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Canon 5D Mark IV vs Olympus E-M5 III

The Canon EOS 5D Mark IV and the Olympus OM-D E-M5 Mark III are two digital cameras that were officially introduced, respectively, in August 2016 and October 2019. The 5D Mark IV is a DSLR, while the E-M5 III is a mirrorless interchangeable lens camera. The cameras are based on a full frame (5D Mark IV) and a Four Thirds (E-M5 III) sensor. The Canon has a resolution of 30.1 megapixels, whereas the Olympus provides 20.2 MP.

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

Headline Specifications
Canon 5D Mark IV VS Olympus E-M5 III
Canon 5D Mark IV Olympus E-M5 III
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Micro Four Thirds lenses
30.1 MP, Full Frame Sensor 20.2 MP, Four Thirds Sensor
4K/30p Video 4k/24p Video
ISO 100-32000 (50-102400) ISO 200-25600
Optical viewfinder Electronic viewfinder (2360k dots)
3.2" LCD, 1620k dots 3.0" LCD, 1040k dots
Fixed touchscreen Swivel touchscreen
7 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
900 shots per battery charge310 shots per battery charge
151 x 116 x 76 mm, 890 g 125 x 85 x 50 mm, 414 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 5D Mark IV and the Olympus OM-D E-M5 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.

Body comparison

An illustration of the physical size and weight of the Canon 5D Mark IV and the Olympus E-M5 III is provided 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 measures are rounded to the nearest millimeter.

The E-M5 III can be obtained in two different colors (black, silver), while the 5D Mark IV is only available in black.

Size Canon 5D Mark IV vs Olympus E-M5 III
Compare 5D Mark IV versus E-M5 III top
Comparison 5D Mark IV or E-M5 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M5 III is considerably smaller (39 percent) than the Canon 5D Mark IV. Moreover, the E-M5 III is substantially lighter (53 percent) than the 5D Mark IV. 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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (5D Mark IV) and the Micro Four Thirds Lens Catalog (E-M5 III). Mirrorless cameras, such as the E-M5 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 5D Mark IV gets 900 shots out of its LP-E6N battery, while the E-M5 III can take 310 images on a single charge of its BLS-50 power pack. The power pack in the E-M5 III can be charged via the USB port, which can be very convenient 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, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Canon 5D Mark IV» 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 iCanon 5D Mark IV
 
Olympus E-M5 III« 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 1,199 iOlympus E-M5 III
 
Canon 6D Mark II« » 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 iCanon 6D Mark II
 
Canon 1D X Mark II« » 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999iCanon 1D X Mark II
 
Canon 80D« » 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199iCanon 80D
 
Canon 5DS« » 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 iCanon 5DS
 
Canon 5DS R« » 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 iCanon 5DS R
 
Canon 5D Mark III« » 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499iCanon 5D Mark III
 
Canon 6D« » 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099iCanon 6D
 
Canon 5D Mark II« » 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499iCanon 5D Mark II
 
Nikon D850« » 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 iNikon D850
 
Nikon D810« » 146 mm 123 mm 82 mm 980 g 1200 Y Jun 2014 3,299iNikon D810
 
Olympus PEN-F« » 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199 iOlympus PEN-F
 
Olympus E-M5 II« » 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099iOlympus E-M5 II
 
Olympus E-M1« » 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399iOlympus E-M1
 
Olympus E-M5« » 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 1,299iOlympus E-M5
 
Panasonic GX8« » 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199iPanasonic GX8
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. 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 E-M5 III was launched at a markedly lower price (by 66 percent) than the 5D Mark IV, 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 imaging sensor is a crucial determinant 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. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 5D Mark IV features a full frame sensor and the Olympus E-M5 III a Four Thirds sensor. The sensor area in the E-M5 III is 74 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.0. The sensor in the 5D Mark IV has a native 3:2 aspect ratio, while the one in the E-M5 III offers a 4:3 aspect.

Canon 5D Mark IV and Olympus E-M5 III sensor measures

With 30.1MP, the 5D Mark IV offers a higher resolution than the E-M5 III (20.2MP), but the 5D Mark IV nevertheless has larger individual pixels (pixel pitch of 5.36μm versus 3.34μm for the E-M5 III) due to its larger sensor. However, the E-M5 III is a much more recent model (by 3 years and 1 month) than the 5D Mark IV, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the E-M5 III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Canon 5D Mark IV implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 5D Mark IV for good quality output (200 dots per inch) amounts to 33.6 x 22.4 inch or 85.3 x 56.9 cm, for very good quality (250 dpi) 26.9 x 17.9 inch or 68.3 x 45.5 cm, and for excellent quality (300 dpi) 22.4 x 14.9 inch or 56.9 x 37.9 cm. The corresponding values for the Olympus E-M5 III are 25.9 x 19.4 inch or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inch or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inch or 43.9 x 32.9 cm for excellent quality prints.

Unlike the 5D Mark IV, the E-M5 III has the capacity to capture high quality composite images (80MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Canon EOS 5D Mark IV has a native sensitivity range from ISO 100 to ISO 32000, which can be extended to ISO 50-102400. The corresponding ISO settings for the Olympus OM-D E-M5 Mark III are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 64-25600.

5D Mark IV versus E-M5 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"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591Canon 5D Mark IV
 
Olympus E-M5 III Four Thirds 20.2 5184 38884k/24p........Olympus E-M5 III
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285Canon 6D Mark II
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788Canon 1D X Mark II
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579Canon 80D
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187Canon 5DS
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886Canon 5DS R
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381Canon 5D Mark III
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082Canon 6D
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579Canon 5D Mark II
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100Nikon D850
 
Nikon D810 Full Frame 36.2 7360 49121080/60p25.714.8285397Nikon D810
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474Olympus PEN-F
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273Olympus E-M5 II
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773Olympus E-M1
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671Olympus E-M5
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675Panasonic GX8

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the 5D Mark IV provides a higher frame rate than the E-M5 III. It can shoot video footage at 4K/30p, while the Olympus is limited to 4k/24p.

 

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M5 III has an electronic viewfinder (2360k dots), while the 5D Mark IV 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 5D Mark IV has a higher magnification than the one of the E-M5 III (0.71x vs 0.68x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Canon 5D Mark IV and Olympus E-M5 III in connection with corresponding information for a sample of similar cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Canon 5D Mark IVoptical Y 3.2 1620 fixed Y 1/8000s 7.0 n n Canon 5D Mark IV
 
Olympus E-M5 III2360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y Olympus E-M5 III
 
Canon 6D Mark IIoptical Y 3.0 1040 swivel Y 1/4000s 6.5 n n Canon 6D Mark II
 
Canon 1D X Mark IIoptical Y 3.2 1620 fixed Y 1/8000s 16.0 n n Canon 1D X Mark II
 
Canon 80Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n Canon 80D
 
Canon 5DSoptical Y 3.2 1040 fixed n 1/8000s 5.0 n n Canon 5DS
 
Canon 5DS Roptical Y 3.2 1040 fixed n 1/8000s 5.0 n n Canon 5DS R
 
Canon 5D Mark IIIoptical Y 3.2 1040 fixed n 1/8000s 6.0 n n Canon 5D Mark III
 
Canon 6Doptical Y 3.0 1040 fixed n 1/4000s 4.5 n n Canon 6D
 
Canon 5D Mark IIoptical Y 3.0 920 fixed n 1/8000s 3.9 n n Canon 5D Mark II
 
Nikon D850optical Y 3.2 2359 tilting Y 1/8000s 9.0 n n Nikon D850
 
Nikon D810optical Y 3.2 1229 fixed n 1/8000s 5.0 Y n Nikon D810
 
Olympus PEN-F2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus PEN-F
 
Olympus E-M5 II2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y Olympus E-M5 II
 
Olympus E-M12360 n 3.0 1037 tilting Y 1/8000s 10.0 n Y Olympus E-M1
 
Olympus E-M51440 n 3.0 610 tilting Y 1/4000s 9.0 n Y Olympus E-M5
 
Panasonic GX82360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y Panasonic GX8

One feature that is present on the 5D Mark IV, but is missing on the E-M5 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 E-M5 III 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 5D Mark IV 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 E-M5 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 5D Mark IV and the Olympus E-M5 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 5D Mark IV writes its imaging data to Compact Flash or SDXC cards, while the E-M5 III uses SDXC cards. The 5D Mark IV features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-M5 III only has one slot. The E-M5 III supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the 5D Mark IV can use UHS-I cards (up to 104 MB/s).

 

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 5D Mark IV and Olympus OM-D E-M5 Mark III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Canon 5D Mark IVYmonomonoYYmini3.0YY-Canon 5D Mark IV
 
Olympus E-M5 IIIYstereomonoY-micro2.0Y-YOlympus E-M5 III
 
Canon 6D Mark IIYstereomonoY-mini2.0YYYCanon 6D Mark II
 
Canon 1D X Mark IIYmonomonoYYmini3.0---Canon 1D X Mark II
 
Canon 80DYstereomonoYYmini2.0YY-Canon 80D
 
Canon 5DSYmonomonoY-mini3.0---Canon 5DS
 
Canon 5DS RYmonomonoY-mini3.0---Canon 5DS R
 
Canon 5D Mark IIIYmonomonoYYmini2.0---Canon 5D Mark III
 
Canon 6DYmonomonoY-mini2.0Y--Canon 6D
 
Canon 5D Mark IIYmonomonoY-mini2.0---Canon 5D Mark II
 
Nikon D850YstereomonoYYmini3.0YYYNikon D850
 
Nikon D810YstereomonoYYmini3.0Y--Nikon D810
 
Olympus PEN-FYstereomono--micro2.0Y--Olympus PEN-F
 
Olympus E-M5 IIYstereomonoY-micro2.0Y--Olympus E-M5 II
 
Olympus E-M1YstereomonoY-micro2.0Y--Olympus E-M1
 
Olympus E-M5Ystereomono--mini2.0---Olympus E-M5
 
Panasonic GX8YstereomonoY-micro2.0YY-Panasonic GX8

It is notable that the 5D Mark IV has a headphone jack, which is not present on the E-M5 III This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Travel and landscape photographers will find it useful that the 5D Mark IV has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the 5D Mark IV and the E-M5 III are recent models that are part of the current product line-up. The 5D Mark IV replaced the earlier Canon 5D Mark III, while the E-M5 III followed on from the Olympus E-M5 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 Olympus websites.

Review summary

So what conclusions can be drawn? Is the Canon 5D Mark IV better than the Olympus E-M5 III or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Canon EOS 5D Mark IV:

  • More detail: Offers more megapixels (30.1 vs 20.2MP) with a 25% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher movie framerates (4K/30p versus 4k/24p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.71x vs 0.68x).
  • 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 (1620k vs 1040k dots).
  • Longer lasting: Can take more shots (900 versus 310) on a single battery charge.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been available for much longer (launched in August 2016).

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Reasons to prefer the Olympus OM-D E-M5 Mark III:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • 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.
  • Faster burst: Shoots at higher frequency (10 vs 7 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (125x85mm vs 151x116mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 476g or 53 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 wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More affordable: Was introduced into a lower priced category (66 percent cheaper at launch).
  • More modern: Reflects 3 years and 1 month of technical progress since the 5D Mark IV launch.

If the count of individual advantages (bullet points above) is taken as a guide, the match-up finishes in a tie (15 points each). 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.

5D Mark IV 15:15 E-M5 III

How about other alternatives? Do the specifications of the Canon 5D Mark IV and the Olympus E-M5 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 says little about, for example, the shooting experience and imaging performance of the 5D Mark IV and the E-M5 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 why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Canon 5D Mark IV+ +87/1004.5/55/54.5/5 Aug 2016 3,499 iCanon 5D Mark IV
 
Olympus E-M5 III+82/1004.5/5..4.5/5 Oct 2019 1,199 iOlympus E-M5 III
 
Canon 6D Mark II+80/1004.5/54/54/5 Jun 2017 1,999 iCanon 6D Mark II
 
Canon 1D X Mark II..89/1004.5/55/54.5/5 Feb 2016 5,999iCanon 1D X Mark II
 
Canon 80D+ +84/1004.5/54.5/54.5/5 Feb 2016 1,199iCanon 80D
 
Canon 5DS+83/1004.5/55/54.5/5 Feb 2015 3,699 iCanon 5DS
 
Canon 5DS R+83/1005/55/54.5/5 Feb 2015 3,699 iCanon 5DS R
 
Canon 5D Mark III+ +82/1004.5/55/54.5/5 Mar 2012 3,499iCanon 5D Mark III
 
Canon 6D+ +83/1004.5/54.5/54.5/5 Sep 2012 2,099iCanon 6D
 
Canon 5D Mark II91/10079/1004/55/5.. Sep 2008 3,499iCanon 5D Mark II
 
Nikon D850+ +89/1004.5/55/55/5 Jul 2017 3,299 iNikon D850
 
Nikon D810..86/1005/54.5/54.5/5 Jun 2014 3,299iNikon D810
 
Olympus PEN-F..82/1004.5/54.5/55/5 Jan 2016 1,199 iOlympus PEN-F
 
Olympus E-M5 II+ +81/1005/54.5/55/5 Feb 2015 1,099iOlympus E-M5 II
 
Olympus E-M1+ +84/1004.5/54.5/54.5/5 Sep 2013 1,399iOlympus E-M1
 
Olympus E-M5+ +80/1004.5/55/55/5 Feb 2012 1,299iOlympus E-M5
 
Panasonic GX8+82/1004.5/55/54.5/5 Jul 2015 1,199iPanasonic GX8
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price 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, please note that some of the review sites have changed their methodology and reporting over time.

Canon 5D Mark IV:
Check Amazon price
Olympus E-M5 III:
Check Amazon price

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 use the search menu 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 5D Mark IV vs Olympus E-M5 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 5D Mark IV Olympus E-M5 III
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date August 2016 October 2019
    Launch Price USD 3499 USD 1199
    Sensor Specs Canon 5D Mark IV Olympus E-M5 III
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Four Thirds Sensor
    Sensor Size 36.0 x 24.0 mm 17.3 x 13.0 mm
    Sensor Area 864 mm2 224.9 mm2
    Sensor Diagonal 43.3 mm 21.6 mm
    Crop Factor 1.0x 2.0x
    Sensor Resolution 30.1 Megapixels 20.2 Megapixels
    Image Resolution 6720 x 4480 pixels 5184 x 3888 pixels
    Pixel Pitch 5.36 μm 3.34 μm
    Pixel Density 3.48 MP/cm2 8.96 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 4k/24p Video
    ISO Setting 100-32000 ISO 200-25600 ISO
    ISO Boost 50-102400 ISO 64-25600 ISO
    Image Processor DIGIC 6+ TruePic VIII
    DXO Sensor Quality (score) 91 ..
    DXO Color Depth (bits) 24.8 ..
    DXO Dynamic Range (EV) 13.6 ..
    DXO Low Light (ISO) 2995 ..
    Screen Specs Canon 5D Mark IV Olympus E-M5 III
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.71x 0.68x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2 inch 3.0 inch
    LCD Resolution 1620k dots 1040k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon 5D Mark IV Olympus E-M5 III
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/8000/s
    Continuous Shooting 7 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    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 CF or SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support UHS-I UHS-II
    Connectivity Specs Canon 5D Mark IV Olympus E-M5 III
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.0 USB 2.0
    HDMI Port mini HDMI micro 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 no Bluetooth Bluetooth built-in
    Geotagging GPS built-in no internal GPS
    Body Specs Canon 5D Mark IV Olympus E-M5 III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type LP-E6N BLS-50
    Battery Life (CIPA)900 shots per charge310 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 151 x 116 x 76 mm
    (5.9 x 4.6 x 3.0 in)
    125 x 85 x 50 mm
    (4.9 x 3.3 x 2.0 in)
    Camera Weight 890 g (31.4 oz) 414 g (14.6 oz)

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