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Canon M100 versus Canon 100D

The Canon EOS M100 and the Canon EOS 100D (labelled Canon SL1 in some countries) are two digital cameras that were officially introduced, respectively, in August 2017 and March 2013. The M100 is a mirrorless interchangeable lens camera, while the 100D is a DSLR. Both cameras are equipped with an APS-C sensor. The M100 has a resolution of 24 megapixel, whereas the 100D provides 17.9 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 M100 vs Canon 100D

An illustration of the physical size and weight of the Canon M100 and the Canon 100D is provided 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 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 side – the M100 – represents the basis for the calculations across all the size and weight measures).

Compare Canon M100 vs Canon 100D
M100 versus 100D top view
M100 and 100D rear side
Body view (M100 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 100D is considerably larger (47 percent) than the Canon M100. Moreover, the 100D is substantially heavier (35 percent) than the M100. In this context, it is worth noting that neither the M100 nor the 100D 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 camera 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 M100 (⇒ rgt) 108 mm 67 mm 35 mm 302 g 295 no 2017 499 latest check
Canon 100D (⇒ lft) 117 mm 91 mm 69 mm 407 g 380 no 2013 549discont. check
Canon G9 X Mark II (⇒ lft | rgt) 98 mm 58 mm 31 mm 206 g 235 no 2017 529 latest check
Canon 200D (⇒ lft | rgt) 122 mm 93 mm 70 mm 453 g 650 no 2017 549 latest check
Canon M6 (⇒ lft | rgt) 112 mm 68 mm 45 mm 390 g 295 no 2017 779 latest check
Canon SL2 (⇒ lft | rgt) 122 mm 93 mm 70 mm 453 g 650 no 2017 549 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 M10 (⇒ lft | rgt) 108 mm 67 mm 35 mm 301 g 255 no 2015 499discont. check
Canon M3 (⇒ lft | rgt) 111 mm 68 mm 44 mm 366 g 250 no 2015 679discont. check
Canon 1200D (⇒ lft | rgt) 130 mm 100 mm 78 mm 480 g 500 no 2014 449discont. check
Canon G7 X (⇒ lft | rgt) 103 mm 60 mm 40 mm 304 g 210 no 2014 699discont. check
Canon 700D (⇒ lft | rgt) 133 mm 100 mm 79 mm 580 g 440 no 2013 649discont. check
Canon G16 (⇒ lft | rgt) 109 mm 76 mm 40 mm 356 g 360 no 2013 549 latest check
Canon M (⇒ lft | rgt) 109 mm 66 mm 32 mm 298 g 230 no 2012 599discont. check
Nikon D3400 (⇒ lft | rgt) 124 mm 98 mm 76 mm 445 g 1200 no 2016 499 latest check
Panasonic G6 (⇒ lft | rgt) 122 mm 85 mm 71 mm 390 g 340 no 2013 599discont. check

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 M100 was somewhat cheaper (by 9 percent) than the 100D at launch, but both cameras fall into the same price category. 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 M100 vs Canon 100D

The size of the imaging sensor is a crucial determinant 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. 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 more expensive and 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 M100 and Canon 100D sensor measures
Sensor size

While the two cameras under review share the same sensor size, the M100 offers a higher resolution of 24 megapixel, compared with 17.9 MP of the 100D. This megapixel advantage translates into a 16 percent gain in linear resolution. On the other hand, these sensor specs imply that the M100 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.72μm versus 4.31μm for the 100D). In this context, it should be noted, however, that the M100 is much more recent (by 4 years and 5 months) than the 100D, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size.

M100 versus 100D MP
Sensor resolution

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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"). Of the two cameras under review, the M100 provides substantially higher image quality than the 100D, with an overall score that is 15 points higher. This advantage is based on 1.7 bits higher color depth, 1.6 EV in additional dynamic range, and 0.6 stops in additional 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 Sensor
Class
Resolution
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon M100 (⇒ rgt) APS-C 24.0 6000 4000 1080/60p 23.5 12.9 1272 78
Canon 100D (⇒ lft) APS-C 17.9 5184 3456 1080/30p 21.8 11.3 843 63
Canon G9 X Mark II (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p 21.9 12.5 522 65
Canon 200D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 23.6 13.4 1041 79
Canon M6 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p .. .. .. ..
Canon SL2 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 23.6 13.4 1041 79
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 M10 (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 22.2 11.4 753 65
Canon M3 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/30p 22.8 11.8 1169 72
Canon 1200D (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 21.9 11.3 724 63
Canon G7 X (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p 23.0 12.7 556 71
Canon 700D (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 21.7 11.2 681 61
Canon G16 (⇒ lft | rgt) 1/1.7 12.0 4000 3000 1080/60p 21.0 11.7 230 54
Canon M (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 22.1 11.2 827 65
Nikon D3400 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 24.8 13.9 1192 86
Panasonic G6 (⇒ lft | rgt) Four Thirds 15.9 4608 3456 1080/60p 21.3 11.5 639 61

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the M100 provides a higher frame rate than the 100D. It can shoot video footage at 1080/60p, while the 100D is limited to 1080/30p.

Feature comparison: Canon M100 vs Canon 100D

Beyond body and sensor, cameras can and do differ across a range of features. For example, the 100D has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the M100 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Canon M100, the Canon 100D, and comparable cameras. The full specs-sheets can be found in the camera manual or, 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 M100 (⇒ rgt) no no 3.0 1040 tilting YES 4000 6.1 5 no
Canon 100D (⇒ lft) optical no 3.0 1040 fixed YES 4000 4.9 9.4 no
Canon G9 X Mark II (⇒ lft | rgt) no no 3.0 1040 fixed YES 2000 8.2 6 YES
Canon 200D (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 9.8 no
Canon M6 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 9.0 5 no
Canon SL2 (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 9.8 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 YES
Canon M10 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 4.6 5 no
Canon M3 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 4.2 5 no
Canon 1200D (⇒ lft | rgt) optical no 3.0 460 fixed no 4000 3.0 9.2 no
Canon G7 X (⇒ lft | rgt) no no 3.0 1040 tilting YES 2000 6.5 7 YES
Canon 700D (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 13 no
Canon G16 (⇒ lft | rgt) optical no 3.0 922 fixed no 4000 2.2 7 YES
Canon M (⇒ lft | rgt) no no 3.0 1040 fixed YES 4000 4.3 no no
Nikon D3400 (⇒ lft | rgt) optical no 3.0 921 fixed no 4000 5.0 7 no
Panasonic G6 (⇒ lft | rgt) 1440 no 3.0 1036 swivel YES 4000 7.0 10.5 no

The M100 is a current model that online retailers, such as amazon, will have in stock. In contrast, the 100D has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the 100D was succeeded by the Canon 200D.

Review summary: Canon M100 vs Canon 100D

So what is the bottom line? Is the Canon M100 better than the Canon 100D or vice versa? Below is a summary of the relative strengths of each of the two contestants.


Reasons to prefer the Canon EOS M100:

  • More detail: Offers more megapixels (24 vs 17.9MP) with a 16% higher linear resolution.
  • Better image quality: Scores substantially higher (15 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.7 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (1.6 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.6 stops ISO advantage).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster burst: Shoots at higher frequency (6.1 vs 4.9 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (108x67mm vs 117x91mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 105g or 26 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • More modern: Reflects 4 years and 5 months of technical progress since the 100D launch.

Arguments in favor of the Canon EOS 100D:

  • Easier framing: Has an optical viewfinder for image framing and settings control.
  • Longer lasting: Gets more shots (380 versus 295) out of a single battery charge.
  • More heavily discounted: Has been around for much longer (launched in March 2013).

If the count of relative strengths (bullet points above) is taken as a measure, the M100 is the clear winner of the match-up (12 : 3 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera.

M100 12:03 100D

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the M100 and the 100D in practical situations. 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. You can find the full text of the reviews, respectively, at cameralabs.com, dpreview.com, ephotozine.com, imaging-resource.com, and photographyblog.com.

Review scores
Camera camera
labs
.com
dp
review
.com
ephoto
zine
.com
imaging
resource
.com
photography
blog
.com
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Canon M100 (⇒ rgt) Rec .. 4/5 .. 3.5/5 2017 499 latest check
Canon 100D (⇒ lft) Rec 78/100 Gold 4/5 4/5 4/5 2013 549discont. check
Canon G9 X Mark II (⇒ lft | rgt) .. 75/100 4.5/5 4.5/5 4.5/5 2017 529 latest check
Canon 200D (⇒ lft | rgt) HiRec 78/100 Silver 4.5/5 4.5/5 4.5/5 2017 549 latest check
Canon M6 (⇒ lft | rgt) - 80/100 Silver 4/5 4.5/5 4/5 2017 779 latest check
Canon SL2 (⇒ lft | rgt) HiRec 78/100 Silver 4.5/5 4.5/5 4.5/5 2017 549 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 M10 (⇒ lft | rgt) - - - reviewed 4/5 2015 499discont. check
Canon M3 (⇒ lft | rgt) reviewed 75/100 4.5/5 4.5/5 4/5 2015 679discont. check
Canon 1200D (⇒ lft | rgt) 4/5 - 4/5 4/5 4.5/5 2014 449discont. check
Canon G7 X (⇒ lft | rgt) HiRec 77/100 Silver 4.5/5 3.5/5 4.5/5 2014 699discont. check
Canon 700D (⇒ lft | rgt) - 76/100 Silver 4.5/5 4.5/5 4.5/5 2013 649discont. check
Canon G16 (⇒ lft | rgt) Rec - 4.5/5 4.5/5 4.5/5 2013 549 latest check
Canon M (⇒ lft | rgt) Rec - 4/5 3.5/5 4/5 2012 599discont. check
Nikon D3400 (⇒ lft | rgt) Rec 76/100 4/5 4.5/5 4.5/5 2016 499 latest check
Panasonic G6 (⇒ lft | rgt) HiRec - 5/5 - 4.5/5 2013 599discont. check

The above review scores should be interpreted with care, though. The ratings are only valid when refering 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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