Y||mono / mono||-||-||mini||2.0||Y||Y||-|
|10.||Canon G7 X Mark II||-||stereo / mono||-||-||micro||2.0||Y||Y||-|
|11.||Canon 750D||Y||stereo / mono||Y||-||mini||2.0||Y||Y||-|
|12.||Canon 760D||Y||stereo / mono||Y||-||mini||2.0||Y||Y||-|
|13.||Canon G9 X||-||stereo / mono||-||-||micro||2.0||Y||Y||-|
|14.||Canon G7 X||-||stereo / mono||-||-||micro||2.0||Y||Y||-|
|15.||Canon 70D||Y||stereo / mono||Y||-||mini||2.0||Y||-||-|
|16.||Nikon D5600||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|17.||Panasonic FZ1000||Y||stereo / mono||Y||-||micro||2.0||Y||Y||-|
Both the 800D and the G3X have been discontinued, but can regularly be found used on ebay. The 800D was replaced by the Canon 850D, while the G3X does not have a direct successor. Further information on the features and operation of the 800D and G3X can be found, respectively, in the Canon 800D Manual (free pdf) or the online Canon G3 X Manual.
So how do things add up? Is the Canon 800D better than the Canon G3 X or vice versa? Below is a summary of the relative strengths of each of the two contestants.
Reasons to prefer the Canon EOS 800D:
- More detail: Offers more megapixels (24 vs 20MP) with a 10% higher linear resolution.
- Better image quality: Features a larger and more technologically advanced imaging sensor.
- Richer colors: The sensor size advantage translates into images with better, more accurate colors.
- More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
- Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
- Better jpgs: Has a more modern image processing engine (DIGIC 7 vs DIGIC 6).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- Easier framing: Has an optical viewfinder for image composition and settings control.
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
- Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
- More flexible: Can take a variety of interchangeable lenses, including specialty optics.
- Longer lasting: Can take more shots (600 versus 300) on a single battery charge.
- Easier wireless transfer: Supports Bluetooth for image sharing without cables.
- More modern: Is somewhat more recent (announced 1 year and 7 months after the G3X).
Advantages of the Canon PowerShot G3 X:
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (1620k vs 1040k dots).
- Ready to shoot: Comes with an integrated lens, while the 800D requires a separate lens.
- More compact: Is smaller (123x77mm vs 131x100mm) and will fit more readily into a bag.
- Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- More heavily discounted: Has been on the market for longer (launched in June 2015).
If the count of individual advantages (bullet points above) is taken as a guide, the 800D is the clear winner of the match-up (14 : 8 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Canon 800D and the Canon G3 X place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Superzoom Camera listings whether the two cameras rank among the cream of the crop.
In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the 800D or the G3X perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.
This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.
|1.||Canon 800D||4.5/5||..||3.5/5||80/100||4.5/5||4/5||Feb 2017||749||ebay.com|
|2.||Canon G3 X||3.5/5||+||..||..||4.5/5||4/5||Jun 2015||999||ebay.com|
|3.||Canon 850D||4/5||+||3/5||80/100||4/5||3.5/5||Feb 2020||749||amazon.com|
|4.||Canon 2000D||3/5||o||3.5/5||..||3.5/5||3.5/5||Feb 2018||449||amazon.com|
|5.||Canon 77D||4.5/5||..||4/5||82/100||4.5/5||4/5||Feb 2017||899||ebay.com|
|6.||Canon 200D||4/5||+ +||4/5||78/100||4.5/5||4.5/5||Jun 2017||549||ebay.com|
|7.||Canon M6||..||..||..||80/100||4/5||4/5||Feb 2017||779||ebay.com|
|8.||Canon 80D||4/5||+ +||4.5/5||84/100||4.5/5||4.5/5||Feb 2016||1,199||ebay.com|
|9.||Canon 1300D||4/5||o||4/5||73/100||4/5||4/5||Mar 2016||449||ebay.com|
|10.||Canon G7 X Mark II||4.5/5||+ +||..||81/100||4.5/5||4.5/5||Feb 2016||699||ebay.com|
|11.||Canon 750D||5/5||..||..||75/100||4.5/5||4.5/5||Feb 2015||749||ebay.com|
|12.||Canon 760D||5/5||+||..||77/100||4.5/5||4.5/5||Feb 2015||649||ebay.com|
|13.||Canon G9 X||3.5/5||+ +||..||..||4.5/5||4.5/5||Oct 2015||529||ebay.com|
|14.||Canon G7 X||4/5||+ +||..||77/100||4.5/5||4.5/5||Sep 2014||699||ebay.com|
|15.||Canon 70D||5/5||+ +||..||83/100||4.5/5||5/5||Jul 2013||1,199||ebay.com|
|16.||Nikon D5600||4/5||..||4/5||79/100||4.5/5||4/5||Nov 2016||699||amazon.com|
|17.||Panasonic FZ1000||4/5||+ +||..||82/100||4.5/5||4.5/5||Jun 2014||899||ebay.com|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.
Other camera comparisons
Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon 800D vs Canon T6i
- Canon 800D vs Fujifilm X-A7
- Canon 800D vs Fujifilm XP130
- Canon 800D vs Fujifilm XQ1
- Canon 800D vs Nikon D3X
- Canon 800D vs Nikon Z7
- Canon G3 X vs Fujifilm X-T30
- Canon G3 X vs Fujifilm X-T4
- Canon G3 X vs Kodak S-1
- Canon G3 X vs Leica X2
- Canon G3 X vs Nikon D5200
- Canon G3 X vs Panasonic G90
Specifications: Canon 800D vs Canon G3 X
Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.
|Camera Model||Canon 800D||Canon G3 X|
|Camera Type||Digital single lens reflex||Fixed lens compact camera|
|Camera Lens||Canon EF mount lenses||24-600mm f/2.8-5.6|
|Launch Date||February 2017||June 2015|
|Launch Price||USD 749||USD 999|
|Sensor Specs||Canon 800D||Canon G3 X|
|Sensor Format||APS-C Sensor||1" Sensor|
|Sensor Size||22.3 x 14.9 mm||13.2 x 8.8 mm|
|Sensor Area||332.27 mm2||116.16 mm2|
|Sensor Diagonal||26.8 mm||15.9 mm|
|Sensor Resolution||24 Megapixels||20 Megapixels|
|Image Resolution||6000 x 4000 pixels||5472 x 3648 pixels|
|Pixel Pitch||3.72 μm||2.41 μm|
|Pixel Density||7.22 MP/cm2||17.18 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||1080/60p Video||1080/60p Video|
|ISO Setting||100 - 25,600 ISO||125 - 12,800 ISO|
|ISO Boost||100 - 51,200 ISO||125 - 25,600 ISO|
|Image Processor||DIGIC 7||DIGIC 6|
|DXO Sensor Quality (score)||..||63|
|DXO Color Depth (bits)||..||21.4|
|DXO Dynamic Range (EV)||..||12.3|
|DXO Low Light (ISO)||..||521|
|Screen Specs||Canon 800D||Canon G3 X|
|Viewfinder Type||Optical viewfinder||Viewfinder optional|
|Viewfinder Field of View||95%|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.2inch|
|LCD Resolution||1040k dots||1620k dots|
|LCD Attachment||Swivel screen||Tilting screen|
|Shooting Specs||Canon 800D||Canon G3 X|
|Focus System||Phase-detect AF||Contrast-detect AF|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000s||1/2000s|
|Continuous Shooting||6 shutter flaps/s||5.9 shutter flaps/s|
|Fill Flash||Built-in Flash||Built-in Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Single or Dual Card Slots||Single card slot||Single card slot|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Canon 800D||Canon G3 X|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||mini HDMI||mini HDMI|
|Microphone Port||External MIC port||External MIC port|
|Headphone Socket||no Headphone port||Headphone port|
|Wifi Support||Wifi built-in||Wifi built-in|
|Near-Field Communication||NFC built-in||NFC built-in|
|Bluetooth Support||Bluetooth built-in||no Bluetooth|
|Body Specs||Canon 800D||Canon G3 X|
|Environmental Sealing||not weather sealed||Weathersealed body|
|Battery Life (CIPA)||600 shots per charge||300 shots per charge|
131 x 100 x 76 mm
(5.2 x 3.9 x 3.0 in)
123 x 77 x 105 mm
(4.8 x 3.0 x 4.1 in)
|Camera Weight||532 g (18.8 oz)||733 g (25.9 oz)|
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