Canon 1D X Mark III vs 77D
The Canon EOS-1D X Mark III and the Canon EOS 77D are two digital cameras that were officially introduced, respectively, in January 2020 and February 2017. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (1DX Mark III) and an APS-C (77D) sensor. The 1DX Mark III has a resolution of 20 megapixels, whereas the 77D provides 24 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-1D X Mark III and the Canon EOS 77D? 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 physical size and weight of the Canon 1D X Mark III and the Canon 77D are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions 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 77D is considerably smaller (51 percent) than the Canon 1D X Mark III. Moreover, the 77D is substantially lighter (63 percent) than the 1DX Mark III. It is worth mentioning in this context that the 1DX Mark III is splash and dust resistant, while the 77D does not feature any corresponding weather-sealing.
The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor (as in the 1DX Mark III) will tend to go along with bigger and heavier lenses, while more compact options are available for the smaller-sensor camera (77D). You can compare the optics available in the Canon EF Lens Catalog.
Concerning battery life, the 1DX Mark III gets 2850 shots out of its LP-E19 battery, while the 77D can take 600 images on a single charge of its LP-E17 power pack. As can be seen in the images above, the 1DX Mark III has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the 77D, there are third party battery grips available as optional accessories (see here on eBay).
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.
|1.||Canon 1D X Mark III||158 mm||168 mm||83 mm||1440 g||2850||Y||Jan 2020||6,499|
|2.||Canon 77D||131 mm||100 mm||76 mm||540 g||600||n||Feb 2017||899|
|3.||Canon T7||129 mm||101 mm||78 mm||475 g||500||n||Feb 2018||449|
|4.||Canon SL2||122 mm||93 mm||70 mm||453 g||650||n||Jun 2017||549|
|5.||Canon T7i||131 mm||100 mm||76 mm||532 g||600||n||Feb 2017||749|
|6.||Canon 1D X Mark II||158 mm||168 mm||83 mm||1530 g||1210||Y||Feb 2016||5,999|
|7.||Canon T6i||132 mm||101 mm||78 mm||555 g||440||n||Feb 2015||749|
|8.||Canon T6s||132 mm||101 mm||78 mm||565 g||440||n||Feb 2015||649|
|9.||Canon 1D C||158 mm||164 mm||83 mm||1545 g||1120||Y||Apr 2012||14,999|
|10.||Canon 5D Mark III||152 mm||116 mm||76 mm||950 g||950||Y||Mar 2012||3,499|
|11.||Canon 6D||145 mm||111 mm||71 mm||770 g||1090||Y||Sep 2012||2,099|
|12.||Canon 1D X||158 mm||168 mm||83 mm||1551 g||1120||Y||Oct 2011||6,799|
|13.||Canon 5D Mark II||152 mm||114 mm||75 mm||850 g||850||Y||Sep 2008||3,499|
|14.||Canon 1Ds Mark III||150 mm||160 mm||80 mm||1385 g||1800||Y||Aug 2007||7,999|
|15.||Canon 1Ds Mark II||156 mm||158 mm||80 mm||1215 g||1200||Y||Sep 2004||7,999|
|16.||Nikon D6||160 mm||163 mm||92 mm||1270 g||3580||Y||Feb 2020||6,499|
|17.||Nikon D5||160 mm||159 mm||92 mm||1415 g||3780||Y||Jan 2016||6,499|
|Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
The price is, of course, an important factor in any camera decision. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The 77D was launched at a markedly lower price (by 86 percent) than the 1DX Mark III, which puts it into a different market segment. 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Canon 1D X Mark III features a full frame sensor and the Canon 77D an APS-C sensor. The sensor area in the 77D is 62 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
In terms of chip-set technology, the 1DX Mark III uses a more advanced image processing engine (DIGIC X) than the 77D (DIGIC 7), with benefits for noise reduction, color accuracy, and processing speed.
Despite having a smaller sensor, the 77D offers a higher resolution of 24 megapixels, compared with 20 MP of the 1DX Mark III. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.72μm versus 6.57μm for the 1DX Mark III). Moreover, it should be noted that the 1DX Mark III is much more recent (by 2 years and 10 months) than the 77D, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.
The resolution advantage of the Canon 77D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 77D 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 1D X Mark III 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 Canon EOS-1D X Mark III has a native sensitivity range from ISO 100 to ISO 102400, which can be extended to ISO 50-819200. The corresponding ISO settings for the Canon EOS 77D are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 100-51200.
For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under review, the 1DX Mark III provides substantially higher image quality than the 77D, with an overall score that is 13 points higher. This advantage is based on 0.6 bits higher color depth, 1.2 EV in additional dynamic range, and 1.7 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.
|1.||Canon 1D X Mark III||Full Frame||20.0||5472||3648||4K/60p||24.2||14.5||3248||91|
|6.||Canon 1D X Mark II||Full Frame||20.0||5472||3648||4K/60p||24.1||13.5||3207||88|
|9.||Canon 1D C||Full Frame||17.9||5184||3456||4K/24p||24.3||13.0||2155||85|
|10.||Canon 5D Mark III||Full Frame||22.1||5760||3840||1080/30p||24.0||11.7||2293||81|
|11.||Canon 6D||Full Frame||20.0||5472||3648||1080/30p||23.8||12.1||2340||82|
|12.||Canon 1D X||Full Frame||17.9||5184||3456||1080/30p||23.8||11.8||2786||82|
|13.||Canon 5D Mark II||Full Frame||21.0||5616||3744||1080/30p||23.7||11.9||1815||79|
|14.||Canon 1Ds Mark III||Full Frame||21.0||5616||3744||none||24.0||12.0||1663||80|
|15.||Canon 1Ds Mark II||Full Frame||16.6||4992||3328||none||23.3||11.3||1480||74|
|16.||Nikon D6||Full Frame||20.7||5568||3712||4K/30p||25.3||14.3||2886||95|
|17.||Nikon D5||Full Frame||20.7||5588||3712||4K/30p||25.1||12.3||2343||88|
|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 also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the 1DX Mark III provides a higher video resolution than the 77D. It can shoot video footage at 4K/60p, while the 77D is limited to 1080/60p.
Apart from body and sensor, cameras can and do differ across a variety of features. The 1DX Mark III and the 77D are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinder in the 1DX Mark III offers a wider field of view (100%) than the one in the 77D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the 1DX Mark III has a higher magnification (0.76x vs 0.51x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Canon 1D X Mark III and Canon 77D along with similar information for a selection of comparators.
|1.||Canon 1D X Mark III||optical||Y||3.2 / 2100||fixed||Y||1/8000s||20.0/s||n||n|
|2.||Canon 77D||optical||Y||3.0 / 1040||swivel||Y||1/4000s||6.0/s||Y||n|
|3.||Canon T7||optical||n||3.0 / 920||fixed||n||1/4000s||3.0/s||Y||n|
|4.||Canon SL2||optical||n||3.0 / 1040||swivel||Y||1/4000s||5.0/s||Y||n|
|5.||Canon T7i||optical||n||3.0 / 1040||swivel||Y||1/4000s||6.0/s||Y||n|
|6.||Canon 1D X Mark II||optical||Y||3.2 / 1620||fixed||Y||1/8000s||16.0/s||n||n|
|7.||Canon T6i||optical||n||3.0 / 1040||swivel||Y||1/4000s||5.0/s||Y||n|
|8.||Canon T6s||optical||Y||3.0 / 1040||swivel||Y||1/4000s||5.0/s||Y||n|
|9.||Canon 1D C||optical||Y||3.2 / 1040||fixed||n||1/8000s||14.0/s||n||n|
|10.||Canon 5D Mark III||optical||Y||3.2 / 1040||fixed||n||1/8000s||6.0/s||n||n|
|11.||Canon 6D||optical||Y||3.0 / 1040||fixed||n||1/4000s||4.5/s||n||n|
|12.||Canon 1D X||optical||Y||3.2 / 1040||fixed||n||1/8000s||14.0/s||n||n|
|13.||Canon 5D Mark II||optical||Y||3.0 / 920||fixed||n||1/8000s||3.9/s||n||n|
|14.||Canon 1Ds Mark III||optical||Y||3.0 / 230||fixed||n||1/8000s||5.0/s||n||n|
|15.||Canon 1Ds Mark II||optical||Y||2.0 / 230||fixed||n||1/8000s||4.0/s||n||n|
|16.||Nikon D6||optical||Y||3.2 / 2359||fixed||Y||1/8000s||14.0/s||n||n|
|17.||Nikon D5||optical||Y||3.2 / 2359||fixed||Y||1/8000s||14.0/s||n||n|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One difference between the cameras concerns the presence of an on-board flash. The 77D has one, while the 1DX Mark III does not. While the built-in flash of the 77D is not very powerful, it can at times be useful as a fill-in light.The 77D has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the 1DX Mark III does not have a selfie-screen.
The Canon 1D X Mark III and the Canon 77D both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.
The 1DX Mark III writes its imaging data to CFexpress cards, while the 77D uses SDXC cards. The 1DX Mark III features dual card slots, which can be very useful in case a memory card fails. In contrast, the 77D only has one slot.
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-1D X Mark III and Canon EOS 77D and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Canon 1D X Mark III||Y||mono / mono||Y||Y||mini||3.1||Y||-||Y|
|2.||Canon 77D||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|3.||Canon T7||Y||mono / mono||-||-||mini||2.0||Y||Y||-|
|4.||Canon SL2||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|5.||Canon T7i||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|6.||Canon 1D X Mark II||Y||mono / mono||Y||Y||mini||3.0||-||-||-|
|7.||Canon T6i||Y||stereo / mono||Y||-||mini||2.0||Y||Y||-|
|8.||Canon T6s||Y||stereo / mono||Y||-||mini||2.0||Y||Y||-|
|9.||Canon 1D C||Y||mono / mono||Y||Y||mini||2.0||-||-||-|
|10.||Canon 5D Mark III||Y||mono / mono||Y||Y||mini||2.0||-||-||-|
|11.||Canon 6D||Y||mono / mono||Y||-||mini||2.0||Y||-||-|
|12.||Canon 1D X||Y||mono / -||Y||-||mini||2.0||-||-||-|
|13.||Canon 5D Mark II||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|14.||Canon 1Ds Mark III||Y||mono / -||-||-||-||2.0||-||-||-|
|15.||Canon 1Ds Mark II||Y||- / -||-||-||-||2.0||-||-||-|
|16.||Nikon D6||Y||stereo / mono||Y||Y||mini||3.1||Y||-||Y|
|17.||Nikon D5||Y||stereo / mono||Y||Y||mini||3.0||-||-||-|
It is notable that the 1DX Mark III has a headphone jack, which is not present on the 77D This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.
Studio photographers will appreciate that the Canon 1D X Mark III (unlike the 77D) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Travel and landscape photographers will find it useful that the 1DX Mark III has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.
Both the 1DX Mark III and the 77D are recent models that are part of the current product line-up. The 77D replaced the earlier Canon T6s, while the 1DX Mark III followed on from the Canon 1DX Mark II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.
So what is the bottom line? Which of the two cameras – the Canon 1D X Mark III or the Canon 77D – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.
Arguments in favor of the Canon EOS-1D X Mark III:
- Better image quality: Scores substantially higher (13 points) in the DXO overall assessment.
- More dynamic range: Captures a larger spectrum of light and dark details (1.2 EV of extra DR).
- Better low-light sensitivity: Requires less light for good images (1.7 stops ISO advantage).
- Better jpgs: Has a more modern image processing engine (DIGIC X vs DIGIC 7).
- Better video: Provides higher definition movie capture (4K/60p vs 1080/60p).
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.51x).
- 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 (2100k vs 1040k dots).
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (20 vs 6 flaps/sec) to capture the decisive moment.
- More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
- Longer lasting: Can take more shots (2850 versus 600) on a single battery charge.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- Easier geotagging: Features an internal GPS sensor to log localization data.
- Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- More modern: Reflects 2 years and 10 months of technical progress since the 77D launch.
Advantages of the Canon EOS 77D:
- More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- More compact: Is smaller (131x100mm vs 158x168mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 900g or 62 percent) and is thus easier to take along.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- More affordable: Was introduced into a lower priced category (86 percent cheaper at launch).
- More heavily discounted: Has been around for much longer (launched in February 2017).
If the count of relative strengths (bullet points above) is taken as a measure, the 1DX Mark III is the clear winner of the match-up (20 : 9 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro 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 1D X Mark III and the Canon 77D place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.
In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the 1DX Mark III and the 77D in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.
This is why expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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 1D X Mark III||..||+ +||5/5||..||4.5/5||4/5||Jan 2020||6,499|
|2.||Canon 77D||4.5/5||..||4/5||82/100||4.5/5||4/5||Feb 2017||899|
|3.||Canon T7||..||o||..||..||3.5/5||3.5/5||Feb 2018||449|
|4.||Canon SL2||4/5||+ +||4/5||78/100||4.5/5||4.5/5||Jun 2017||549|
|5.||Canon T7i||4.5/5||..||3.5/5||80/100||4.5/5||4/5||Feb 2017||749|
|6.||Canon 1D X Mark II||..||..||4.5/5||89/100||4.5/5||4.5/5||Feb 2016||5,999|
|7.||Canon T6i||5/5||..||..||75/100||4.5/5||4.5/5||Feb 2015||749|
|8.||Canon T6s||5/5||+||..||77/100||4.5/5||4.5/5||Feb 2015||649|
|9.||Canon 1D C||..||..||..||..||..||..||Apr 2012||14,999|
|10.||Canon 5D Mark III||..||+ +||..||82/100||4.5/5||4.5/5||Mar 2012||3,499|
|11.||Canon 6D||5/5||+ +||..||83/100||4.5/5||4.5/5||Sep 2012||2,099|
|12.||Canon 1D X||5/5||..||..||..||4.5/5||4.5/5||Oct 2011||6,799|
|13.||Canon 5D Mark II||4/5||91/100||..||79/100||4/5||..||Sep 2008||3,499|
|14.||Canon 1Ds Mark III||..||..||..||+ +||4.5/5||..||Aug 2007||7,999|
|15.||Canon 1Ds Mark II||..||..||..||+ +||..||..||Sep 2004||7,999|
|16.||Nikon D6||..||..||4/5||..||4.5/5||4.5/5||Feb 2020||6,499|
|17.||Nikon D5||..||..||4/5||89/100||4.5/5||5/5||Jan 2016||6,499|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
Other camera comparisons
Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon 1D X Mark III vs Canon G9 X Mark II
- Canon 1D X Mark III vs Canon M200
- Canon 1D X Mark III vs Nikon D200
- Canon 1D X Mark III vs Nikon Z fc
- Canon 1D X Mark III vs Olympus TG-6
- Canon 1D X Mark III vs Pentax K-S1
- Canon 5D Mark II vs Canon 77D
- Canon 77D vs Fujifilm X-A10
- Canon 77D vs Nikon D4S
- Canon 77D vs Panasonic GF5
- Canon 77D vs Pentax K-1 II
- Canon 77D vs Pentax MX-1
Specifications: Canon 1D X Mark III vs Canon 77D
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 1D X Mark III||Canon 77D|
|Camera Type||Digital single lens reflex||Digital single lens reflex|
|Camera Lens||Canon EF mount lenses||Canon EF mount lenses|
|Launch Date||January 2020||February 2017|
|Launch Price||USD 6,499||USD 899|
|Sensor Specs||Canon 1D X Mark III||Canon 77D|
|Sensor Format||Full Frame Sensor||APS-C Sensor|
|Sensor Size||36.0 x 24.0 mm||22.3 x 14.9 mm|
|Sensor Area||864 mm2||332.27 mm2|
|Sensor Diagonal||43.3 mm||26.8 mm|
|Sensor Resolution||20 Megapixels||24 Megapixels|
|Image Resolution||5472 x 3648 pixels||6000 x 4000 pixels|
|Pixel Pitch||6.57 μm||3.72 μm|
|Pixel Density||2.31 MP/cm2||7.22 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||4K/60p Video||1080/60p Video|
|ISO Setting||100 - 102,400 ISO||100 - 25,600 ISO|
|ISO Boost||50 - 819,200 ISO||100 - 51,200 ISO|
|Image Processor||DIGIC X||DIGIC 7|
|DXO Sensor Quality (score)||91||78|
|DXO Color Depth (bits)||24.2||23.6|
|DXO Dynamic Range (EV)||14.5||13.3|
|DXO Low Light (ISO)||3248||971|
|Screen Specs||Canon 1D X Mark III||Canon 77D|
|Viewfinder Type||Optical viewfinder||Optical viewfinder|
|Viewfinder Field of View||100%||95%|
|Top-Level Screen||Control Panel||Control Panel|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.2inch||3.0inch|
|LCD Resolution||2100k dots||1040k dots|
|LCD Attachment||Fixed screen||Swivel screen|
|Shooting Specs||Canon 1D X Mark III||Canon 77D|
|Focus System||Phase-detect AF||Phase-detect AF|
|Continuous Shooting||20 shutter flaps/s||6 shutter flaps/s|
|Shutter Life Expectancy||500 000 actuations||100 000 actuations|
|Time-Lapse Photography||Intervalometer built-in||Intervalometer built-in|
|Fill Flash||no On-Board Flash||Built-in Flash|
|Storage Medium||CFexpress cards||SDXC cards|
|Second Storage Option||Dual card slots||Single card slot|
|Connectivity Specs||Canon 1D X Mark III||Canon 77D|
|Studio Flash||PC Sync socket||no PC Sync|
|USB Connector||USB 3.1||USB 2.0|
|HDMI Port||mini HDMI||mini HDMI|
|Microphone Port||External MIC port||External MIC port|
|Headphone Socket||Headphone port||no Headphone port|
|Wifi Support||Wifi built-in||Wifi built-in|
|Near-Field Communication||no NFC||NFC built-in|
|Bluetooth Support||Bluetooth built-in||Bluetooth built-in|
|Geotagging||GPS built-in||no internal GPS|
|Body Specs||Canon 1D X Mark III||Canon 77D|
|Environmental Sealing||Weathersealed body||not weather sealed|
|Battery Life (CIPA)||2850 shots per charge||600 shots per charge|
158 x 168 x 83 mm
(6.2 x 6.6 x 3.3 in)
131 x 100 x 76 mm
(5.2 x 3.9 x 3.0 in)
|Camera Weight||1440 g (50.8 oz)||540 g (19.0 oz)|
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