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Canon G9 X Mark II vs Sony RX100

The Canon PowerShot G9 X Mark II and the Sony Cyber-shot DSC-RX100 are two digital cameras that were revealed to the public, respectively, in January 2017 and June 2012. Both the G9X Mark II and the RX100 are fixed lens compact cameras that are equipped with an one-inch sensor. Both cameras offer a resolution of 20 megapixels.

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 Sony RX100
Canon G9 X Mark II Sony RX100
Fixed lens compact camera Fixed lens compact camera
28-84mm f/2.0-4.9 28-100mm f/1.8-4.9
20 MP, 1" Sensor 20 MP, 1" Sensor
1080/60p Video 1080/60p Video
ISO 125-12,800 ISO 100-6,400 (100 - 25,600)
No viewfinder, LCD framing No viewfinder, LCD framing
3.0 LCD, 1040k dots 3.0 LCD, 1229k dots
Fixed touchscreen Fixed screen (not touch-sensitive)
8.2 shutter flaps per second 10 shutter flaps per second
235 shots per battery charge330 shots per battery charge
98 x 58 x 31 mm, 206 g 102 x 58 x 36 mm, 240 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G9 X Mark II and the Sony Cyber-shot DSC-RX100? 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 Sony RX100 is provided in the side-by-side display below. 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 dimensions are rounded to the nearest millimeter.

The G9X Mark II can be obtained in two different colors (black, silver), while the RX100 is only available in black.

Size Canon G9 X Mark II vs Sony RX100
Compare G9X Mark II versus RX100 top
Comparison G9X Mark II or RX100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX100 is somewhat larger (4 percent) than the Canon G9 X Mark II. Moreover, the RX100 is markedly heavier (17 percent) than the G9X Mark II. In this context, it is worth noting that neither the G9X Mark II nor the RX100 are weather-sealed.

Concerning battery life, the G9X Mark II gets 235 shots out of its NB-13L battery, while the RX100 can take 330 images on a single charge of its NP-BX1 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

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, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Canon G9 X Mark II 98 mm 58 mm 31 mm 206 g 235 n Jan 2017 529 i
 
Sony RX100 102 mm 58 mm 36 mm 240 g 330 n Jun 2012 649i
 
Canon 2000D 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 449 i
 
Canon SX70 127 mm 91 mm 117 mm 608 g 325 n Sep 2018 549 i
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 899 i
 
Canon 200D 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549i
 
Canon M100 108 mm 67 mm 35 mm 302 g 295 n Aug 2017 499i
 
Canon SX620 97 mm 57 mm 28 mm 182 g 295 n May 2016 279 i
 
Canon G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529i
 
Canon S120 100 mm 59 mm 29 mm 217 g 230 n Aug 2013 449i
 
Sony HX99 102 mm 58 mm 36 mm 242 g 370 n Aug 2018 449 i
 
Sony HX95 102 mm 58 mm 36 mm 242 g 370 n Aug 2018 429 i
 
Sony A5100 110 mm 63 mm 36 mm 283 g 400 n Aug 2014 549 i
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 799i
 
Sony RX100 II 102 mm 58 mm 38 mm 281 g 350 n Jun 2013 749i
 
Sony NEX-5R 111 mm 59 mm 39 mm 276 g 330 n Aug 2012 749i
 
Sony NEX-5N 111 mm 59 mm 38 mm 269 g 460 n Aug 2011 699i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

The price is, of course, an important factor in any camera decision. 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 G9X Mark II was launched at a somewhat lower price (by 18 percent) than the RX100, 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 imaging sensor is a crucial determinant 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. 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 tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an one-inch sensor and have a format factor (sometimes also referred to as "crop factor") of 2.7. 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 G9 X Mark II and Sony RX100 sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 20 megapixels. This similarity in sensor specs implies that both the G9X Mark II and the RX100 have the same pixel density, as well as the same pixel size. It should, however, be noted that the G9X Mark II is much more recent (by 4 years and 7 months) than the RX100, and its sensor will have benefitted from technological advances during this time.

The Canon PowerShot G9 X Mark II has a native sensitivity range from ISO 125 to ISO 12800. The corresponding ISO settings for the Sony Cyber-shot DSC-RX100 are ISO 100 to ISO 6400, with the possibility to increase the ISO range to 100-25600.

G9X Mark II versus RX100 MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-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
 
Sony RX100 1-inch 20.0 5472 36481080/60p22.612.439066
 
Canon 2000D APS-C 24.0 6000 40001080/30p22.611.9100971
 
Canon SX70 1/2.3 20.2 5184 38884K/30p........
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
 
Canon 200D APS-C 24.0 6000 40001080/60p23.613.4104179
 
Canon M100 APS-C 24.0 6000 40001080/60p23.512.9127278
 
Canon SX620 1/2.3 20.2 5184 38881080/30p........
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
 
Canon S120 1/1.7 12.0 4000 30001080/60p21.311.924656
 
Sony HX99 1/2.3 18.0 4896 36724K/30p........
 
Sony HX95 1/2.3 18.0 4896 36724K/30p........
 
Sony A5100 APS-C 24.0 6000 40001080/60p23.812.7134780
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977

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, 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. The G9X Mark II and the RX100 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 G9 X Mark II, the Sony RX100, and comparable 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
 
Sony RX100none n 3.0 1229 fixed n 1/2000s 10.0 Y Y
 
Canon 2000Doptical n 3.0 920 fixed n 1/4000s 3.0 Y n
 
Canon SX702360 n 3.0 922 swivel n 1/2000s 10.0 Y Y
 
Canon 77Doptical Y 3.0 1040 swivel Y 1/4000s 6.0 Y n
 
Canon 200Doptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon M100none n 3.0 1040 tilting Y 1/4000s 6.1 Y n
 
Canon SX620none n 3.0 922 fixed n 1/2000s 2.5 Y Y
 
Canon G9 Xnone n 3.0 1040 fixed Y 1/2000s 6.0 Y Y
 
Canon S120none n 3.0 922 fixed Y 1/2000s 12.1 Y Y
 
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 A5100none n 3.0 922 tilting Y 1/4000s 6.0 Y n
 
Sony RX100 III1440 n 3.0 1229 tilting n 1/2000s 10.0 Y Y
 
Sony RX100 IIoptional n 3.0 1229 tilting n 1/2000s 10.0 Y Y
 
Sony NEX-5Roptional n 3.0 920 tilting Y 1/4000s 10.0 n n
 
Sony NEX-5Noptional n 3.0 920 tilting Y 1/4000s 10.0 n n

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G9X Mark II has a touchscreen, while the RX100 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The Canon G9 X Mark II has 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.

Both the G9X Mark II and the RX100 have zoom lenses built in. The G9X Mark II has a 28-84mm f/2.0-4.9 optic and the RX100 offers a 28-100mm f/1.8-4.9 (focal lengths in full frame equivalent terms). Hence, the Canon and Sony provide the same view at the wide-angle end, but the Sony has more tele-photo reach at the long end. The RX100 offers the faster maximum aperture.

The G9X Mark II writes its imaging data to SDXC cards, while the RX100 uses SDXC or Memory Stick PRO Duo cards. The G9X Mark II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the RX100 cannot take advantage of Ultra High Speed SD cards.

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 Sony Cyber-shot DSC-RX100 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
 
Sony RX100-stereomono--micro2.0---
 
Canon 2000DYmonomono--mini2.0YY-
 
Canon SX70-stereomonoY-micro2.0Y-Y
 
Canon 77DYstereomonoY-mini2.0YYY
 
Canon 200DYstereomonoY-mini2.0YYY
 
Canon M100-stereomono--mini2.0YYY
 
Canon SX620-monomono--micro2.0YY-
 
Canon G9 X-stereomono--micro2.0YY-
 
Canon S120-stereomono--mini2.0Y--
 
Sony HX99-stereomono--micro2.0YYY
 
Sony HX95-stereomono--micro2.0YYY
 
Sony A5100-stereomono--micro2.0YY-
 
Sony RX100 III-stereomono--micro2.0YY-
 
Sony RX100 IIYstereomono--micro2.0YY-
 
Sony NEX-5RYstereomono--mini2.0Y--
 
Sony NEX-5NYstereomono--mini2.0---

It is notable that the G9X Mark II offers wifi support, while the RX100 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

The G9X Mark II is a recent model that features in the current product line-up of Canon. In contrast, the RX100 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the RX100 was succeeded by the Sony RX100 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Sony websites.

Review summary

So how do things add up? Is the Canon G9 X Mark II better than the Sony RX100 or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Canon PowerShot G9 X Mark II:

  • Better low-light sensitivity: Requires less light for good images (0.4 stops ISO advantage).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Less heavy: Is lighter (by 34g or 14 percent) and hence easier to carry around.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced segment (18 percent cheaper at launch).
  • More modern: Reflects 4 years and 7 months of technical progress since the RX100 launch.

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Arguments in favor of the Sony Cyber-shot DSC-RX100:

  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1040k dots).
  • Faster burst: Shoots at higher frequency (10 vs 8.2 flaps/sec) to capture the decisive moment.
  • Better light gathering: Has a lens with a wider maximum aperture (f/1.8 vs f/2.0).
  • More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
  • Longer lasting: Gets more shots (330 versus 235) out of a single battery charge.
  • More heavily discounted: Has been around for much longer (launched in June 2012).

If the count of relative strengths (bullet points above) is taken as a measure, the G9X Mark II is the clear winner of the match-up (10 : 6 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 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.

G9X Mark II 10:06 RX100

How about other alternatives? Do the specifications of the Canon G9 X Mark II and the Sony RX100 place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera listing 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 remains incomplete and does no justice, for example, to the way the G9X Mark II or the RX100 perform in practice. 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 hands-on reviews by experts 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
 
Sony RX100+ +78/1004/55/55/5 Jun 2012 649i
 
Canon 2000Do..3.5/5..3.5/5 Feb 2018 449 i
 
Canon SX70+ +..3.5/5..3.5/5 Sep 2018 549 i
 
Canon 77D..82/1004.5/54.5/54/5 Feb 2017 899 i
 
Canon 200D+ +78/1004.5/54.5/54.5/5 Jun 2017 549i
 
Canon M100+..4/5..3.5/5 Aug 2017 499i
 
Canon SX620........4/5 May 2016 279 i
 
Canon G9 X+ +..4.5/54/54.5/5 Oct 2015 529i
 
Canon S120+ +..4.5/5o4.5/5 Aug 2013 449i
 
Sony HX99....4/5..4.5/5 Aug 2018 449 i
 
Sony HX95.......... Aug 2018 429 i
 
Sony A5100+..4.5/54.5/55/5 Aug 2014 549 i
 
Sony RX100 III+ +82/1004.5/54.5/55/5 May 2014 799i
 
Sony RX100 II+ +79/1004.5/55/54.5/5 Jun 2013 749i
 
Sony NEX-5R....4.5/5..4.5/5 Aug 2012 749i
 
Sony NEX-5N+ +79/1004.5/55/54.5/5 Aug 2011 699i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Canon G9 X Mark II:
Check Amazon price
Sony RX100:
Check Ebay offers

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

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    Specifications: Canon G9 X Mark II vs Sony RX100

    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 Sony RX100
    Camera Type Fixed lens compact camera Fixed lens compact camera
    Camera Lens 28-84mm f/2.0-4.9 28-100mm f/1.8-4.9
    Launch Date January 2017 June 2012
    Launch Price USD 529 USD 649
    Sensor Specs Canon G9 X Mark II Sony RX100
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1" Sensor 1" Sensor
    Sensor Size 13.2 x 8.8 mm 13.2 x 8.8 mm
    Sensor Area 116.16 mm2 116.16 mm2
    Sensor Diagonal 15.9 mm 15.9 mm
    Crop Factor 2.7x 2.7x
    Sensor Resolution 20 Megapixels 20 Megapixels
    Image Resolution 5472 x 3648 pixels 5472 x 3648 pixels
    Pixel Pitch 2.41 μm 2.41 μm
    Pixel Density 17.18 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 125 - 12,800 ISO 100 - 6,400 ISO
    ISO Boost no Enhancement 100 - 25,600 ISO
    Image Processor DIGIC 7 BIONZ X
    DXO Sensor Quality (score) 65 66
    DXO Color Depth (bits) 21.9 22.6
    DXO Dynamic Range (EV) 12.5 12.4
    DXO Low Light (ISO) 522 390
    Screen Specs Canon G9 X Mark II Sony RX100
    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 1229k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon G9 X Mark II Sony RX100
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/2000s
    Continuous Shooting 8.2 shutter flaps/s 10 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I no
    Connectivity Specs Canon G9 X Mark II Sony RX100
    External Flash no Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Canon G9 X Mark II Sony RX100
    Battery Type NB-13L NP-BX1
    Battery Life (CIPA)235 shots per charge330 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)
    102 x 58 x 36 mm
    (4.0 x 2.3 x 1.4 in)
    Camera Weight 206 g (7.3 oz) 240 g (8.5 oz)

    Did you notice an error on this page? If so, please get in touch, so that we can correct the information.

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