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Canon R vs 5D Mark III

The Canon EOS R and the Canon EOS 5D Mark III are two digital cameras that were officially introduced, respectively, in September 2018 and March 2012. The Canon R is a mirrorless interchangeable lens camera, while the 5D Mark III is a DSLR. Both cameras are equipped with a full frame sensor. The Canon R has a resolution of 30.1 megapixels, whereas the 5D Mark III provides 22.1 MP.

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

Headline Specifications
Canon R
versus
Canon 5D Mark III
Canon R   Canon 5D Mark III
Mirrorless system camera Digital single lens reflex
Canon RF mount lenses Canon EF mount lenses
30.1 MP – Full Frame sensor 22.1 MP – Full Frame sensor
4K/30p Video 1080/30p Video
ISO 100-40,000 (50 - 102,400) ISO 100-25,600 (50 - 102,400)
Electronic viewfinder (3690k dots) Optical viewfinder
3.2" LCD – 2100k dots 3.2" LCD – 1040k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
8 shutter flaps per second 6 shutter flaps per second
Weathersealed bodyWeathersealed body
370 shots per battery charge950 shots per battery charge
139 x 98 x 84 mm, 660 g 152 x 116 x 76 mm, 950 g
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Check Canon R offers at
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Check 5D Mark III offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS R and the Canon EOS 5D Mark 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Canon R and the Canon 5D Mark III. 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 Canon R vs Canon 5D Mark III
Compare Canon R versus 5D Mark III top
Comparison Canon R or 5D Mark III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 5D Mark III is notably larger (29 percent) than the Canon R. Moreover, the 5D Mark III is substantially heavier (44 percent) than the Canon R. 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the Canon R gets 370 shots out of its Canon LP-E6N battery, while the 5D Mark III can take 950 images on a single charge of its Canon LP-E6 power pack. The power pack in the Canon R can be charged via the USB port, so that it is not always necessary to take the battery charger along 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon R 139 mm 98 mm 84 mm 660 g 370 Y Sep 2018 2,299ebay.com
2.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
3.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
4.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 amazon.com
5.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
6.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
7.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099ebay.com
8.
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 amazon.com
9.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 2,499 amazon.com
10.
 
Canon RP 133 mm 85 mm 70 mm 485 g 250 n Feb 2019 1,299 amazon.com
11.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595ebay.com
12.
 
Leica Q2 130 mm 80 mm 92 mm 718 g 370 Y Mar 2019 4,995 amazon.com
13.
 
Nikon D610 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999ebay.com
14.
 
Nikon D750 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 2,299ebay.com
15.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999ebay.com
16.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
17.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 2,299ebay.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. The Canon R was launched at a markedly lower price (by 34 percent) than the 5D 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.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants 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 and have a format factor (sometimes also referred to as "crop factor") of 1.0. Within the spectrum of camera sensors, this places the review cameras among the large-sensor cameras that aim for top notch image quality. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

In terms of chip-set technology, the Canon R uses a more advanced image processing engine (DIGIC 8) than the 5D Mark III (DIGIC 5+), with benefits for noise reduction, color accuracy, and processing speed.

Canon R and Canon 5D Mark III sensor measures

While the two cameras under review share the same sensor size, the Canon R offers a higher resolution of 30.1 megapixels, compared with 22.1 MP of the 5D Mark III. This megapixels advantage translates into a 17 percent gain in linear resolution. On the other hand, these sensor specs imply that the Canon R has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 5.36μm versus 6.25μm for the 5D Mark III). In this context, it should be noted, however, that the Canon R is much more recent (by 6 years and 6 months) than the 5D Mark III, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size.

The resolution advantage of the Canon R implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Canon R for good quality output (200 dots per inch) amounts to 33.6 x 22.4 inches or 85.3 x 56.9 cm, for very good quality (250 dpi) 26.9 x 17.9 inches or 68.3 x 45.5 cm, and for excellent quality (300 dpi) 22.4 x 14.9 inches or 56.9 x 37.9 cm. The corresponding values for the Canon 5D Mark III are 28.8 x 19.2 inches or 73.2 x 48.8 cm for good quality, 23 x 15.4 inches or 58.5 x 39 cm for very good quality, and 19.2 x 12.8 inches or 48.8 x 32.5 cm for excellent quality prints.

The Canon R has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS R has a native sensitivity range from ISO 100 to ISO 40000, which can be extended to ISO 50-102400. The corresponding ISO settings for the Canon EOS 5D Mark III are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-102400.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

Canon R versus 5D Mark III 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 Canon R has a notably higher overall DXO score than the 5D Mark III (overall score 8 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.5 bits higher color depth, 1.8 EV in additional dynamic range, and 0.3 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon R Full Frame 30.1 6720 44804K/30p24.513.5274289
2.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
3.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
4.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
5.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
6.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
7.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
8.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
9.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.3339490
10.
 
Canon RP Full Frame 26.0 6240 41604K/30p24.311.9297785
11.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
12.
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196
13.
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
14.
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693
15.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
16.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
17.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695

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, but the Canon R provides a higher video resolution than the 5D Mark III. It can shoot video footage at 4K/30p, while the 5D Mark III is limited to 1080/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the Canon R has an electronic viewfinder (3690k dots), while the 5D 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 Canon R has a higher magnification than the one of the 5D Mark III (0.76x vs 0.71x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon R, the Canon 5D Mark III, and comparable cameras.

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Core Features
  empty 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 R3690 Y3.2 / 2100 swivel Y 1/8000s 8.0/s n n
2.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
3.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
4.
 
Canon 5D Mark IVoptical Y3.2 / 1620 fixed Y 1/8000s 7.0/s n n
5.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
6.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
7.
 
Canon 6Doptical Y3.0 / 1040 fixed n 1/4000s 4.5/s n n
8.
 
Canon 6D Mark IIoptical Y3.0 / 1040 swivel Y 1/4000s 6.5/s n n
9.
 
Canon R63690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
10.
 
Canon RP2360 n3.0 / 1040 swivel Y 1/4000s 5.0/s n n
11.
 
Leica M10optical n3.0 / 1037 fixed n 1/4000s 5.0/s n n
12.
 
Leica Q23680 n3.0 / 1040 fixed Y 1/2000s 10.0/s n Y
13.
 
Nikon D610optical Y3.2 / 921 fixed n 1/4000s 6.0/s Y n
14.
 
Nikon D750optical Y3.2 / 1229 tilting n 1/4000s 6.0/s Y n
15.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
16.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
17.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The Canon R has a touchscreen, while the 5D Mark III has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The Canon R has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the 5D Mark III does not have a selfie-screen.

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 Canon R 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 R writes its imaging data to SDXC cards, while the 5D Mark III uses Compact Flash or SDXC cards. The 5D Mark III features dual card slots, which can be very useful in case a memory card fails. In contrast, the Canon R only has one slot. The Canon R supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the 5D Mark III cannot take advantage of Ultra High Speed SD 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 Canon EOS R and Canon EOS 5D Mark 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
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon RYstereo / monoYYmini3.1Y-Y
2.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
3.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
4.
 
Canon 5D Mark IVYmono / monoYYmini3.0YY-
5.
 
Canon 5DSYmono / monoY-mini3.0---
6.
 
Canon 5DS RYmono / monoY-mini3.0---
7.
 
Canon 6DYmono / monoY-mini2.0Y--
8.
 
Canon 6D Mark IIYstereo / monoY-mini2.0YYY
9.
 
Canon R6Ymono / monoYYmicro3.2Y-Y
10.
 
Canon RPYstereo / monoYYmicro2.0Y-Y
11.
 
Leica M10Y- / -----Y--
12.
 
Leica Q2Ystereo / mono----Y-Y
13.
 
Nikon D610Ymono / monoYYmini2.0---
14.
 
Nikon D750Ystereo / monoYYmini2.0Y--
15.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
16.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
17.
 
Sony A7RYstereo / monoYYmicro2.0YY-

It is notable that the Canon R offers wifi support, while the 5D Mark III does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Canon 5D Mark III (unlike the Canon R) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the Canon R and the 5D Mark III have been discontinued, but can regularly be found used on ebay. The 5D Mark III was replaced by the Canon 5D Mark IV, while the Canon R does not have a direct successor. Further information on the features and operation of the Canon R and 5D Mark III can be found, respectively, in the Canon R Manual (free pdf) or the online Canon 5D Mark III Manual.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Canon R or the Canon 5D Mark III – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.


Reasons to prefer the Canon EOS R:

  • More detail: Offers more megapixels (30.1 vs 22.1MP) with a 17% higher linear resolution.
  • Better image quality: Scores markedly higher (8 points) in the DXO overall assessment.
  • More dynamic range: Captures a larger spectrum of light and dark details (1.8 EV of extra DR).
  • Better jpgs: Has a more modern image processing engine (DIGIC 8 vs DIGIC 5+).
  • 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.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.71x).
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 1040k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (8 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (139x98mm vs 152x116mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 290g or 31 percent) and hence easier to carry around.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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 file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards.
  • More affordable: Was introduced into a lower priced category (34 percent cheaper at launch).
  • More modern: Reflects 6 years and 6 months of technical progress since the 5D Mark III launch.


Arguments in favor of the Canon EOS 5D Mark III:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Longer lasting: Gets more shots (950 versus 370) out of a single battery charge.
  • 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 heavily discounted: Has been around for much longer (launched in March 2012).

If the count of individual advantages (bullet points above) is taken as a guide, the Canon R is the clear winner of the match-up (24 : 5 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

Canon R 24:05 5D Mark III

How about other alternatives? Do the specifications of the Canon R and the Canon 5D Mark III 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 technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the Canon R and the 5D Mark III in practical situations. 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon R4/5o4/579/1004.5/54/5 Sep 2018 2,299ebay.com
2.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
3.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
4.
 
Canon 5D Mark IV4.5/5+ +4/587/1004.5/54.5/5 Aug 2016 3,499 amazon.com
5.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699ebay.com
6.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699ebay.com
7.
 
Canon 6D5/5+ +..83/1004.5/54.5/5 Sep 2012 2,099ebay.com
8.
 
Canon 6D Mark II4/5+4/580/1004.5/54/5 Jun 2017 1,999 amazon.com
9.
 
Canon R65/5+ +4/590/1004.5/55/5 Jul 2020 2,499 amazon.com
10.
 
Canon RP4/5+4/5..4.5/54/5 Feb 2019 1,299 amazon.com
11.
 
Leica M104.5/5......4/54.5/5 Jan 2017 6,595ebay.com
12.
 
Leica Q2....4.5/584/1004.5/54/5 Mar 2019 4,995 amazon.com
13.
 
Nikon D6104/5+ +..87/1004.5/54.5/5 Oct 2013 1,999ebay.com
14.
 
Nikon D7505/5+ +4/590/1004.5/54.5/5 Sep 2014 2,299ebay.com
15.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 1,999ebay.com
16.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
17.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 2,299ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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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. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Canon R vs Canon 5D Mark 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 R Canon 5D Mark III
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Canon RF mount lenses Canon EF mount lenses
    Launch Date September 2018 March 2012
    Launch Price USD 2,299 USD 3,499
    Sensor Specs Canon R Canon 5D Mark III
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 36.0 x 24.0 mm 36.0 x 24.0 mm
    Sensor Area 864 mm2 864 mm2
    Sensor Diagonal 43.3 mm 43.3 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 30.1 Megapixels 22.1 Megapixels
    Image Resolution 6720 x 4480 pixels 5760 x 3840 pixels
    Pixel Pitch 5.36 μm 6.25 μm
    Pixel Density 3.48 MP/cm2 2.56 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/30p Video
    ISO Setting 100 - 40,000 ISO 100 - 25,600 ISO
    ISO Boost 50 - 102,400 ISO 50 - 102,400 ISO
    Image Processor DIGIC 8 DIGIC 5+
    DXO Sensor Quality (score) 89 81
    DXO Color Depth (bits) 24.5 24.0
    DXO Dynamic Range (EV) 13.5 11.7
    DXO Low Light (ISO) 2742 2293
    Screen Specs Canon R Canon 5D Mark III
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.76x 0.71x
    Viewfinder Resolution 3690k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.2inch
    LCD Resolution 2100k dots 1040k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon R Canon 5D Mark III
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 8 shutter flaps/s 6 shutter flaps/s
    Shutter Life Expectancy200 000 actuations150 000 actuations
    Electronic ShutterYESno E-Shutter
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards CF or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-II no
    Connectivity Specs Canon R Canon 5D Mark III
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    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 Headphone port
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Canon R Canon 5D Mark III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Canon LP-E6N Canon LP-E6
    Battery Life (CIPA)370 shots per charge950 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 139 x 98 x 84 mm
    (5.5 x 3.9 x 3.3 in)
    152 x 116 x 76 mm
    (6.0 x 4.6 x 3.0 in)
    Camera Weight 660 g (23.3 oz) 950 g (33.5 oz)
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