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Canon G7 X Mark II vs Sony RX100 III

The Canon PowerShot G7 X Mark II and the Sony Cyber-shot DSC-RX100 III are two digital cameras that were revealed to the public, respectively, in February 2016 and May 2014. Both the G7X Mark II and the RX100 III 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 G7 X Mark II versus Sony RX100 III
Canon G7 X Mark II Sony RX100 III
Fixed lens compact camera Fixed lens compact camera
24-100mm f/1.8-2.8 24-70mm f/1.8-2.8
20 MP, 1" Sensor 20 MP, 1" Sensor
1080/60p Video 1080/60p Video
ISO 125-12,800 (125 - 25,600) ISO 100-12,800 (80 - 25,600)
No viewfinder, LCD framing Electronic viewfinder (1440k dots)
3.0 LCD, 1040k dots 3.0 LCD, 1229k dots
Tilting touchscreen Tilting screen (not touch-sensitive)
8 shutter flaps per second 10 shutter flaps per second
265 shots per battery charge320 shots per battery charge
106 x 61 x 42 mm, 319 g 102 x 58 x 41 mm, 290 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G7 X Mark II and the Sony Cyber-shot DSC-RX100 III? 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 G7 X Mark II and the Sony RX100 III is provided in the side-by-side display below. The two cameras are presented according to their relative size. 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.

Size Canon G7 X Mark II vs Sony RX100 III
Compare G7X Mark II versus RX100 III top
Comparison G7X Mark II or RX100 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX100 III is notably smaller (9 percent) than the Canon G7 X Mark II. Moreover, the RX100 III is markedly lighter (9 percent) than the G7X Mark II. In this context, it is worth noting that neither the G7X Mark II nor the RX100 III are weather-sealed.

Concerning battery life, the G7X Mark II gets 265 shots out of its NB-13L battery, while the RX100 III can take 320 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. 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.

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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 G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699i
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 799i
 
Canon G7 X Mark III 105 mm 61 mm 41 mm 304 g 235 n Jul 2019 749 i
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799i
 
Canon G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529i
 
Canon M3 111 mm 68 mm 44 mm 366 g 250 n Feb 2015 679i
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699i
 
Panasonic LX10 106 mm 60 mm 42 mm 310 g 260 n Sep 2016 699 i
 
Sony RX100 VII 102 mm 58 mm 43 mm 302 g 260 n Jul 2019 1,199 i
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999 i
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999i
 
Sony RX100 II 102 mm 58 mm 38 mm 281 g 350 n Jun 2013 749i
 
Sony RX100 102 mm 58 mm 36 mm 240 g 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.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

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 G7X Mark II was launched at a somewhat lower price (by 13 percent) than the RX100 III, 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.

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 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.

Technology-wise, both cameras are equipped with BSI-CMOS (Backside Illuminated Complementary Metal–Oxide–Semiconductor) sensors.

Canon G7 X Mark II and Sony RX100 III 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 G7X Mark II and the RX100 III have the same pixel density, as well as the same pixel size. It should, however, be noted that the G7X Mark II is a somewhat more recent model (by 1 year and 9 months) than the RX100 III, and its sensor might have benefitted from technological advances during this time.

The Canon PowerShot G7 X Mark II has a native sensitivity range from ISO 125 to ISO 12800, which can be extended to ISO 125-25600. The corresponding ISO settings for the Sony Cyber-shot DSC-RX100 III are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 80-25600.

G7X Mark II versus RX100 III MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 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 G7 X Mark II 1-inch 20.0 5472 36481080/60p........
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
 
Canon G7 X Mark III 1-inch 20.0 5472 36484K/30p........
 
Canon G5 X 1-inch 20.0 5472 36481080/60p........
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
 
Canon M3 APS-C 24.0 6000 40001080/30p22.811.8116972
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
 
Panasonic LX10 1-inch 20.0 5472 36484K/30p........
 
Sony RX100 VII 1-inch 20.0 5472 36484K/30p21.812.441863
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367
 
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 have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (1080/60p).

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the RX100 III has an electronic viewfinder (1440k dots), which can be very helpful when shooting in bright sunlight. In contrast, the G7X 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 G7 X Mark II, the Sony RX100 III, 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 G7 X Mark IInone n 3.0 1040 tilting Y 1/2000s 8.0 Y Y
 
Sony RX100 III1440 n 3.0 1229 tilting n 1/2000s 10.0 Y Y
 
Canon G7 X Mark IIInone n 3.0 1040 tilting Y 1/2000s 30 Y Y
 
Canon G5 X2360 n 3.0 1040 swivel Y 1/2000s 5.9 Y Y
 
Canon G9 Xnone n 3.0 1040 fixed Y 1/2000s 6.0 Y Y
 
Canon M3optional n 3.0 1040 tilting Y 1/4000s 4.2 Y n
 
Canon G7 Xnone n 3.0 1040 tilting Y 1/2000s 6.5 Y Y
 
Panasonic LX10none n 3.0 1040 tilting Y 1/4000s 10.0 Y Y
 
Sony RX100 VII2359 n 3.0 921 tilting Y 1/2000s 90.0 Y Y
 
Sony RX100 V2359 n 3.0 1229 tilting n 1/2000s 24.0 Y Y
 
Sony RX100 IV2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y
 
Sony RX100 IIoptional n 3.0 1229 tilting n 1/2000s 10.0 Y Y
 
Sony RX100none n 3.0 1229 fixed n 1/2000s 10.0 Y Y

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G7X Mark II has a touchscreen, while the RX100 III has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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.

The Canon G7 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 G7X Mark II and the RX100 III have zoom lenses built in. The G7X Mark II has a 24-100mm f/1.8-2.8 optic and the RX100 III offers a 24-70mm f/1.8-2.8 (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 less tele-photo reach at the long end. Both cameras offer the same maximum aperture.

The G7X Mark II writes its imaging data to SDXC cards, while the RX100 III uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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 G7 X Mark II and Sony Cyber-shot DSC-RX100 III 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 G7 X Mark II-stereomono--micro2.0YY-
 
Sony RX100 III-stereomono--micro2.0YY-
 
Canon G7 X Mark III-stereomonoY-micro3.1Y-Y
 
Canon G5 XYstereomono--mini2.0YY-
 
Canon G9 X-stereomono--micro2.0YY-
 
Canon M3YstereomonoY-mini2.0YY-
 
Canon G7 X-stereomono--micro2.0YY-
 
Panasonic LX10-stereomono--micro2.0Y--
 
Sony RX100 VII-stereomonoY-micro2.0YYY
 
Sony RX100 V-stereomono--micro2.0YY-
 
Sony RX100 IV-stereomono--micro2.0YY-
 
Sony RX100 IIYstereomono--micro2.0YY-
 
Sony RX100-stereomono--micro2.0---

Both the G7X Mark II and the RX100 III have been discontinued, but can regularly be found used on eBay. The RX100 III was replaced by the Sony RX100 IV, while the G7X Mark II was followed by the Canon G7 X Mark III. 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 G7 X Mark II better than the Sony RX100 III or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Canon PowerShot G7 X Mark II:

  • 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.
  • More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
  • More affordable: Was introduced into a lower priced segment (13 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 1 year and 9 months after the RX100 III).

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

  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1040k dots).
  • Faster burst: Shoots at higher frequency (10 vs 8 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (320 versus 265) out of a single battery charge.
  • More heavily discounted: Has been on the market for longer (launched in May 2014).

If the number of relative strengths (bullet points above) is taken as a guide, the match-up finishes in a tie (5 points each). 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 before making a decision 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.

G7X Mark II 05:05 RX100 III

How about other alternatives? Do the specifications of the Canon G7 X Mark II and the Sony RX100 III 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 comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the G7X Mark II or the RX100 III. 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 (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 G7 X Mark II+ +81/1004.5/54/54.5/5 Feb 2016 699i
 
Sony RX100 III+ +82/1004.5/54.5/55/5 May 2014 799i
 
Canon G7 X Mark III+ +81/1004/5.... Jul 2019 749 i
 
Canon G5 X+ +78/1004.5/54/54.5/5 Oct 2015 799i
 
Canon G9 X+ +..4.5/54/54.5/5 Oct 2015 529i
 
Canon M3o75/1004.5/54.5/54/5 Feb 2015 679i
 
Canon G7 X+ +77/1004.5/53.5/54.5/5 Sep 2014 699i
 
Panasonic LX10+ +81/1004/54.5/54.5/5 Sep 2016 699 i
 
Sony RX100 VII....4/5..5/5 Jul 2019 1,199 i
 
Sony RX100 V+ +83/1004/55/54.5/5 Oct 2016 999 i
 
Sony RX100 IV+ +85/1004/54.5/54.5/5 Jun 2015 999i
 
Sony RX100 II+ +79/1004.5/55/54.5/5 Jun 2013 749i
 
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 ratings are only valid when referring to cameras in the same category and of the same age. 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.

Canon G7 X Mark II:
Check Ebay offers
Sony RX100 III:
Check Ebay offers

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. 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 G7 X Mark II vs Sony RX100 III

    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 G7 X Mark II Sony RX100 III
    Camera Type Fixed lens compact camera Fixed lens compact camera
    Camera Lens 24-100mm f/1.8-2.8 24-70mm f/1.8-2.8
    Launch Date February 2016 May 2014
    Launch Price USD 699 USD 799
    Sensor Specs Canon G7 X Mark II Sony RX100 III
    Sensor Technology BSI-CMOS BSI-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 - 12,800 ISO
    ISO Boost 125 - 25,600 ISO 80 - 25,600 ISO
    Image Processor DIGIC 7 BIONZ X
    DXO Sensor Quality (score) .. 67
    DXO Color Depth (bits) .. 22.4
    DXO Dynamic Range (EV) .. 12.3
    DXO Low Light (ISO) .. 495
    Screen Specs Canon G7 X Mark II Sony RX100 III
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.22x
    Viewfinder Resolution 1440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1229k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon G7 X Mark II Sony RX100 III
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/2000s
    Continuous Shooting 8 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 UHS-I
    Connectivity Specs Canon G7 X Mark II Sony RX100 III
    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 Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Body Specs Canon G7 X Mark II Sony RX100 III
    Battery Type NB-13L NP-BX1
    Battery Life (CIPA)265 shots per charge320 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 106 x 61 x 42 mm
    (4.2 x 2.4 x 1.7 in)
    102 x 58 x 41 mm
    (4.0 x 2.3 x 1.6 in)
    Camera Weight 319 g (11.3 oz) 290 g (10.2 oz)

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