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Sony A7 III vs Canon 6D

The Sony Alpha A7 III and the Canon EOS 6D are two enthusiast cameras that were revealed to the public, respectively, in February 2018 and September 2012. The A7 III is a mirrorless interchangeable lens camera, while the 6D is a DSLR. Both cameras are equipped with a full frame sensor. The Sony has a resolution of 24 megapixels, whereas the Canon provides 20 MP.

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

Headline Specifications
Sony A7 III
versus
Canon 6D
Sony A7 III   Canon 6D
Mirrorless system camera Digital single lens reflex
Sony E mount lenses Canon EF mount lenses
24 MP – Full Frame sensor 20 MP – Full Frame sensor
4K/30p Video 1080/30p Video
ISO 100-51,200 (50 - 204,800) ISO 100-25,600 (50 - 102,400)
Electronic viewfinder (2359k dots) Optical viewfinder
3.0" LCD – 922k dots 3.0" LCD – 1040k dots
Tilting touchscreen Fixed screen (not touch-sensitive)
10 shutter flaps per second 4.5 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyWeathersealed body
610 shots per battery charge1090 shots per battery charge
127 x 96 x 74 mm, 650 g 145 x 111 x 71 mm, 770 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A7 III and the Canon EOS 6D? 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Sony A7 III and the Canon 6D. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Sony A7 III vs Canon 6D
Compare A7 III versus 6D top
Comparison A7 III or 6D rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 6D is notably larger (32 percent) than the Sony A7 III. Moreover, the 6D is markedly heavier (18 percent) than the A7 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 Sony FE Lens Catalog (A7 III) and the Canon EF Lens Catalog (6D). Mirrorless cameras, such as the Sony A7 III, have moreover the advantage that they have a relatively short flange to focal plane distance and can thus use many lenses from other systems via adapters.

Concerning battery life, the A7 III gets 610 shots out of its Sony NP-FZ100 battery, while the 6D can take 1090 images on a single charge of its Canon LP-E6 power pack. The power pack in the A7 III can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
2.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099ebay.com
3.
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 amazon.com
4.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999ebay.com
5.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
6.
 
Canon 7D II 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799ebay.com
7.
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199ebay.com
8.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999ebay.com
9.
 
Sony A7 IV 131 mm 96 mm 80 mm 659 g 580 Y Oct 2021 2,499 amazon.com
10.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 3,199 amazon.com
11.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 1,799 amazon.com
12.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 amazon.com
13.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
14.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
15.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.com
16.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will naturally be influenced heavily by the price. 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 A7 III was somewhat cheaper (by 5 percent) than the 6D at launch, but both cameras fall into the same price category. 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels 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 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 6D is 2 percent bigger. 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.

Sony A7 III and Canon 6D sensor measures

Despite having a slightly smaller sensor, the Sony A7 III offers a higher resolution of 24 megapixels, compared with 20 MP of the Canon 6D. 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 6D). However, it should be noted that the A7 III is much more recent (by 5 years and 5 months) than the 6D, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

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 6D 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 A7 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Sony Alpha A7 III has a native sensitivity range from ISO 100 to ISO 51200, which can be extended to ISO 50-204800. The corresponding ISO settings for the Canon EOS 6D are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-102400.

In terms of underlying technology, the A7 III is build around a BSI-CMOS sensor, while the 6D uses a 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.

A7 III versus 6D MP

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"). Of the two cameras under review, the A7 III provides substantially higher image quality than the 6D, with an overall score that is 14 points higher. This advantage is based on 1.2 bits higher color depth, 2.6 EV in additional dynamic range, and 0.7 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
2.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
3.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
4.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
5.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
6.
 
Canon 7D II APS-C 20.0 5472 36481080/60p22.411.8108270
7.
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
8.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
9.
 
Sony A7 IV Full Frame 32.7 7008 46724K/60p25.414.7337997
10.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
11.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
12.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
13.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
14.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
15.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
16.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
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Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A7 III provides a higher video resolution than the 6D. It can shoot video footage at 4K/30p, while the Canon is limited to 1080/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A7 III has an electronic viewfinder (2359k dots), while the 6D 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 viewfinder in the A7 III offers a wider field of view (100%) than the one in the 6D (97%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A7 III has a higher magnification (0.78x vs 0.71x), 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 Sony A7 III and Canon 6D along with similar information for a selection of comparators.

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Core Features
# image 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.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
2.
 
Canon 6Doptical Y3.0 / 1040 fixed n 1/4000s 4.5/s n n
3.
 
Canon 6D Mark IIoptical Y3.0 / 1040 swivel Y 1/4000s 6.5/s n n
4.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0/s n n
5.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
6.
 
Canon 7D IIoptical Y3.0 / 1040 fixed n 1/8000s 10.0/s Y n
7.
 
Canon 70Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
8.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
9.
 
Sony A7 IV3686 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
10.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
11.
 
Sony A7C2360 n3.0 / 922 swivel Y 1/4000s 10.0/s n Y
12.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
13.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
16.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One feature that differentiates the A7 III and the 6D is in-body image stabilization (IBIS). The A7 III reduces the risk of handshake-induced blur with all attached lenses, while the 6D offers no blur reduction with lenses that themselves do not provide optical image stabilization.

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 Sony A7 III has 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 A7 III writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the 6D uses SDXC cards. The A7 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the 6D only has one slot. The A7 III supports UHS-II cards (on its first slot), while the 6D can use UHS-I cards.

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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 Sony Alpha A7 III and Canon EOS 6D and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
2.
 
Canon 6DYmono / monoY-mini2.0Y--
3.
 
Canon 6D Mark IIYstereo / monoY-mini2.0YYY
4.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
5.
 
Canon 5DSYmono / monoY-mini3.0---
6.
 
Canon 7D IIYstereo / monoYYmini3.0---
7.
 
Canon 70DYstereo / monoY-mini2.0Y--
8.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
9.
 
Sony A7 IVYstereo / monoYYfull3.2Y-Y
10.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
11.
 
Sony A7CYstereo / monoYYmicro3.2YYY
12.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
13.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
14.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A9Ystereo / monoYYmicro2.0YYY
16.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
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It is notable that the A7 III has a headphone jack, which is not present on the 6D This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

Travel and landscape photographers will find it useful that the 6D has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The A7 III is a recent model that features in the current product line-up of Sony. In contrast, the 6D has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the 6D was succeeded by the Canon 6D Mark II. Further information on the features and operation of the A7 III and 6D can be found, respectively, in the Sony A7 III Manual (free pdf) or the online Canon 6D Manual.

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Review summary

So what conclusions can be drawn? Is the Sony A7 III better than the Canon 6D or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Sony Alpha A7 III:

  • More detail: Offers more megapixels (24 vs 20MP) with a 10% higher linear resolution.
  • Better image quality: Scores substantially higher (14 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.2 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (2.6 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.7 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 97%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.71x).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 4.5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (127x96mm vs 145x111mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 120g or 16 percent) and hence easier to carry around.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 5 years and 5 months of technical progress since the 6D launch.

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Arguments in favor of the Canon EOS 6D:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 922k dots).
  • Longer lasting: Gets more shots (1090 versus 610) out of a single battery charge.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • More heavily discounted: Has been around for much longer (launched in September 2012).

If the count of individual advantages (bullet points above) is taken as a guide, the A7 III is the clear winner of the match-up (28 : 6 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.

A7 III 28:06 6D

How about other alternatives? Do the specifications of the Sony A7 III and the Canon 6D place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR Camera listings 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 remains incomplete and does no justice, for example, to the way the A7 III or the 6D perform in practice. 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 why expert reviews are important. 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
2.
 
Canon 6D5/5+ +..83/1004.5/54.5/5 Sep 2012 2,099ebay.com
3.
 
Canon 6D Mark II4/5+4/580/1004.5/54/5 Jun 2017 1,999 amazon.com
4.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 5,999ebay.com
5.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699ebay.com
6.
 
Canon 7D II4.5/5+3.5/584/1004/54.5/5 Sep 2014 1,799ebay.com
7.
 
Canon 70D5/5+ +..83/1004.5/55/5 Jul 2013 1,199ebay.com
8.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 1,999ebay.com
9.
 
Sony A7 IV5/5+ +4.5/589/1004.5/54.5/5 Oct 2021 2,499 amazon.com
10.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 3,199 amazon.com
11.
 
Sony A7C3.5/5..3.5/586/1004/54/5 Sep 2020 1,799 amazon.com
12.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 4,499 amazon.com
13.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
14.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
15.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
16.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Sony A7 III vs Canon 6D

    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 Sony A7 III Canon 6D
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Sony E mount lenses Canon EF mount lenses
    Launch Date February 2018 September 2012
    Launch Price USD 1,999 USD 2,099
    Sensor Specs Sony A7 III Canon 6D
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 35.6 x 23.8 mm 36.0 x 24.0 mm
    Sensor Area 847.28 mm2 864 mm2
    Sensor Diagonal 42.8 mm 43.3 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 24 Megapixels 20 Megapixels
    Image Resolution 6000 x 4000 pixels 5472 x 3648 pixels
    Pixel Pitch 5.94 μm 6.57 μm
    Pixel Density 2.83 MP/cm2 2.31 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/30p Video
    ISO Setting 100 - 51,200 ISO 100 - 25,600 ISO
    ISO Boost 50 - 204,800 ISO 50 - 102,400 ISO
    Image Processor BIONZ X DIGIC 5+
    DXO Sensor Quality (score) 96 82
    DXO Color Depth (bits) 25.0 23.8
    DXO Dynamic Range (EV) 14.7 12.1
    DXO Low Light (ISO) 3730 2340
    Screen Specs Sony A7 III Canon 6D
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 97%
    Viewfinder Magnification 0.78x 0.71x
    Viewfinder Resolution 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 922k dots 1040k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Sony A7 III Canon 6D
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 10 shutter flaps/s 4.5 shutter flaps/s
    Shutter Life Expectancy200 000 actuations100 000 actuations
    Electronic ShutterYESno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium MS or SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support Single UHS-II UHS-I
    Connectivity Specs Sony A7 III Canon 6D
    External Flash Hotshoe Hotshoe
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro 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 NFC built-in no NFC
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging no internal GPS GPS built-in
    Body Specs Sony A7 III Canon 6D
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Sony NP-FZ100 Canon LP-E6
    Battery Life (CIPA)610 shots per charge1090 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    145 x 111 x 71 mm
    (5.7 x 4.4 x 2.8 in)
    Camera Weight 650 g (22.9 oz) 770 g (27.2 oz)
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