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Nikon D810 versus Canon 6D Mark II

The Nikon D810 and the Canon EOS 6D Mark II are two digital cameras that were officially introduced, respectively, in June 2014 and June 2017. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with a full frame sensor. The Nikon has a resolution of 36.2 megapixel, whereas the Canon provides 26 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: Nikon D810 vs Canon 6D Mark II

The side-by-side display below illustrates the physical size and weight of the Nikon D810 and the Canon 6D Mark II. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter. You can also toggle the display 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 D810 – represents the basis or 100 percent across all the size and weight measures).

Compare Nikon D810 vs Canon 6D Mark II
Compare D810 versus 6D Mark II top
Compare D810 and 6D Mark II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 6D Mark II is notably smaller (11 percent) than the Nikon D810. Moreover, the 6D Mark II is markedly lighter (22 percent) than the D810. 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. Yet, since both cameras are based around a full frame sensor, their respective lenses will tend to have similar dimensions and heft. You can find an overview of optics for the two cameras in the Nikon Lens Catalog (D810) and the Canon EF Lens Catalog (6D Mark II).

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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)
Used
Price
(USD)
Camera
Model
Nikon D810» 5.7 in 4.8 in 3.2 in 34.6 oz 1200 Y Jun 2014 3,299- i Nikon D810
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 6D Mark II
Canon 5D Mark IV« » 5.9 in 4.6 in 3.0 in 31.4 oz 900 Y Aug 2016 3,499 i i Canon 5D Mark IV
Canon 80D« » 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199 i i Canon 80D
Canon 5DS« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i Canon 5DS
Canon 6D« » 5.7 in 4.4 in 2.8 in 27.2 oz 1090 Y Sep 2012 2,099- i Canon 6D
Nikon D850« » 5.7 in 4.9 in 3.1 in 35.5 oz 1840 Y Jul 2017 3,299 i i Nikon D850
Nikon D4S« » 6.3 in 6.2 in 3.6 in 47.6 oz 3020 Y Feb 2014 6,499- i Nikon D4S
Nikon D750« » 5.6 in 4.4 in 3.1 in 26.5 oz 1230 Y Sep 2014 2,299 i i Nikon D750
Nikon Df« » 5.7 in 4.3 in 2.6 in 26.8 oz 1400 Y Nov 2013 2,749 i i Nikon Df
Nikon D610« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Oct 2013 1,999 i i Nikon D610
Nikon D600« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Sep 2012 2,099- i Nikon D600
Nikon D800« » 5.7 in 4.8 in 3.2 in 35.3 oz 900 Y Feb 2012 2,999- i Nikon D800
Nikon D800E« » 5.7 in 4.8 in 3.2 in 35.3 oz 900 Y Feb 2012 3,299- i Nikon D800E
Nikon D700« » 5.8 in 4.8 in 3.0 in 37.9 oz 1000 Y Jul 2008 2,999- i Nikon D700

The price is, of course, an important factor in any camera decision. 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 6D Mark II was launched at a markedly lower price (by 39 percent) than the D810, 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.

 

Sensor comparison: Nikon D810 vs Canon 6D Mark II

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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 underlying technology, both cameras are build around CMOS sensors.

Nikon D810 and Canon 6D Mark II sensor measures

While the two cameras under review share the same sensor size, the D810 offers a higher resolution of 36.2 megapixel, compared with 26 MP of the 6D Mark II. This megapixel advantage translates into a 18 percent gain in linear resolution. On the other hand, these sensor specs imply that the D810 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 4.88μm versus 5.76μm for the 6D Mark II). Moreover, it should be noted that the 6D Mark II is much more recent (by 3 years) than the D810, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of individual pixels. Coming back to sensor resolution, it should be mentioned that the D810 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

D810 versus 6D Mark II MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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. Of the two cameras under review, the D810 provides substantially higher image quality than the 6D Mark II, with an overall score that is 12 points higher. This advantage is based on 1.3 bits higher color depth, 2.9 EV in additional dynamic range, -0 stops of reduced 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.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Nikon D810» Full Frame 36.2 7360 49121080/60p25.714.8285397Nikon D810
Canon 6D Mark II« Full Frame 26.0 6240 41601080/60p24.411.9286285Canon 6D Mark II
Canon 5D Mark IV« » Full Frame 30.1 6720 44804K/30p24.813.6299591Canon 5D Mark IV
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579Canon 80D
Canon 5DS« » Full Frame 50.3 8688 57921080/60p24.712.4238187Canon 5DS
Canon 6D« » Full Frame 20.0 5472 36481080/30p23.812.1234082Canon 6D
Nikon D850« » Full Frame 45.4 8256 55044K/30p26.414.82660100Nikon D850
Nikon D4S« » Full Frame 16.2 4928 32801080/60p24.413.3307489Nikon D4S
Nikon D750« » Full Frame 24.2 6016 40161080/60p24.814.5295693Nikon D750
Nikon Df« » Full Frame 16.2 4928 3280-24.613.1327989Nikon Df
Nikon D610« » Full Frame 24.2 6016 40161080/30p25.114.4292594Nikon D610
Nikon D600« » Full Frame 24.2 6016 40161080/30p25.114.2298094Nikon D600
Nikon D800« » Full Frame 36.2 7360 49121080/30p25.314.4285395Nikon D800
Nikon D800E« » Full Frame 36.2 7360 49121080/30p25.614.3297996Nikon D800E
Nikon D700« » Full Frame 12.1 4256 2832-23.512.2230380Nikon D700

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/60p).

 

Feature comparison: Nikon D810 vs Canon 6D Mark II

Apart from body and sensor, cameras can and do differ across a range of features. The D810 and the 6D Mark II are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The table below summarizes some of the other core capabilities of the Nikon D810 and Canon 6D Mark II in connection with corresponding information for a sample of similar cameras. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

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)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Nikon D810»optical Y 3.2 1229 fixed n 8000 5.0 Y n Nikon D810
Canon 6D Mark II«optical Y 3.0 1040 swivel Y 4000 6.5 n n Canon 6D Mark II
Canon 5D Mark IV« »optical Y 3.2 1620 fixed Y 8000 7.0 n n Canon 5D Mark IV
Canon 80D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n Canon 80D
Canon 5DS« »optical Y 3.2 1040 fixed n 8000 5.0 n n Canon 5DS
Canon 6D« »optical Y 3.0 1040 fixed n 4000 4.5 n n Canon 6D
Nikon D850« »optical Y 3.2 2359 tilting Y 8000 9.0 n n Nikon D850
Nikon D4S« »optical Y 3.2 921 fixed n 8000 11.0 n n Nikon D4S
Nikon D750« »optical Y 3.2 1229 tilting n 4000 6.0 Y n Nikon D750
Nikon Df« »optical Y 3.2 921 fixed n 4000 5.5 n n Nikon Df
Nikon D610« »optical Y 3.2 921 fixed n 4000 6.0 Y n Nikon D610
Nikon D600« »optical Y 3.0 921 fixed n 4000 5.5 Y n Nikon D600
Nikon D800« »optical Y 3.2 921 fixed n 8000 4.0 Y n Nikon D800
Nikon D800E« »optical Y 3.2 921 fixed n 8000 4.0 Y n Nikon D800E
Nikon D700« »optical Y 3.0 922 fixed n 8000 8.0 Y n Nikon D700

One difference between the cameras concerns the presence of an on-board flash. The D810 has one, while the 6D Mark II does not. While the build-in flash of the D810 is not very powerful, it can at times be useful as a fill-in light.

The D810 writes its imaging data to Compact Flash or SDXC cards, while the 6D Mark II uses SDXC cards. The D810 features dual card slots, which can be very useful in case a memory card fails. In contrast, the 6D Mark II only has one slot.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
Nikon D810»YstereomonoYYmini3.0Y--Nikon D810
Canon 6D Mark II«YstereomonoY-mini2.0YYYCanon 6D Mark II
Canon 5D Mark IV« »YmonomonoYYmini3.0YY-Canon 5D Mark IV
Canon 80D« »YstereomonoYYmini2.0YY-Canon 80D
Canon 5DS« »YmonomonoY-mini3.0---Canon 5DS
Canon 6D« »YmonomonoY-mini2.0Y--Canon 6D
Nikon D850« »YstereomonoYYmini3.0YYYNikon D850
Nikon D4S« »YmonomonoYYmini2.0---Nikon D4S
Nikon D750« »YstereomonoYYmini2.0Y--Nikon D750
Nikon Df« »Y----mini2.0---Nikon Df
Nikon D610« »YmonomonoYYmini2.0---Nikon D610
Nikon D600« »YmonomonoYYmini2.0---Nikon D600
Nikon D800« »YmonomonoYYmini3.0---Nikon D800
Nikon D800E« »YmonomonoYYmini3.0---Nikon D800E
Nikon D700« »Y----mini2.0---Nikon D700

The 6D Mark II is a current model that online retailers, such as amazon, will have in stock. In contrast, the D810 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the D810 was succeeded by the Nikon D850.

Review summary: Nikon D810 vs Canon 6D Mark II

So what conclusions can be drawn? Is the Nikon D810 better than the Canon 6D Mark II or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Nikon D810:

  • More detail: Offers more megapixels (36.2 vs 26MP) with a 18% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (12 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.3 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (2.9 EV of extra DR).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • 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 (1229k vs 1040k dots).
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 4000/sec) to freeze action.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • 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 June 2014).

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Reasons to prefer the Canon EOS 6D Mark II:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (6.5 vs 5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (144x111mm vs 146x123mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 215g or 22 percent) and is thus easier to take along.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (39 percent cheaper at launch).
  • More modern: Reflects 3 years of technical progress since the D810 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the D810 emerges as the winner of the contest (13 : 10 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.

D810 13:10 6D Mark II

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the D810 or the 6D Mark II handle or 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. This is why hands-on reviews by experts are important. The following table reports the overall rankings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Nikon D810»-86/1005/54.5/54.5/5 Jun 2014 3,299- i Nikon D810
Canon 6D Mark II«Rec80/1004.5/54/54/5 Jun 2017 1,999 i i Canon 6D Mark II
Canon 5D Mark IV« »HiRec87/1004.5/55/54.5/5 Aug 2016 3,499 i i Canon 5D Mark IV
Canon 80D« »HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i Canon 80D
Canon 5DS« »Rec83/1004.5/55/54.5/5 Feb 2015 3,699 i i Canon 5DS
Canon 6D« »HiRec83/1004.5/54.5/54.5/5 Sep 2012 2,099- i Canon 6D
Nikon D850« »HiRec89/1004.5/55/55/5 Jul 2017 3,299 i i Nikon D850
Nikon D4S« »--4.5/55/54.5/5 Feb 2014 6,499- i Nikon D4S
Nikon D750« »HiRec90/1004.5/55/54.5/5 Sep 2014 2,299 i i Nikon D750
Nikon Df« »-81/1004/54/54/5 Nov 2013 2,749 i i Nikon Df
Nikon D610« »HiRec87/1004.5/54.5/54.5/5 Oct 2013 1,999 i i Nikon D610
Nikon D600« »HiRec87/1005/54.5/54.5/5 Sep 2012 2,099- i Nikon D600
Nikon D800« »HiRec82/1005/55/55/5 Feb 2012 2,999- i Nikon D800
Nikon D800E« »-84/1005/54.5/55/5 Feb 2012 3,299- i Nikon D800E
Nikon D700« »89/100HiRec4.5/55/54.5/5 Jul 2008 2,999- i Nikon D700

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods 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? If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored. If you do not see the camera that you are looking for, kindly get in touch, and I will try to add information on that model to the database.

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