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Canon M3 versus Canon M6

The Canon EOS M3 and the Canon EOS M6 are two digital cameras that were revealed to the public, respectively, in February 2015 and February 2017. Both the EOS M3 and the EOS M6 are mirrorless interchangeable lens cameras that are equipped with an APS-C sensor. Both cameras offer a resolution of 24 megapixel.

Body comparison

The physical size and weight of the Canon M3 and the Canon M6 are illustrated in the side-by-side display below. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures 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 side – the EOS M3 – represents the basis for the calculations across all the size and weight measures).

Canon M3 vs Canon M6 front
EOS M3 versus EOS M6 top view
EOS M3 and EOS M6 rear side
Body view (EOS M3 on the left)

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon M6 is somewhat larger (1 percent) than the Canon M3. Moreover, the EOS M6 is slightly heavier (7 percent) than the EOS M3. In this context, it is worth noting that neither the EOS M3 nor the EOS M6 are weather-sealed.

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 the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

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 comparisons there.

Camera Body Specifications
Camera Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(y/n)
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Canon M3 (⇒ rgt) 111 mm 68 mm 44 mm 366 g 250 no 2015 679discont. check
Canon M6 (⇒ lft) 112 mm 68 mm 45 mm 390 g 295 no 2017 779 latest check
Canon 77D (⇒ lft | rgt) 131 mm 100 mm 76 mm 540 g 600 no 2017 899 latest check
Canon M100 (⇒ lft | rgt) 108 mm 67 mm 35 mm 302 g 295 no 2017 499 latest check
Canon M5 (⇒ lft | rgt) 116 mm 89 mm 61 mm 427 g 295 no 2016 979 latest check
Canon G7 X Mark II (⇒ lft | rgt) 106 mm 61 mm 42 mm 319 g 265 no 2016 699 latest check
Canon G9 X (⇒ lft | rgt) 98 mm 58 mm 31 mm 209 g 220 no 2015 529discont. check
Canon 750D (⇒ lft | rgt) 132 mm 101 mm 78 mm 555 g 440 no 2015 749discont. check
Canon M10 (⇒ lft | rgt) 108 mm 67 mm 35 mm 301 g 255 no 2015 499discont. check
Canon G5 X (⇒ lft | rgt) 112 mm 76 mm 44 mm 353 g 210 no 2015 799 latest check
Canon G7 X (⇒ lft | rgt) 103 mm 60 mm 40 mm 304 g 210 no 2014 699discont. check
Nikon D5600 (⇒ lft | rgt) 124 mm 97 mm 70 mm 465 g 970 no 2016 699 latest check
Sony A6000 (⇒ lft | rgt) 120 mm 67 mm 45 mm 344 g 360 no 2014 599discont. check

The listed prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The EOS M3 was launched at a somewhat lower price (by 13 percent) than the EOS M6, which makes it more attractive for photographers on a tight budget. 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tent to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor and have a format factor (sometimes also referred to as "crop factor") of 1.6. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon M3 and Canon M6 sensor measures
Sensor size
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Sensor size

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 24 megapixel. This similarity in sensor specs implies that both the EOS M3 and the EOS M6 have the same pixel density, as well as the same pixel size. It should, however, be noted that the EOS M6 is much more recent (by 2 years) than the EOS M3, and its sensor will have benefitted from technological advances during this time.

EOS M3 versus EOS M6 MP
Sensor resolution
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Sensor resolution

For most 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. 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 Sensor
Class
Resolution
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon M3 (⇒ rgt) APS-C 24.0 6000 4000 1080/30p 22.8 11.8 1169 72
Canon M6 (⇒ lft) APS-C 24.0 6000 4000 1080/60p .. .. .. ..
Canon 77D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p .. .. .. ..
Canon M100 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p .. .. .. ..
Canon M5 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 23.4 12.4 1262 77
Canon G7 X Mark II (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p - - - -
Canon G9 X (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p 21.5 12.3 495 63
Canon 750D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 22.7 12.0 919 71
Canon M10 (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 22.2 11.4 753 65
Canon G5 X (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p - - - -
Canon G7 X (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p 23.0 12.7 556 71
Nikon D5600 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 24.1 14.0 1306 84
Sony A6000 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 24.1 13.1 1347 82

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 EOS M6 provides a faster frame rate than the EOS M3. It can shoot movie footage at 1080/60p, while the EOS M3 is limited to 1080/30p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The EOS M3 and the EOS M6 are similar in the sense that neither of the two has a viewfinder. The images are, thus, framed using live view on the rear LCD. The following table reports on some other key feature differences and similarities of the Canon M3, the Canon M6, 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
(Y/n)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(Y/n)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(GN)
Build-in
Image
Stab
Canon M3 (⇒ rgt) no no 3.0 1040 tilting YES 4000 4.2 5 no
Canon M6 (⇒ lft) no no 3.0 1040 tilting YES 4000 9.0 5 no
Canon 77D (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 4000 6.0 12 no
Canon M100 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 6.1 5 no
Canon M5 (⇒ lft | rgt) 2360 no 3.2 1620 tilting YES 4000 9.0 5 no
Canon G7 X Mark II (⇒ lft | rgt) no no 3.0 1040 tilting YES 2000 8.0 7 no
Canon G9 X (⇒ lft | rgt) no no 3.0 1040 fixed YES 2000 6.0 6 no
Canon 750D (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 12 no
Canon M10 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 4.6 5 no
Canon G5 X (⇒ lft | rgt) 2360 no 3.0 1040 swivel YES 2000 5.9 7 no
Canon G7 X (⇒ lft | rgt) no no 3.0 1040 tilting YES 2000 6.5 7 no
Nikon D5600 (⇒ lft | rgt) optical no 3.2 1037 swivel YES 4000 5.0 12 no
Sony A6000 (⇒ lft | rgt) 1440 no 3.0 922 tilting no 4000 11.0 6 no

The EOS M6 is a current model that online retailers, such as amazon, will have in stock. In contrast, the EOS M3 has been discontinued (but it can be found pre-owned on ebay). As a replacement in the same line of cameras, the EOS M3 was succeeded by the Canon M6.

Summary

So what conclusions can be drawn? Which of the two cameras – the Canon M3 or the Canon M6 – has the upper hand? Below is a summary of the relative strengths of each of the two contestants.


Arguments in favor of the Canon EOS M3:

  • More affordable: Was introduced into a lower priced segment (13 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in February 2015).

Reasons to prefer the Canon EOS M6:

  • Better video: Provides higher movie framerates (1080/60p vs 1080/30p).
  • Faster burst: Shoots at higher frequency (9 vs 4.2 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (295 versus 250) out of a single battery charge.
  • More modern: Reflects 2 years of technical progress since the EOS M3 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the EOS M6 emerges as the winner of the match-up (4 : 2 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.

EOS M3 02:04 EOS M6

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the EOS M3 or the EOS M6 handle or perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate. This is why expert reviews are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites. The full reviews are available, respectively, at cameralabs.com, dpreview.com, ephotozine.com, imaging-resource.com, and photographyblog.com.

Review scores
Camera camera
labs
dp
review
ephoto
zine
imaging
resource
photography
blog
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Canon M3 (⇒ rgt) reviewed 75/100 4.5/5 4.5/5 4/5 2015 679discont. check
Canon M6 (⇒ lft) - 80/100 Silver 4/5 4.5/5 4/5 2017 779 latest check
Canon 77D (⇒ lft | rgt) .. 82/100 Silver 4.5/5 .. 4/5 2017 899 latest check
Canon M100 (⇒ lft | rgt) .. .. 4/5 .. 3.5/5 2017 499 latest check
Canon M5 (⇒ lft | rgt) Rec 82/100 Silver 4/5 4.5/5 4/5 2016 979 latest check
Canon G7 X Mark II (⇒ lft | rgt) HiRec 81/100 Silver 4.5/5 4/5 4.5/5 2016 699 latest check
Canon G9 X (⇒ lft | rgt) HiRec - 4.5/5 4/5 4.5/5 2015 529discont. check
Canon 750D (⇒ lft | rgt) - 75/100 4.5/5 4.5/5 4.5/5 2015 749discont. check
Canon M10 (⇒ lft | rgt) - - - reviewed 4/5 2015 499discont. check
Canon G5 X (⇒ lft | rgt) HiRec 78/100 Silver 4.5/5 4/5 4.5/5 2015 799 latest check
Canon G7 X (⇒ lft | rgt) HiRec 77/100 Silver 4.5/5 3.5/5 4.5/5 2014 699discont. check
Nikon D5600 (⇒ lft | rgt) - 79/100 Silver 4.5/5 4.5/5 4/5 2016 699 latest check
Sony A6000 (⇒ lft | rgt) Rec 80/100 Gold 4.5/5 5/5 5/5 2014 599discont. check

The above review scores should be interpreted 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 comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Other comparisons

If you would like to see a different side-by-side camera review, just use the search menu below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If you do not see the camera that you are looking for, please send me an email, and I will try to add information on that model to the database.

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