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Canon M100 vs T7i

The Canon EOS M100 and the Canon EOS Rebel T7i (labelled Canon 800D in some countries) are two digital cameras that were announced, respectively, in August 2017 and February 2017. The M100 is a mirrorless interchangeable lens camera, while the T7i is a DSLR. Both cameras are equipped with an APS-C sensor. Both cameras offer a resolution of 24 megapixels.

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

Headline Specifications
Canon M100
versus
Canon T7i
Canon M100   Canon T7i
Mirrorless system camera Digital single lens reflex
Canon EF-M mount lenses Canon EF mount lenses
24 MP – APS-C sensor 24 MP – APS-C sensor
1080/60p Video 1080/60p Video
ISO 100-25,600 ISO 100-25,600 (100 - 51,200)
No viewfinder, LCD framing Optical viewfinder
3.0" LCD – 1040k dots 3.0" LCD – 1040k dots
Tilting touchscreen Swivel touchscreen
6.1 shutter flaps per second 6 shutter flaps per second
295 shots per battery charge600 shots per battery charge
108 x 67 x 35 mm, 302 g 131 x 100 x 76 mm, 532 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS M100 and the Canon EOS Rebel T7i? 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Canon M100 and the Canon T7i. 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 M100 can be obtained in two different colors (black, white), while the T7i is only available in black.

Size Canon M100 vs Canon T7i
Compare M100 versus T7i top
Comparison M100 or T7i rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon T7i is considerably larger (81 percent) than the Canon M100. Moreover, the T7i is substantially heavier (76 percent) than the M100. In this context, it is worth noting that neither the M100 nor the T7i 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 and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the M100 gets 295 shots out of its Canon LP-E12 battery, while the T7i can take 600 images on a single charge of its Canon LP-E17 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon M100 108 mm 67 mm 35 mm 302 g 295 n Aug 2017 499ebay.com
2.
 
Canon T7i 131 mm 100 mm 76 mm 532 g 600 n Feb 2017 749ebay.com
3.
 
Canon T8i 131 mm 103 mm 76 mm 515 g 800 n Feb 2020 749ebay.com
4.
 
Canon M200 108 mm 67 mm 35 mm 299 g 315 n Sep 2019 549ebay.com
5.
 
Canon 2000D 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 449 amazon.com
6.
 
Canon T7 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 449 amazon.com
7.
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 899ebay.com
8.
 
Canon 200D 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549ebay.com
9.
 
Canon G9 X Mark II 98 mm 58 mm 31 mm 206 g 235 n Jan 2017 529ebay.com
10.
 
Canon M6 112 mm 68 mm 45 mm 390 g 295 n Feb 2017 779ebay.com
11.
 
Canon M5 116 mm 89 mm 61 mm 427 g 295 n Sep 2016 979ebay.com
12.
 
Canon M3 111 mm 68 mm 44 mm 366 g 250 n Feb 2015 679ebay.com
13.
 
Canon M10 108 mm 67 mm 35 mm 301 g 255 n Oct 2015 499ebay.com
14.
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749ebay.com
15.
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649ebay.com
16.
 
Canon M 109 mm 66 mm 32 mm 298 g 230 n Jul 2012 599ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will naturally be influenced heavily by the price. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The M100 was launched at a markedly lower price (by 33 percent) than the T7i, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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. 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 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 T7i sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 24 megapixels. This similarity in sensor specs implies that both the M100 and the T7i have the same pixel density, as well as the same pixel size. It should, however, be noted that the M100 is a somewhat more recent model (by 6 months) than the T7i, and its sensor might have benefitted from technological advances during this time.

The Canon EOS M100 has a native sensitivity range from ISO 100 to ISO 25600. The corresponding ISO settings for the Canon EOS Rebel T7i are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 100-51200.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

M100 versus T7i MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon M100 APS-C 24.0 6000 40001080/60p23.512.9127278
2.
 
Canon T7i APS-C 24.0 6000 40001080/60p23.713.1158680
3.
 
Canon T8i APS-C 24.0 6000 40004K/24p24.013.5187383
4.
 
Canon M200 APS-C 24.0 6000 40004k/25p24.013.5183682
5.
 
Canon 2000D APS-C 24.0 6000 40001080/30p22.611.9100971
6.
 
Canon T7 APS-C 24.0 6000 40001080/30p23.813.3168481
7.
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
8.
 
Canon 200D APS-C 24.0 6000 40001080/60p23.613.4104179
9.
 
Canon G9 X Mark II 1-inch 20.0 5472 36481080/60p21.912.552265
10.
 
Canon M6 APS-C 24.0 6000 40001080/60p23.412.6131778
11.
 
Canon M5 APS-C 24.0 6000 40001080/60p23.412.4126277
12.
 
Canon M3 APS-C 24.0 6000 40001080/30p22.811.8116972
13.
 
Canon M10 APS-C 17.9 5184 34561080/30p22.211.475365
14.
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
15.
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
16.
 
Canon M APS-C 17.9 5184 34561080/30p22.111.282765
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. 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).

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the T7i 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 T7i, and comparable cameras.

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Core Features
# image Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon M100none n3.0 / 1040 tilting Y 1/4000s 6.1/s Y n
2.
 
Canon T7ioptical n3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
3.
 
Canon T8ioptical n3.0 / 1040 swivel Y 1/4000s 7.5/s Y n
4.
 
Canon M200none n3.0 / 1040 tilting Y 1/4000s 6.1/s Y n
5.
 
Canon 2000Doptical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
6.
 
Canon T7optical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
7.
 
Canon 77Doptical Y3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
8.
 
Canon 200Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
9.
 
Canon G9 X Mark IInone n3.0 / 1040 fixed Y 1/2000s 8.2/s Y Y
10.
 
Canon M6optional n3.0 / 1040 tilting Y 1/4000s 9.0/s Y n
11.
 
Canon M52360 n3.2 / 1620 tilting Y 1/4000s 9.0/s Y n
12.
 
Canon M3optional n3.0 / 1040 tilting Y 1/4000s 4.2/s Y n
13.
 
Canon M10none n3.0 / 1040 tilting Y 1/4000s 4.6/s Y n
14.
 
Canon T6ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
15.
 
Canon T5ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
16.
 
Canon Mnone n3.0 / 1040 fixed Y 1/4000s 4.3/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

Concerning the storage of imaging data, both the M100 and the T7i write their files to SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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Connectivity comparison

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 M100 and Canon EOS Rebel T7i and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon M100-stereo / mono--micro2.0YYY
2.
 
Canon T7iYstereo / monoY-mini2.0YYY
3.
 
Canon T8iYstereo / monoY-mini2.0Y-Y
4.
 
Canon M200-stereo / mono--micro2.0Y-Y
5.
 
Canon 2000DYmono / mono--mini2.0YY-
6.
 
Canon T7Ymono / mono--mini2.0YY-
7.
 
Canon 77DYstereo / monoY-mini2.0YYY
8.
 
Canon 200DYstereo / monoY-mini2.0YYY
9.
 
Canon G9 X Mark II-stereo / mono--micro2.0YYY
10.
 
Canon M6Ystereo / monoY-mini2.0YYY
11.
 
Canon M5Ystereo / monoY-mini2.0YYY
12.
 
Canon M3Ystereo / monoY-mini2.0YY-
13.
 
Canon M10-stereo / mono--mini2.0YY-
14.
 
Canon T6iYstereo / monoY-mini2.0YY-
15.
 
Canon T5iYstereo / monoY-mini2.0---
16.
 
Canon MYstereo / monoY-mini2.0---
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It is notable that the T7i has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The M100 does not feature such a mic input.

Both the M100 and the T7i have been discontinued, but can regularly be found used on ebay. The T7i was replaced by the Canon T8i, while the M100 was followed by the Canon M200. Further information on the features and operation of the M100 and T7i can be found, respectively, in the Canon M100 Manual (free pdf) or the online Canon T7i Manual.

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Review summary

So how do things add up? Which of the two cameras – the Canon M100 or the Canon T7i – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.


Arguments in favor of the Canon EOS M100:

  • More compact: Is smaller (108x67mm vs 131x100mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 230g or 43 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • More affordable: Was introduced into a lower priced category (33 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 6 months after the T7i).


Advantages of the Canon EOS Rebel T7i:

  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Longer lasting: Gets more shots (600 versus 295) out of a single battery charge.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More heavily discounted: Has been on the market for longer (launched in February 2017).

If the count of relative strengths (bullet points above) is taken as a measure, the T7i comes out slightly ahead of the M100 (6 : 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

M100 05:06 T7i

How about other alternatives? Do the specifications of the Canon M100 and the Canon T7i place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the M100 or the T7i 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.

Expert reviews

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). 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.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon M1003/5+....4/53.5/5 Aug 2017 499ebay.com
2.
 
Canon T7i4.5/5..3.5/580/1004.5/54/5 Feb 2017 749ebay.com
3.
 
Canon T8i4.5/5+3/580/1004/53.5/5 Feb 2020 749ebay.com
4.
 
Canon M200..+3/579/1004/54/5 Sep 2019 549ebay.com
5.
 
Canon 2000D3/5o3.5/5..3.5/53.5/5 Feb 2018 449 amazon.com
6.
 
Canon T7..o3.5/5..3.5/53.5/5 Feb 2018 449 amazon.com
7.
 
Canon 77D4.5/5..4/582/1004.5/54/5 Feb 2017 899ebay.com
8.
 
Canon 200D4/5+ +4/578/1004.5/54.5/5 Jun 2017 549ebay.com
9.
 
Canon G9 X Mark II4/5..4/575/1004.5/54.5/5 Jan 2017 529ebay.com
10.
 
Canon M6......80/1004/54/5 Feb 2017 779ebay.com
11.
 
Canon M54/5+4/582/1004/54/5 Sep 2016 979ebay.com
12.
 
Canon M34/5o..75/1004.5/54/5 Feb 2015 679ebay.com
13.
 
Canon M10..........4/5 Oct 2015 499ebay.com
14.
 
Canon T6i5/5....75/1004.5/54.5/5 Feb 2015 749ebay.com
15.
 
Canon T5i......76/1004.5/54.5/5 Mar 2013 649ebay.com
16.
 
Canon M3/5+....4/54/5 Jul 2012 599ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price 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.

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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 use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon M100 vs Canon T7i

    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 M100 Canon T7i
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Canon EF-M mount lenses Canon EF mount lenses
    Launch Date August 2017 February 2017
    Launch Price USD 499 USD 749
    Sensor Specs Canon M100 Canon T7i
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.3 x 14.9 mm 22.3 x 14.9 mm
    Sensor Area 332.27 mm2 332.27 mm2
    Sensor Diagonal 26.8 mm 26.8 mm
    Crop Factor 1.6x 1.6x
    Sensor Resolution 24 Megapixels 24 Megapixels
    Image Resolution 6000 x 4000 pixels 6000 x 4000 pixels
    Pixel Pitch 3.72 μm 3.72 μm
    Pixel Density 7.22 MP/cm2 7.22 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 100 - 25,600 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 100 - 51,200 ISO
    Image Processor DIGIC 7 DIGIC 7
    DXO Sensor Quality (score) 78 ..
    DXO Color Depth (bits) 23.5 ..
    DXO Dynamic Range (EV) 12.9 ..
    DXO Low Light (ISO) 1272 ..
    Screen Specs Canon M100 Canon T7i
    Viewfinder Type no viewfinder Optical viewfinder
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.51x
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Tilting screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon M100 Canon T7i
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 6.1 shutter flaps/s 6 shutter flaps/s
    Shutter Life Expectancy100 000 actuations100 000 actuations
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Canon M100 Canon T7i
    External Flash no Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Canon M100 Canon T7i
    Battery Type Canon LP-E12 Canon LP-E17
    Battery Life (CIPA)295 shots per charge600 shots per charge
    Body Dimensions 108 x 67 x 35 mm
    (4.3 x 2.6 x 1.4 in)
    131 x 100 x 76 mm
    (5.2 x 3.9 x 3.0 in)
    Camera Weight 302 g (10.7 oz) 532 g (18.8 oz)
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