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Canon G9 X Mark II vs YI M1

The Canon PowerShot G9 X Mark II and the YI M1 are two digital cameras that were announced, respectively, in January 2017 and September 2016. The G9X Mark II is a fixed lens compact, while the M1 is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (G9X Mark II) and a Four Thirds (M1) sensor. The Canon has a resolution of 20 megapixels, whereas the YI provides 20.2 MP.

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

Headline Specifications
Canon G9 X Mark II versus YI M1
Canon G9 X Mark II YI M1
Fixed lens compact camera Mirrorless system camera
28-84mm f/2.0-4.9 Micro Four Thirds lenses
20 MP, 1" Sensor 20.2 MP, Four Thirds Sensor
1080/60p Video 4K/30p Video
ISO 125-12,800 ISO 100-25,600
No viewfinder, LCD framing No viewfinder, LCD framing
3.0 LCD, 1040k dots 3.0 LCD, 1040k dots
Fixed touchscreen Fixed touchscreen
8.2 shutter flaps per second 5 shutter flaps per second
235 shots per battery charge450 shots per battery charge
98 x 58 x 31 mm, 206 g 114 x 64 x 34 mm, 281 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G9 X Mark II and the YI M1? 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

An illustration of the physical size and weight of the Canon G9 X Mark II and the YI M1 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.

Both cameras are available in two different colors (black, silver).

Size Canon G9 X Mark II vs YI M1
Compare G9X Mark II versus M1 top
Comparison G9X Mark II or M1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the YI M1 is notably larger (28 percent) than the Canon G9 X Mark II. In this context, it is worth noting that neither the G9X Mark II nor the M1 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 built in, whereas the M1 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the M1 and their specifications in the Micro Four Thirds Lens Catalog.

The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
 
Canon G9 X Mark II 3.9 in 2.3 in 1.2 in 7.3 oz 235 n Jan 2017 529 i
 
YI M1 4.5 in 2.5 in 1.3 in 9.9 oz 450 n Sep 2016 349 i
 
Canon SX70 5.0 in 3.6 in 4.6 in 21.4 oz 325 n Sep 2018 549 i
 
Canon M100 4.3 in 2.6 in 1.4 in 10.7 oz 295 n Aug 2017 499i
 
Canon SL2 4.8 in 3.7 in 2.8 in 16.0 oz 650 n Jun 2017 549i
 
Canon SX730 4.3 in 2.5 in 1.6 in 10.6 oz 250 n Apr 2017 399i
 
Canon G7 X Mark II 4.2 in 2.4 in 1.7 in 11.3 oz 265 n Feb 2016 699i
 
Canon G9 X 3.9 in 2.3 in 1.2 in 7.4 oz 220 n Oct 2015 529i
 
Canon G7 X 4.1 in 2.4 in 1.6 in 10.7 oz 210 n Sep 2014 699i
 
Fujifilm X-A3 4.6 in 2.6 in 1.6 in 12.0 oz 410 n Aug 2016 399i
 
Nikon 1 J5 3.9 in 2.4 in 1.3 in 8.1 oz 250 n Apr 2015 399i
 
Panasonic GX850 4.2 in 2.6 in 1.3 in 9.5 oz 210 n Jan 2017 549 i
 
Panasonic GF7 4.2 in 2.6 in 1.3 in 9.4 oz 230 n Jan 2015 499i
 
Sony HX99 4.0 in 2.3 in 1.4 in 8.5 oz 370 n Aug 2018 449 i
 
Sony HX95 4.0 in 2.3 in 1.4 in 8.5 oz 370 n Aug 2018 429 i
 
Sony RX100 V 4.0 in 2.3 in 1.6 in 10.5 oz 220 n Oct 2016 999 i
 
Sony RX100 4.0 in 2.3 in 1.4 in 8.5 oz 330 n Jun 2012 649i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. 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.

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Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants 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. 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 tend 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 YI M1 a Four Thirds sensor. The sensor area in the M1 is 94 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 2.0. The sensor in the G9X Mark II has a native 3:2 aspect ratio, while the one in the M1 offers a 4:3 aspect.

Canon G9 X Mark II and YI M1 sensor measures

With 20.2MP, the M1 offers a higher resolution than the G9X Mark II (20MP), but the M1 nevertheless has larger individual pixels (pixel pitch of 3.34μm versus 2.41μm for the G9X Mark II) due to its larger sensor. However, the G9X Mark II is a somewhat more recent model (by 3 months) than the M1, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The Canon PowerShot G9 X Mark II has a native sensitivity range from ISO 125 to ISO 12800. The corresponding ISO settings for the YI M1 are ISO 100 to ISO 25600 (no boost).

G9X Mark II versus M1 MP

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"). 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
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Canon G9 X Mark II 1-inch 20.0 5472 36481080/60p21.912.552265
 
YI M1 Four Thirds 20.2 5184 38884K/30p........
 
Canon SX70 1/2.3 20.2 5184 38884K/30p........
 
Canon M100 APS-C 24.0 6000 40001080/60p23.512.9127278
 
Canon SL2 APS-C 24.0 6000 40001080/60p23.613.4104179
 
Canon SX730 1/2.3 20.2 5184 38881080/60p........
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p........
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
 
Fujifilm X-A3 APS-C 24.0 6000 40001080/60p........
 
Nikon 1 J5 1-inch 20.7 5568 37124K/15p21.112.047965
 
Panasonic GX850 Four Thirds 15.8 4592 34484K/30p23.213.358673
 
Panasonic GF7 Four Thirds 15.8 4592 34481080/60p........
 
Sony HX99 1/2.3 18.0 4896 36724K/30p........
 
Sony HX95 1/2.3 18.0 4896 36724K/30p........
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
 
Sony RX100 1-inch 20.0 5472 36481080/60p22.612.439066

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, but the M1 provides a better video resolution than the G9X Mark II. It can shoot movie footage at 4K/30p, while the Canon is limited to 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The G9X Mark II and the M1 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 table below summarizes some of the other core capabilities of the Canon G9 X Mark II and YI M1 in connection with corresponding information for a sample of similar cameras.

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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
 
Canon G9 X Mark IInone n 3.0 1040 fixed Y 1/2000s 8.2 Y Y
 
YI M1none n 3.0 1040 fixed Y 1/4000s 5.0 n n
 
Canon SX702360 n 3.0 922 swivel n 1/2000s 10.0 Y Y
 
Canon M100none n 3.0 1040 tilting Y 1/4000s 6.1 Y n
 
Canon SL2optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon SX730none n 3.0 922 tilting n 1/3200s 5.9 Y Y
 
Canon G7 X Mark IInone n 3.0 1040 tilting Y 1/2000s 8.0 Y Y
 
Canon G9 Xnone n 3.0 1040 fixed Y 1/2000s 6.0 Y Y
 
Canon G7 Xnone n 3.0 1040 tilting Y 1/2000s 6.5 Y Y
 
Fujifilm X-A3none n 3.0 1040 tilting Y 1/4000s 6.0 Y n
 
Nikon 1 J5none n 3.0 1037 tilting Y 1/4000s 60.0 Y n
 
Panasonic GX850none n 3.0 1040 tilting Y 1/500s 10.0 Y n
 
Panasonic GF7none n 3.0 1040 tilting Y 1/500s 5.8 Y n
 
Sony HX99638 n 3.0 922 tilting Y 1/2000s 10.0 Y Y
 
Sony HX95638 n 3.0 922 tilting n 1/2000s 10.0 Y Y
 
Sony RX100 V2359 n 3.0 1229 tilting n 1/2000s 24.0 Y Y
 
Sony RX100none n 3.0 1229 fixed n 1/2000s 10.0 Y Y

One difference between the cameras concerns the presence of an on-board flash. The G9X Mark II has one, while the M1 does not. While the built-in flash of the G9X Mark II is not very powerful, it can at times be useful as a fill-in light.

The Canon G9 X Mark II and the YI M1 both have 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 G9X Mark II and the M1 write their files to SDXC cards. The G9X Mark II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the M1 cannot take advantage of Ultra High Speed SD cards.

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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 PowerShot G9 X Mark II and YI M1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Canon G9 X Mark II-stereomono--micro2.0YYY
 
YI M1Ystereomono--micro2.0Y-Y
 
Canon SX70-stereomonoY-micro2.0Y-Y
 
Canon M100-stereomono--micro2.0YYY
 
Canon SL2YstereomonoY-mini2.0YYY
 
Canon SX730-stereomono--micro2.0YYY
 
Canon G7 X Mark II-stereomono--micro2.0YY-
 
Canon G9 X-stereomono--micro2.0YY-
 
Canon G7 X-stereomono--micro2.0YY-
 
Fujifilm X-A3Ystereomono--micro2.0Y--
 
Nikon 1 J5-stereomono--micro2.0YY-
 
Panasonic GX850-stereomono--micro2.0Y--
 
Panasonic GF7-stereomono--micro2.0YY-
 
Sony HX99-stereomono--micro2.0YYY
 
Sony HX95-stereomono--micro2.0YYY
 
Sony RX100 V-stereomono--micro2.0YY-
 
Sony RX100-stereomono--micro2.0---

It is notable that the M1 has a hotshoe, which makes it possible to easily attach optional accessories, such as an external flash gun. The G9X Mark II does not feature such an accessory-socket.

Both the G9X Mark II and the M1 are recent models that are part of the current product line-up. The G9X Mark II replaced the earlier Canon G9 X, while the M1 does not have a direct predecessor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and YI websites.

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Review summary

So how do things add up? Is the Canon G9 X Mark II better than the YI M1 or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of 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: Has a lens built-in, whereas the M1 requires a separate lens.
  • More compact: Is smaller (98x58mm vs 114x64mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the M1).
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Is somewhat more recent (announced 3 months after the M1).

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Reasons to prefer the YI M1:

  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (450 versus 235) 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 September 2016).

If the count of individual advantages (bullet points above) is taken as a guide, the M1 comes out slightly ahead of the G9X Mark II (10 : 9 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. 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.

G9X Mark II 09:10 M1

How about other alternatives? Do the specifications of the Canon G9 X Mark II and the YI M1 place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Mirrorless Interchangeable Lens Camera listings 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 says little about, for example, the shooting experience and imaging performance of the G9X Mark II and the M1 in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why expert reviews are important. 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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Canon G9 X Mark II..75/1004.5/54.5/54.5/5 Jan 2017 529 i
 
YI M1..69/100..2.5/5.. Sep 2016 349 i
 
Canon SX70+ +..3.5/5..3.5/5 Sep 2018 549 i
 
Canon M100+..4/5..3.5/5 Aug 2017 499i
 
Canon SL2+ +78/1004.5/54.5/54.5/5 Jun 2017 549i
 
Canon SX730+..4/5..4/5 Apr 2017 399i
 
Canon G7 X Mark II+ +81/1004.5/54/54.5/5 Feb 2016 699i
 
Canon G9 X+ +..4.5/54/54.5/5 Oct 2015 529i
 
Canon G7 X+ +77/1004.5/53.5/54.5/5 Sep 2014 699i
 
Fujifilm X-A3..74/1004.5/5..4/5 Aug 2016 399i
 
Nikon 1 J5....4.5/54/54.5/5 Apr 2015 399i
 
Panasonic GX850+76/1004.5/54/54.5/5 Jan 2017 549 i
 
Panasonic GF7+..4.5/54.5/54.5/5 Jan 2015 499i
 
Sony HX99....4/5..4.5/5 Aug 2018 449 i
 
Sony HX95.......... Aug 2018 429 i
 
Sony RX100 V+ +83/1004/55/54.5/5 Oct 2016 999 i
 
Sony RX100+ +78/1004/55/55/5 Jun 2012 649i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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 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.

Canon G9 X Mark II:
Check Amazon price
YI M1:
Check Amazon price

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 G9 X Mark II vs YI M1

    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 G9 X Mark II YI M1
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 28-84mm f/2.0-4.9 Micro Four Thirds lenses
    Launch Date January 2017 September 2016
    Launch Price USD 529 USD 349
    Sensor Specs Canon G9 X Mark II YI M1
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1" Sensor Four Thirds Sensor
    Sensor Size 13.2 x 8.8 mm 17.3 x 13.0 mm
    Sensor Area 116.16 mm2 224.9 mm2
    Sensor Diagonal 15.9 mm 21.6 mm
    Crop Factor 2.7x 2.0x
    Sensor Resolution 20 Megapixels 20.2 Megapixels
    Image Resolution 5472 x 3648 pixels 5184 x 3888 pixels
    Pixel Pitch 2.41 μm 3.34 μm
    Pixel Density 17.18 MP/cm2 8.96 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 4K/30p Video
    ISO Setting 125 - 12,800 ISO 100 - 25,600 ISO
    DXO Sensor Quality (score) 65 ..
    DXO Color Depth (bits) 21.9 ..
    DXO Dynamic Range (EV) 12.5 ..
    DXO Low Light (ISO) 522 ..
    Screen Specs Canon G9 X Mark II YI M1
    Viewfinder Type no viewfinder no viewfinder
    Viewfinder Magnification
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon G9 X Mark II YI M1
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/4000s
    Continuous Shooting 8.2 shutter flaps/s 5 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash Build-in Flash no On-Board 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 G9 X Mark II YI M1
    External Flash no Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Canon G9 X Mark II YI M1
    Battery Type NB-13L BXM-10
    Battery Life (CIPA)235 shots per charge450 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 98 x 58 x 31 mm
    (3.9 x 2.3 x 1.2 in)
    114 x 64 x 34 mm
    (4.5 x 2.5 x 1.3 in)
    Camera Weight 206 g (7.3 oz) 281 g (9.9 oz)

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