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Canon 6D Mark II vs Nikon D3100

The Canon EOS 6D Mark II and the Nikon D3100 are two digital cameras that were revealed to the public, respectively, in June 2017 and August 2010. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (6D Mark II) and an APS-C (D3100) sensor. The Canon has a resolution of 26 megapixels, whereas the Nikon provides 14.2 MP.

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

Headline Specifications
Canon 6D Mark II   Nikon D3100
Canon 6D Mark II Nikon D3100
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Nikon F mount lenses
26 MP, Full Frame Sensor 14.2 MP, APS-C Sensor
1080/60p Video 1080/24p Video
ISO 100-40000 (50-102400) ISO 100-3200 (100-12800)
Optical viewfinder Optical viewfinder
3.0" LCD, 1040k dots 3.0" LCD, 230k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
6.5 shutter flaps per second 3 shutter flaps per second
Weathersealed bodyNot weather sealed
1200 shots per battery charge550 shots per battery charge
144 x 111 x 75 mm, 765 g 124 x 96 x 75 mm, 505 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 6D Mark II and the Nikon D3100? 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: Canon 6D Mark II vs Nikon D3100

The physical size and weight of the Canon 6D Mark II and the Nikon D3100 are illustrated 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 D3100 can be obtained in two different colors (black, red), while the 6D Mark II is only available in black.

Size Canon 6D Mark II vs Nikon D3100
Compare 6D Mark II versus D3100 top
Comparison 6D Mark II or D3100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D3100 is notably smaller (26 percent) than the Canon 6D Mark II. Moreover, the D3100 is markedly lighter (34 percent) than the 6D Mark II. It is worth mentioning in this context that the 6D Mark II is splash and dust resistant, while the D3100 does not feature any corresponding weather-sealing.

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 (6D Mark II) and the Nikon Lens Catalog (D3100).

Concerning battery life, the 6D Mark II gets 1200 shots out of its LP-E6N battery, while the D3100 can take 550 images on a single charge of its EN-EL14 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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)
Camera
Model
 
Canon 6D Mark II» 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 i i Canon 6D Mark II
 
Nikon D3100« 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599- i Nikon D3100
 
Canon R« » 139 mm 98 mm 84 mm 660 g 370 Y Sep 2018 2,299 i i Canon R
 
Canon 1D X Mark II« » 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999 i i Canon 1D X Mark II
 
Canon 5D Mark IV« » 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 i i Canon 5D Mark IV
 
Canon 80D« » 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199 i i Canon 80D
 
Canon 5DS« » 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i i Canon 5DS
 
Canon 5DS R« » 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i i Canon 5DS R
 
Canon 7D II« » 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799 i i Canon 7D II
 
Canon 6D« » 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099- i Canon 6D
 
Nikon D500« » 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999 i i Nikon D500
 
Nikon D610« » 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999 i i Nikon D610
 
Nikon D3200« » 125 mm 96 mm 77 mm 505 g 540 n Apr 2012 599- i Nikon D3200
 
Nikon D5100« » 128 mm 97 mm 79 mm 560 g 660 n Apr 2011 749- i Nikon D5100
 
Nikon D3000« » 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 599- i Nikon D3000
 
Nikon D5000« » 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 749- i Nikon D5000
 
Nikon D40« » 124 mm 94 mm 64 mm 522 g 470 n Nov 2006 499- i Nikon D40
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

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 D3100 was launched at a markedly lower price (by 70 percent) than the 6D Mark II, 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 6D Mark II vs Nikon D3100

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. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 6D Mark II features a full frame sensor and the Nikon D3100 an APS-C sensor. The sensor area in the D3100 is 59 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 6D Mark II and Nikon D3100 sensor measures

With 26MP, the 6D Mark II offers a higher resolution than the D3100 (14.2MP), but the 6D Mark II nevertheless has larger individual pixels (pixel pitch of 5.76μm versus 5.01μm for the D3100) due to its larger sensor. Moreover, the 6D Mark II is a much more recent model (by 6 years and 10 months) than the D3100, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Canon 6D Mark II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 6D Mark II for good quality output (200 dots per inch) amounts to 31.2 x 20.8 inch or 79.2 x 52.8 cm, for very good quality (250 dpi) 25 x 16.6 inch or 63.4 x 42.3 cm, and for excellent quality (300 dpi) 20.8 x 13.9 inch or 52.8 x 35.2 cm. The corresponding values for the Nikon D3100 are 23 x 15.4 inch or 58.5 x 39 cm for good quality, 18.4 x 12.3 inch or 46.8 x 31.2 cm for very good quality, and 15.4 x 10.2 inch or 39 x 26 cm for excellent quality prints.

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

The Canon EOS 6D Mark II 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 Nikon D3100 are ISO 100 to ISO 3200, with the possibility to increase the ISO range to 100-12800.

6D Mark II versus D3100 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 6D Mark II provides substantially higher image quality than the D3100, with an overall score that is 18 points higher. This advantage is based on 1.9 bits higher color depth, 0.6 EV in additional dynamic range, and 1.6 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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 6D Mark II» Full Frame 26.0 6240 41601080/60p24.411.9286285Canon 6D Mark II
 
Nikon D3100« APS-C 14.2 4608 30721080/24p22.511.391967Nikon D3100
 
Canon R« » Full Frame 30.1 6720 44804K/30p24.513.5274289Canon R
 
Canon 1D X Mark II« » Full Frame 20.0 5472 36484K/60p24.113.5320788Canon 1D X 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 57921080/30p24.712.4238187Canon 5DS
 
Canon 5DS R« » Full Frame 50.3 8688 57921080/30p24.612.4230886Canon 5DS R
 
Canon 7D II« » APS-C 20.0 5472 36481080/60p22.411.8108270Canon 7D II
 
Canon 6D« » Full Frame 20.0 5472 36481080/30p23.812.1234082Canon 6D
 
Nikon D500« » APS-C 20.7 5568 37124K/30p24.014.0132483Nikon D500
 
Nikon D610« » Full Frame 24.2 6016 40161080/30p25.114.4292594Nikon D610
 
Nikon D3200« » APS-C 24.1 6016 40001080/30p24.113.2113181Nikon D3200
 
Nikon D5100« » APS-C 16.1 4928 32641080/30p23.513.6118380Nikon D5100
 
Nikon D3000« » APS-C 10.0 3872 2592-22.311.156362Nikon D3000
 
Nikon D5000« » APS-C 12.2 4288 2848720/24p22.712.586872Nikon D5000
 
Nikon D40« » APS-C 6.0 3008 2000-21.011.056156Nikon D40

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, but the 6D Mark II provides a higher frame rate than the D3100. It can shoot video footage at 1080/60p, while the Nikon is limited to 1080/24p.

 

Feature comparison: Canon 6D Mark II vs Nikon D3100

Apart from body and sensor, cameras can and do differ across a variety of features. The 6D Mark II and the D3100 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 viewfinder in the 6D Mark II offers a wider field of view (98%) than the one in the D3100 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the 6D Mark II has a higher magnification (0.72x vs 0.53x), 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 6D Mark II and Nikon D3100 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 6D Mark II»optical Y 3.0 1040 swivel Y 1/4000s 6.5 n n Canon 6D Mark II
 
Nikon D3100«optical n 3.0 230 fixed n 1/4000s 3.0 Y n Nikon D3100
 
Canon R« »3690 Y 3.2 2100 swivel Y 1/8000s 8.0 n n Canon R
 
Canon 1D X Mark II« »optical Y 3.2 1620 fixed Y 1/8000s 16.0 n n Canon 1D X Mark II
 
Canon 5D Mark IV« »optical Y 3.2 1620 fixed Y 1/8000s 7.0 n n Canon 5D Mark IV
 
Canon 80D« »optical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n Canon 80D
 
Canon 5DS« »optical Y 3.2 1040 fixed n 1/8000s 5.0 n n Canon 5DS
 
Canon 5DS R« »optical Y 3.2 1040 fixed n 1/8000s 5.0 n n Canon 5DS R
 
Canon 7D II« »optical Y 3.0 1040 fixed n 1/8000s 10.0 Y n Canon 7D II
 
Canon 6D« »optical Y 3.0 1040 fixed n 1/4000s 4.5 n n Canon 6D
 
Nikon D500« »optical Y 3.2 2359 tilting Y 1/8000s 10.0 n n Nikon D500
 
Nikon D610« »optical Y 3.2 921 fixed n 1/4000s 6.0 Y n Nikon D610
 
Nikon D3200« »optical n 3.0 921 fixed n 1/4000s 4.0 Y n Nikon D3200
 
Nikon D5100« »optical n 3.0 921 swivel n 1/4000s 4.0 Y n Nikon D5100
 
Nikon D3000« »optical n 3.0 230 fixed n 1/4000s 3.0 Y n Nikon D3000
 
Nikon D5000« »optical n 2.7 230 full-flex n 1/4000s 4.0 Y n Nikon D5000
 
Nikon D40« »optical n 2.5 230 fixed n 1/4000s 2.5 Y n Nikon D40

One feature that is present on the 6D Mark II, but is missing on the D3100 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 6D Mark II 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 D3100 does not have a selfie-screen.

The Canon 6D Mark II 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.

Concerning the storage of imaging data, both the 6D Mark II and the D3100 write their files to SDXC cards. The 6D Mark II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the D3100 cannot take advantage of Ultra High Speed SD cards.

 

Connectivity comparison: Canon 6D Mark II vs Nikon D3100

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 6D Mark II and Nikon D3100 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
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Canon 6D Mark II»YstereomonoY-mini2.0YYYCanon 6D Mark II
 
Nikon D3100«Ymonomono--mini2.0---Nikon D3100
 
Canon R« »YstereomonoY-mini3.1Y-YCanon R
 
Canon 1D X Mark II« »YmonomonoYYmini3.0---Canon 1D X 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 5DS R« »YmonomonoY-mini3.0---Canon 5DS R
 
Canon 7D II« »YstereomonoYYmini3.0---Canon 7D II
 
Canon 6D« »YmonomonoY-mini2.0Y--Canon 6D
 
Nikon D500« »YstereomonoYYmini3.0YYYNikon D500
 
Nikon D610« »YmonomonoYYmini2.0---Nikon D610
 
Nikon D3200« »YmonomonoY-mini2.0---Nikon D3200
 
Nikon D5100« »YmonomonoY-mini2.0---Nikon D5100
 
Nikon D3000« »Y-----2.0---Nikon D3000
 
Nikon D5000« »Ymonomono--mini2.0---Nikon D5000
 
Nikon D40« »Y-----2.0---Nikon D40

It is notable that the 6D Mark II has a microphone port, which is missing on the D3100. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

The 6D Mark II is a recent model that features in the current product line-up of Canon. In contrast, the D3100 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the D3100 was succeeded by the Nikon D3200. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Nikon websites.


Review summary: Canon 6D Mark II vs Nikon D3100

So how do things add up? Is there a clear favorite between the Canon 6D Mark II and the Nikon D3100? Which camera is better? The listing below highlights the relative strengths of the two models.

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Advantages of the Canon EOS 6D Mark II:

  • More detail: Offers more megapixels (26 vs 14.2MP) with a 35% higher linear resolution.
  • Better image quality: Scores substantially higher (18 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.9 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (0.6 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (1.6 stops ISO advantage).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/24p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • More complete view: Has a viewfinder with a larger field of view (98% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.72x vs 0.53x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 230k dots).
  • More flexible LCD: Has 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 (6.5 vs 3 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (1200 versus 550) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 6 years and 10 months of technical progress since the D3100 launch.

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Arguments in favor of the Nikon D3100:

  • More compact: Is smaller (124x96mm vs 144x111mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 260g or 34 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (70 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in August 2010).

If the number of relative strengths (bullet points above) is taken as a guide, the 6D Mark II is the clear winner of the match-up (24 : 5 points). 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 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.

6D Mark II 24:05 D3100

How about other alternatives? Do the specifications of the Canon 6D Mark II and the Nikon D3100 place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 6D Mark II or the D3100. 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: Canon 6D Mark II vs Nikon D3100

This is where reviews by experts come in. 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
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon 6D Mark II»+80/1004.5/54/54/5 Jun 2017 1,999 i i Canon 6D Mark II
 
Nikon D3100«+ +72/1004.5/55/54.5/5 Aug 2010 599- i Nikon D3100
 
Canon R« »o79/1004.5/54/54/5 Sep 2018 2,299 i i Canon R
 
Canon 1D X Mark II« »-89/1004.5/55/54.5/5 Feb 2016 5,999 i i Canon 1D X Mark II
 
Canon 5D Mark IV« »+ +87/1004.5/55/54.5/5 Aug 2016 3,499 i i Canon 5D Mark IV
 
Canon 80D« »+ +84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i Canon 80D
 
Canon 5DS« »+83/1004.5/55/54.5/5 Feb 2015 3,699 i i Canon 5DS
 
Canon 5DS R« »+83/1005/55/54.5/5 Feb 2015 3,699 i i Canon 5DS R
 
Canon 7D II« »+84/1004/55/54.5/5 Sep 2014 1,799 i i Canon 7D II
 
Canon 6D« »+ +83/1004.5/54.5/54.5/5 Sep 2012 2,099- i Canon 6D
 
Nikon D500« »+ +91/1004.5/55/55/5 Jan 2016 1,999 i i Nikon D500
 
Nikon D610« »+ +87/1004.5/54.5/54.5/5 Oct 2013 1,999 i i Nikon D610
 
Nikon D3200« »+ +73/1004.5/54.5/54.5/5 Apr 2012 599- i Nikon D3200
 
Nikon D5100« »+ +76/1004.5/55/54.5/5 Apr 2011 749- i Nikon D5100
 
Nikon D3000« »+72/1004/53.5/54.5/5 Jul 2009 599- i Nikon D3000
 
Nikon D5000« »+ +75/1004/55/54.5/5 Apr 2009 749- i Nikon D5000
 
Nikon D40« »81/100+ +o5/54.5/5 Nov 2006 499- i Nikon D40
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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.

Canon 6D Mark II:
Check Amazon price
Nikon D3100:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. 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 6D Mark II vs Nikon D3100

    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 6D Mark II Nikon D3100
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Nikon F mount lenses
    Launch Date June 2017 August 2010
    Launch Price USD 1999 USD 599
    Sensor Specs Canon 6D Mark II Nikon D3100
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.9 x 24.0 mm 23.1 x 15.4 mm
    Sensor Area 861.6 mm2 355.74 mm2
    Sensor Diagonal 43.2 mm 27.8 mm
    Crop Factor 1.0x 1.5x
    Sensor Resolution 26 Megapixels 14.2 Megapixels
    Image Resolution 6240 x 4160 pixels 4608 x 3072 pixels
    Pixel Pitch 5.76 μm 5.01 μm
    Pixel Density 3.01 MP/cm2 3.98 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/24p Video
    ISO Setting 100-40000 ISO 100-3200 ISO
    ISO Boost 50-102400 ISO 100-12800 ISO
    Image Processor DIGIC 7 EXPEED 2
    DXO Sensor Quality (score) 85 67
    DXO Color Depth (bits) 24.4 22.5
    DXO Dynamic Range (EV) 11.9 11.3
    DXO Low Light (ISO) 2862 919
    Screen Specs Canon 6D Mark II Nikon D3100
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 98% 95%
    Viewfinder Magnification 0.72x 0.53x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 230k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon 6D Mark II Nikon D3100
    Autofocus System Phase-detect AF Phase-detect AF
    Continuous Shooting 6.5 shutter flaps/s 3 shutter flaps/s
    Shutter Life Expectancy100 000 actuations100 000 actuations
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I no
    Connectivity Specs Canon 6D Mark II Nikon D3100
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging GPS built-in
    Body Specs Canon 6D Mark II Nikon D3100
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type LP-E6N power pack EN-EL14 power pack
    Battery Life (CIPA)1200 shots per charge550 shots per charge
    Body Dimensions 144 x 111 x 75 mm
    (5.7 x 4.4 x 3.0 in)
    124 x 96 x 75 mm
    (4.9 x 3.8 x 3.0 in)
    Camera Weight 765 g (27.0 oz) 505 g (17.8 oz)

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