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Canon G9 X Mark II versus Canon SL2

The Canon PowerShot G9 X Mark II and the Canon EOS Rebel SL2 (called Canon 200D in some regions) are two digital cameras that were officially introduced, respectively, in January 2017 and June 2017. The G9X Mark II is a fixed lens compact, while the SL2 is a DSLR. The cameras are based on an one-inch (G9X Mark II) and an APS-C sensor. The G9X Mark II has a resolution of 20 megapixel, whereas the SL2 provides 24 MP.

Body comparison

The physical size and weight of the Canon G9 X Mark II and the Canon SL2 are illustrated in the side-by-side display below. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions 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 – the G9X Mark II – represents 100 percent across all the size and weight measures).

Canon G9 X Mark II vs Canon SL2 front
G9X Mark II versus SL2 top view
G9X Mark II and SL2 rear side
Body view (G9X Mark II 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 SL2 is considerably larger (100 percent) than the Canon G9 X Mark II. Cameras intended for semi-professional or professional use tend to be a bit bulkier in order to give them the necessary ruggedness. In this context, it is worth noting that neither the G9X Mark II nor the SL2 are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G9X Mark II has a lens build in, whereas the SL2 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can find an overview of optics for the SL2 and their specifications in the Canon EF Lens Catalog.

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 G9 X Mark II (⇒ rgt) 98 mm 58 mm 31 mm 206 g 235 no 2017 529 latest check
Canon SL2 (⇒ lft) 122 mm 93 mm 70 mm 453 g 650 no 2017 549 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 T6 (⇒ lft | rgt) 129 mm 101 mm 78 mm 485 g 500 no 2016 449 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 M10 (⇒ lft | rgt) 108 mm 67 mm 35 mm 301 g 255 no 2015 499discont. check
Canon T6i (⇒ lft | rgt) 132 mm 101 mm 78 mm 555 g 440 no 2015 749discont. check
Canon T6s (⇒ lft | rgt) 132 mm 101 mm 78 mm 565 g 440 no 2015 849discont. check
Canon G7 X (⇒ lft | rgt) 103 mm 60 mm 40 mm 304 g 210 no 2014 699discont. check
Canon SL1 (⇒ lft | rgt) 117 mm 91 mm 69 mm 407 g 380 no 2013 549discont. check
Canon G16 (⇒ lft | rgt) 109 mm 76 mm 40 mm 356 g 360 no 2013 549 latest check
Sony RX100 V (⇒ lft | rgt) 102 mm 58 mm 41 mm 299 g 220 no 2016 999 latest check

The listed prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G9X Mark II was launched at a lower price than the SL2, despite having a lens build in. 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 imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color depth than smaller pixel-units 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 are more costly to manufacture and tent to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon G9 X Mark II features an one-inch sensor and the Canon SL2 an APS-C sensor. The sensor area in the SL2 is 186 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon G9 X Mark II and Canon SL2 sensor measures
Sensor size

With 24MP, the SL2 offers a higher resolution than the G9X Mark II (20MP), but the SL2 nevertheless has larger individual pixels (pixel pitch of 3.72μm versus 2.41μm for the G9X Mark II) due to its larger sensor. Moreover, the SL2 is a somewhat more recent model (by 5 months) than the G9X Mark II, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

G9X Mark II versus SL2 MP
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. Of the two cameras under consideration, the SL2 offers substantially better image quality than the G9X Mark II (overall score 14 points higher). The advantage is based on 1.7 bits higher color depth, 0.9 EV in additional dynamic range, and 1 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 Sensor
Class
Resolution
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon G9 X Mark II (⇒ rgt) 1-inch 20.0 5472 3648 1080/60p 21.9 12.5 522 65
Canon SL2 (⇒ lft) APS-C 24.0 6000 4000 1080/60p 23.6 13.4 1041 79
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 T6 (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p - - - -
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 M10 (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 22.2 11.4 753 65
Canon T6i (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 22.7 12.0 919 71
Canon T6s (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/30p 22.6 12.0 915 70
Canon G7 X (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p 23.0 12.7 556 71
Canon SL1 (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 21.8 11.3 843 63
Canon G16 (⇒ lft | rgt) 1/1.7 12.0 4000 3000 1080/60p 21.0 11.7 230 54
Sony RX100 V (⇒ lft | rgt) 1-inch 20.0 5472 3648 4K/30p 22.8 12.4 586 70

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (1080/60p).

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the SL2 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the G9X Mark II 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 G9 X Mark II, the Canon SL2, 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 G9 X Mark II (⇒ rgt) no no 3.0 1040 fixed YES 2000 8.2 6 no
Canon SL2 (⇒ lft) optical no 3.0 1040 swivel YES 4000 5.0 9.8 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 T6 (⇒ lft | rgt) optical no 3.0 920 fixed no 4000 3.0 9.2 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 M10 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 4.6 5 no
Canon T6i (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 12 no
Canon T6s (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 4000 5.0 12 no
Canon G7 X (⇒ lft | rgt) no no 3.0 1040 tilting YES 2000 6.5 7 no
Canon SL1 (⇒ lft | rgt) optical no 3.0 1040 fixed YES 4000 4.9 9.4 no
Canon G16 (⇒ lft | rgt) optical no 3.0 922 fixed no 4000 2.2 7 no
Sony RX100 V (⇒ lft | rgt) 2359 no 3.0 1229 tilting no 2000 24.0 10.2 no

Both the G9X Mark II and the SL2 are current models that good online retailers will have in stock. You can check the latest prices, for example, at amazon. The G9X Mark II replaced the earlier Canon G9 X, while the SL2 followed on from the Canon SL1.

Summary

So what conclusions can be drawn? Which of the two cameras – the Canon G9 X Mark II or the Canon SL2 – has the upper hand? Below is a summary of the relative strengths of each of the two contestants.


Reasons to prefer the Canon PowerShot G9 X Mark II:

  • Faster burst: Shoots at higher frequency (8.2 vs 5 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Comes with a build-in lens, while the SL2 requires a separate lens.
  • More compact: Is smaller (98x58mm vs 122x93mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a build-in lens (unlike the SL2).
  • More affordable: Was introduced at a lower price, despite coming with a build-in lens.
  • More heavily discounted: Has been on the market for longer (launched in January 2017).

Advantages of the Canon EOS Rebel SL2:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • Better image quality: Scores substantially higher (14 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.7 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (0.9 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1 stops ISO advantage).
  • Easier framing: Has an optical viewfinder for image framing.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has a higher mechanical shutter speed (4000/sec vs 2000/sec) to freeze action.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • Longer lasting: Gets more shots (650 versus 235) out of a single battery charge.
  • More modern: Was introduced somewhat (5 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the SL2 is the clear winner of the contest (11 : 6 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.

G9X Mark II 06:11 SL2

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the G9X Mark II or the SL2. 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 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. The detailed reviews can be accessed, respectively, on the websites of 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 G9 X Mark II (⇒ rgt) .. .. 4.5/5 4.5/5 4.5/5 2017 529 latest check
Canon SL2 (⇒ lft) HiRec 78/100 Silver 4.5/5 - 4.5/5 2017 549 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 T6 (⇒ lft | rgt) reviewed 73/100 4/5 3.5/5 4/5 2016 449 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 M10 (⇒ lft | rgt) - - - reviewed 4/5 2015 499discont. check
Canon T6i (⇒ lft | rgt) - 75/100 4.5/5 4.5/5 4.5/5 2015 749discont. check
Canon T6s (⇒ lft | rgt) Rec 77/100 Silver 4.5/5 4.5/5 4.5/5 2015 849discont. check
Canon G7 X (⇒ lft | rgt) HiRec 77/100 Silver 4.5/5 3.5/5 4.5/5 2014 699discont. check
Canon SL1 (⇒ lft | rgt) Rec 78/100 Gold 4/5 4/5 4/5 2013 549discont. check
Canon G16 (⇒ lft | rgt) Rec - 4.5/5 4.5/5 4.5/5 2013 549 latest check
Sony RX100 V (⇒ lft | rgt) HiRec 83/100 Silver 4/5 5/5 4.5/5 2016 999 latest check

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

Other comparisons

In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored. If you cannot find the camera you are interested in, please contact me, and I will try to add information on that model to the database.

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