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Canon 1D X Mark III vs Sony A7 III

The Canon EOS-1D X Mark III and the Sony Alpha A7 III are two digital cameras that were officially introduced, respectively, in January 2020 and February 2018. The 1DX Mark III is a DSLR, while the A7 III is a mirrorless interchangeable lens camera. Both cameras are equipped with a full frame sensor. The Canon has a resolution of 20 megapixels, whereas the Sony provides 24 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon 1D X Mark III
versus
Sony A7 III
Canon 1D X Mark III   Sony A7 III
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Sony E mount lenses
20 MP – Full Frame sensor 24 MP – Full Frame sensor
4K/60p Video 4K/30p Video
ISO 100-102,400 (50 - 819,200) ISO 100-51,200 (50 - 204,800)
Optical viewfinder Electronic viewfinder (2359k dots)
3.2" LCD – 2100k dots 3.2" LCD – 922k dots
Fixed touchscreen Tilting touchscreen
20 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
2850 shots per battery charge610 shots per battery charge
158 x 168 x 83 mm, 1440 g 127 x 96 x 74 mm, 650 g
Canon 1D X Mark III:
Check current price at
i
Sony A7 III:
Check current price at
i

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1D X Mark III and the Sony Alpha A7 III? 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.

Body comparison

The physical size and weight of the Canon 1D X Mark III and the Sony A7 III 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 size dimensions are rounded to the nearest millimeter.

Size Canon 1D X Mark III vs Sony A7 III
Compare 1DX Mark III versus A7 III top
Comparison 1DX Mark III or A7 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 III is considerably smaller (54 percent) than the Canon 1D X Mark III. Moreover, the A7 III is substantially lighter (55 percent) than the 1DX Mark III. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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. Both cameras have similarly sized sensors, but DSLRs have a larger flange-to-focal plane distance than mirrorless cameras, which imposes contraints on the optical engineering process and generally leads to bigger and heavier lenses. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (1DX Mark III) and the Sony FE Lens Catalog (A7 III). Mirrorless cameras, such as the A7 III, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the 1DX Mark III gets 2850 shots out of its LP-E19 battery, while the A7 III can take 610 images on a single charge of its NP-FZ100 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 A7 III, Sony provides the VG-C3EM vertical grip as an optional accessory (see here on eBay). The power pack in the A7 III can be charged via the USB port, which can be very convenient when travelling.

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.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 1D X Mark III 158 mm 168 mm 83 mm 1440 g 2850 Y Jan 2020 6,499 i
2.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 i
3.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999i
4.
 
Canon 1D C 158 mm 164 mm 83 mm 1545 g 1120 Y Apr 2012 14,999i
5.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499i
6.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099i
7.
 
Canon 1D X 158 mm 168 mm 83 mm 1551 g 1120 Y Oct 2011 6,799i
8.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499i
9.
 
Canon 1Ds Mark III 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 7,999i
10.
 
Canon 1Ds Mark II 156 mm 158 mm 80 mm 1215 g 1200 Y Sep 2004 7,999i
11.
 
Nikon D6 160 mm 163 mm 92 mm 1270 g 3580 Y Feb 2020 6,499 i
12.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999i
13.
 
Nikon D5 160 mm 159 mm 92 mm 1415 g 3780 Y Jan 2016 6,499i
14.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499 i
15.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199i
16.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499i
17.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999i
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 retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The A7 III was launched at a markedly lower price (by 69 percent) than the 1DX Mark III, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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.

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Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. The sensor area in the A7 III is 2 percent smaller. They nevertheless have the same format factor of 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 1D X Mark III and Sony A7 III sensor measures

Despite having a slightly smaller sensor, the A7 III 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 5.94μm versus 6.57μm for the 1DX Mark III). Moreover, it should be noted that the 1DX Mark III is a somewhat more recent model (by 1 year and 10 months) than the A7 III, 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 Sony A7 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 III 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 Sony Alpha A7 III are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

1DX Mark III versus A7 III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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"). Of the two cameras under consideration, the A7 III has a markedly higher DXO score than the 1DX Mark III (overall score 5 points higher), which will translate into better image quality. The advantage is based on 0.8 bits higher color depth, 0.2 EV in additional dynamic range, and 0.2 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.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 1D X Mark III Full Frame 20.0 5472 36484K/60p24.214.5324891
2.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
3.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
4.
 
Canon 1D C Full Frame 17.9 5184 34564K/24p24.313.0215585
5.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
6.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
7.
 
Canon 1D X Full Frame 17.9 5184 34561080/30p23.811.8278682
8.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
9.
 
Canon 1Ds Mark III Full Frame 21.0 5616 3744none24.012.0166380
10.
 
Canon 1Ds Mark II Full Frame 16.6 4992 3328none23.311.3148074
11.
 
Nikon D6 Full Frame 20.7 5568 37124K/30p25.314.3288695
12.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
13.
 
Nikon D5 Full Frame 20.7 5588 37124K/30p25.112.3234388
14.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
15.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
16.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
17.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the 1DX Mark III provides a higher frame rate than the A7 III. It can shoot video footage at 4K/60p, while the Sony is limited to 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7 III has an electronic viewfinder (2359k dots), while the 1DX Mark III has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the A7 III has a higher magnification than the one of the 1DX Mark III (0.78x vs 0.76x), 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 Sony A7 III along with similar information for a selection of comparators.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 1D X Mark IIIoptical Y3.2 / 2100 fixed Y 1/8000s 20.0/s n n
2.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
3.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0/s n n
4.
 
Canon 1D Coptical Y3.2 / 1040 fixed n 1/8000s 14.0/s n n
5.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
6.
 
Canon 6Doptical Y3.0 / 1040 fixed n 1/4000s 4.5/s n n
7.
 
Canon 1D Xoptical Y3.2 / 1040 fixed n 1/8000s 14.0/s n n
8.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
9.
 
Canon 1Ds Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 5.0/s n n
10.
 
Canon 1Ds Mark IIoptical Y2.0 / 230 fixed n 1/8000s 4.0/s n n
11.
 
Nikon D6optical Y3.2 / 2359 fixed Y 1/8000s 14.0/s n n
12.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
13.
 
Nikon D5optical Y3.2 / 2359 fixed Y 1/8000s 14.0/s n n
14.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
17.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the 1DX Mark III, but is missing on the A7 III is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the A7 III is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Canon 1D X Mark III and the Sony A7 III 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 A7 III uses SDXC or Memory Stick PRO Duo cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails.

Connectivity comparison

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 Sony Alpha A7 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 1D X Mark IIIYmono / monoYYmini3.1Y-Y
2.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
3.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
4.
 
Canon 1D CYmono / monoYYmini2.0---
5.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
6.
 
Canon 6DYmono / monoY-mini2.0Y--
7.
 
Canon 1D XYmono / -Y-mini2.0---
8.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
9.
 
Canon 1Ds Mark IIIYmono / ----2.0---
10.
 
Canon 1Ds Mark IIY- / ----2.0---
11.
 
Nikon D6Ystereo / monoYYmini3.1Y-Y
12.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
13.
 
Nikon D5Ystereo / monoYYmini3.0---
14.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
15.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
16.
 
Sony A9Ystereo / monoYYmicro2.0YYY
17.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-

Studio photographers will appreciate that the Canon 1D X Mark III (unlike the A7 III) 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 A7 III are recent models that are part of the current product line-up. The A7 III replaced the earlier Sony A7 II, 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 and Sony websites.

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Review summary

So what is the bottom line? Which of the two cameras – the Canon 1D X Mark III or the Sony A7 III – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Advantages of the Canon EOS-1D X Mark III:

  • Better video: Provides higher movie framerates (4K/60p versus 4K/30p).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • 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 922k dots).
  • Faster burst: Shoots at higher frequency (20 vs 10 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 610) on a single battery charge.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More modern: Is somewhat more recent (announced 1 year and 10 months after the A7 III).

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Arguments in favor of the Sony Alpha A7 III:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • Better image quality: Scores markedly higher (5 points) in the DXO overall evaluation.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.76x).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (127x96mm vs 158x168mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 790g or 55 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced into a lower priced category (69 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in February 2018).

If the count of relative strengths (bullet points above) is taken as a measure, the A7 III emerges as the winner of the match-up (14 : 11 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. 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.

1DX Mark III 11:14 A7 III

How about other alternatives? Do the specifications of the Canon 1D X Mark III and the Sony A7 III place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 1DX Mark III or the A7 III. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major 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.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 1D X Mark III..+ +5/5..4.5/54/5 Jan 2020 6,499 i
2.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 i
3.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 5,999i
4.
 
Canon 1D C............ Apr 2012 14,999i
5.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499i
6.
 
Canon 6D5/5+ +..83/1004.5/54.5/5 Sep 2012 2,099i
7.
 
Canon 1D X5/5......4.5/54.5/5 Oct 2011 6,799i
8.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499i
9.
 
Canon 1Ds Mark III......+ +4.5/5.. Aug 2007 7,999i
10.
 
Canon 1Ds Mark II......+ +.... Sep 2004 7,999i
11.
 
Nikon D6....4/5..4.5/54.5/5 Feb 2020 6,499 i
12.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 1,999i
13.
 
Nikon D5....4/589/1004.5/55/5 Jan 2016 6,499i
14.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499 i
15.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199i
16.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499i
17.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated 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.

Canon 1D X Mark III:
Check current price at
i
Sony A7 III:
Check current price at
i

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 use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon 1D X Mark III vs Sony A7 III

    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 Specifications
    Camera Model Canon 1D X Mark III Sony A7 III
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Sony E mount lenses
    Launch Date January 2020 February 2018
    Launch Price USD 6,499 USD 1,999
    Sensor Specs Canon 1D X Mark III Sony A7 III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 36.0 x 24.0 mm 35.6 x 23.8 mm
    Sensor Area 864 mm2 847.28 mm2
    Sensor Diagonal 43.3 mm 42.8 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 20 Megapixels 24 Megapixels
    Image Resolution 5472 x 3648 pixels 6000 x 4000 pixels
    Pixel Pitch 6.57 μm 5.94 μm
    Pixel Density 2.31 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/60p Video 4K/30p Video
    ISO Setting 100 - 102,400 ISO 100 - 51,200 ISO
    ISO Boost 50 - 819,200 ISO 50 - 204,800 ISO
    Image Processor DIGIC X BIONZ X
    DXO Sensor Quality (score) 91 96
    DXO Color Depth (bits) 24.2 25.0
    DXO Dynamic Range (EV) 14.5 14.7
    DXO Low Light (ISO) 3248 3730
    Screen Specs Canon 1D X Mark III Sony A7 III
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.76x 0.78x
    Viewfinder Resolution 2359k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2100k dots 922k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon 1D X Mark III Sony A7 III
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 20 shutter flaps/s 10 shutter flaps/s
    Shutter Life Expectancy500 000 actuations200 000 actuations
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CFexpress cards MS or SDXC cards
    Second Storage Option Dual card slots Dual card slots
    Connectivity Specs Canon 1D X Mark III Sony A7 III
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.1 USB 3.1
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port 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 Sony A7 III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type LP-E19 NP-FZ100
    Battery Life (CIPA)2850 shots per charge610 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 158 x 168 x 83 mm
    (6.2 x 6.6 x 3.3 in)
    127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    Camera Weight 1440 g (50.8 oz) 650 g (22.9 oz)
    Canon 1D X Mark III:
    Check current price at
    i
    Sony A7 III:
    Check current price at
    i

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