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Canon 5D Mark IV versus Sony A7 II

The Canon EOS 5D Mark IV and the Sony Alpha A7 II are two digital cameras that were revealed to the public, respectively, in August 2016 and November 2014. The 5D Mark IV is a DSLR, while the A7 II is a mirrorless interchangeable lens camera. Both cameras are equipped with a full frame sensor. The Canon has a resolution of 30.1 megapixel, whereas the Sony provides 24 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Canon 5D Mark IV vs Sony A7 II

The physical size and weight of the Canon 5D Mark IV and the Sony A7 II are illustrated in the side-by-side display below. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left – the 5D Mark IV – represents 100 percent across all the size and weight measures).

Snapsort Canon 5D Mark IV vs Sony A7 II
Compare 5D Mark IV versus A7 II top
Compare 5D Mark IV and A7 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 II is considerably smaller (30 percent) than the Canon 5D Mark IV. Moreover, the A7 II is markedly lighter (33 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. 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 find an overview of optics for the two cameras in the Canon EF Lens Catalog (5D Mark IV) and the Sony FE Lens Catalog (A7 II). Mirrorless cameras, such as the A7 II, 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 A7 II can take 350 images on a single charge of its NP-FW50 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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)
Used
Price
(USD)
Canon 5D Mark IV» 5.9 in 4.6 in 3.0 in 31.4 oz 900 Y Aug 2016 3,499 i i
Sony A7 II« 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999- i
Canon 6D Mark II« » 5.7 in 4.4 in 3.0 in 27.0 oz 1200 Y Jun 2017 1,999 i i
Canon 1D X Mark II« » 6.2 in 6.6 in 3.3 in 54.0 oz 1210 Y Feb 2016 5,999 i i
Canon 5DS R« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i
Canon 5DS« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i
Canon 5D Mark III« » 6.0 in 4.6 in 3.0 in 33.5 oz 950 Y Mar 2012 3,499- i
Canon 5D Mark II« » 6.0 in 4.5 in 3.0 in 30.0 oz 850 Y Sep 2008 3,499- i
Canon 5D« » 6.0 in 4.4 in 3.0 in 31.6 oz 400 Y Aug 2005 3,299- i
Nikon D850« » 5.7 in 4.9 in 3.1 in 35.5 oz 1840 Y Jul 2017 3,299 i i
Nikon D800« » 5.7 in 4.8 in 3.2 in 35.3 oz 900 Y Feb 2012 2,999- i
Nikon D800E« » 5.7 in 4.8 in 3.2 in 35.3 oz 900 Y Feb 2012 3,299- i
Olympus E-M1 II« » 5.3 in 3.6 in 2.6 in 20.2 oz 440 Y Sep 2016 1,999 i i
Sony A7 III« » 5.0 in 3.8 in 2.9 in 22.9 oz 610 Y Feb 2018 1,999 i i
Sony A7R II« » 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199- i
Sony A7« » 5.0 in 3.7 in 1.9 in 16.7 oz 340 Y Oct 2013 1,699- i
Sony A7R« » 5.0 in 3.7 in 1.9 in 16.4 oz 340 Y Oct 2013 2,299- i

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The A7 II was launched at a markedly lower price (by 43 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: Canon 5D Mark IV vs Sony A7 II

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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 are more costly to manufacture and tend to 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 II is 1 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 5D Mark IV and Sony A7 II sensor measures

With 30.1MP, the 5D Mark IV offers a higher resolution than the A7 II (24MP), but the 5D Mark IV has smaller individual pixels (pixel pitch of 5.36μm versus 5.97μm for the A7 II). However, the 5D Mark IV is a somewhat more recent model (by 1 year and 9 months) than the A7 II, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.

5D Mark IV versus A7 II MP

Consistent information on actual sensor performance is available from DXO Mark for most cameras. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar image quality. 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 Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon 5D Mark IV» Full Frame 30.1 6720 44804K/30p24.813.6299591
Sony A7 II« Full Frame 24.0 6000 40001080/60p24.913.6244990
Canon 6D Mark II« » Full Frame 26.0 6240 41601080/60p24.411.9286285
Canon 1D X Mark II« » Full Frame 20.0 5472 36484K/60p24.113.5320788
Canon 5DS R« » Full Frame 50.3 8688 57921080/60p24.612.4230886
Canon 5DS« » Full Frame 50.3 8688 57921080/60p24.712.4238187
Canon 5D Mark III« » Full Frame 22.1 5760 38401080/30p24.011.7229381
Canon 5D Mark II« » Full Frame 21.0 5616 37441080/30p23.711.9181579
Canon 5D« » Full Frame 12.7 4368 2912-22.911.1136871
Nikon D850« » Full Frame 45.4 8256 55044K/30p26.414.82660100
Nikon D800« » Full Frame 36.2 7360 49121080/30p25.314.4285395
Nikon D800E« » Full Frame 36.2 7360 49121080/30p25.614.3297996
Olympus E-M1 II« » Four Thirds 20.2 5184 38884K/30p23.712.8131280
Sony A7 III« » Full Frame 24.0 6000 40004K/30p25.014.7373096
Sony A7R II« » Full Frame 42.2 7952 53044K/30p26.013.9343498
Sony A7« » Full Frame 24.0 6000 40001080/60p24.814.2224890
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 5D Mark IV provides a higher video resolution than the A7 II. It can shoot video footage at 4K/30p, while the Sony is limited to 1080/60p.

 

Feature comparison: Canon 5D Mark IV vs Sony A7 II

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7 II has an electronic viewfinder (2400k 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 following table reports on some other key feature differences and similarities of the Canon 5D Mark IV, the Sony A7 II, and comparable cameras. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

Core Features
  Camera Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Canon 5D Mark IV»optical Y 3.2 1620 fixed Y 8000 7.0 n n
Sony A7 II«2400 n 3.0 1230 tilting n 8000 5.0 n Y
Canon 6D Mark II« »optical Y 3.0 1040 swivel Y 4000 6.5 n n
Canon 1D X Mark II« »optical Y 3.2 1620 fixed Y 8000 16.0 n n
Canon 5DS R« »optical Y 3.2 1040 fixed n 8000 5.0 n n
Canon 5DS« »optical Y 3.2 1040 fixed n 8000 5.0 n n
Canon 5D Mark III« »optical Y 3.2 1040 fixed n 8000 6.0 n n
Canon 5D Mark II« »optical Y 3.0 920 fixed n 8000 3.9 n n
Canon 5D« »optical Y 2.5 230 fixed n 8000 3.0 n n
Nikon D850« »optical Y 3.2 2359 tilting Y 8000 9.0 n n
Nikon D800« »optical Y 3.2 921 fixed n 8000 4.0 Y n
Nikon D800E« »optical Y 3.2 921 fixed n 8000 4.0 Y n
Olympus E-M1 II« »2360 n 3.0 1037 swivel Y 8000 18.0 n Y
Sony A7 III« »2359 n 3.0 922 tilting Y 8000 10.0 n Y
Sony A7R II« »2400 n 3.0 1229 tilting n 8000 5.0 n Y
Sony A7« »2400 n 3.0 1230 tilting n 8000 5.0 n n
Sony A7R« »2400 n 3.0 1230 tilting n 8000 4.0 n n

The 5D Mark IV is a current model that online retailers, such as amazon, will have in stock. In contrast, the A7 II has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the A7 II was succeeded by the Sony A7 III.

Review summary: Canon 5D Mark IV vs Sony A7 II

So how do things add up? Is the Canon 5D Mark IV better than the Sony A7 II or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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

  • More detail: Offers more megapixels (30.1 vs 24MP) with a 12% higher linear resolution.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Has 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 1230k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (7 vs 5 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (900 versus 350) on a single battery charge.
  • More modern: Is somewhat more recent (announced 1 year and 9 months after the A7 II).

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Reasons to prefer the Sony Alpha A7 II:

  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More compact: Is smaller (127x96mm vs 151x116mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 291g or 33 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • More affordable: Was introduced into a lower priced category (43 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in November 2014).

If the number of relative strengths (bullet points above) is taken as a guide, the 5D Mark IV emerges as the winner of the contest (10 : 8 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.

5D Mark IV 10:08 A7 II

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the 5D Mark IV and the A7 II in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable. This is why hands-on reviews by experts are important. The table below summarizes the assessments of some of the best known camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). You can find the full text of the reviews by clicking on the site logo in the table header.

Review scores
  Camera cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Canon 5D Mark IV»HiRec87/1004.5/55/54.5/5 Aug 2016 3,499 i i
Sony A7 II«Rec82/1004.5/55/55/5 Nov 2014 1,999- i
Canon 6D Mark II« »Rec80/1004.5/54/54/5 Jun 2017 1,999 i i
Canon 1D X Mark II« »-89/1004.5/55/54.5/5 Feb 2016 5,999 i i
Canon 5DS R« »Rec83/1005/55/54.5/5 Feb 2015 3,699 i i
Canon 5DS« »Rec83/1004.5/55/54.5/5 Feb 2015 3,699 i i
Canon 5D Mark III« »HiRec82/1004.5/55/54.5/5 Mar 2012 3,499- i
Canon 5D Mark II« »91/10079/1004/55/5- Sep 2008 3,499- i
Canon 5D« »88/100HiRecrevrev- Aug 2005 3,299- i
Nikon D850« »HiRec89/1004.5/55/55/5 Jul 2017 3,299 i i
Nikon D800« »HiRec82/1005/55/55/5 Feb 2012 2,999- i
Nikon D800E« »-84/1005/54.5/55/5 Feb 2012 3,299- i
Olympus E-M1 II« »HiRec85/1004.5/55/54.5/5 Sep 2016 1,999 i i
Sony A7 III« »HiRec89/1005/5-5/5 Feb 2018 1,999 i i
Sony A7R II« »HiRec90/1005/54.5/55/5 Jun 2015 3,199- i
Sony A7« »HiRec80/1005/54.5/55/5 Oct 2013 1,699- i
Sony A7R« »HiRec82/1004.5/55/55/5 Oct 2013 2,299- i

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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

 

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored. If you cannot find the camera you are interested in, kindly get in touch, and I will try to update the database with the necessary infos.

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