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Canon G7 X vs Sony RX100 IV

The Canon PowerShot G7 X and the Sony Cyber-shot DSC-RX100 IV are two digital cameras that were revealed to the public, respectively, in September 2014 and June 2015. Both the G7X and the RX100 IV 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 versus Sony RX100 IV
Canon G7 X Sony RX100 IV
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 4K/30p Video
ISO 125-12,800 ISO 125-12,800 (80 - 25,600)
No viewfinder, LCD framing Electronic viewfinder (2359k dots)
3.0 LCD, 1040k dots 3.0 LCD, 1228k dots
Tilting touchscreen Tilting screen (not touch-sensitive)
6.5 shutter flaps per second 16 shutter flaps per second
210 shots per battery charge280 shots per battery charge
103 x 60 x 40 mm, 304 g 102 x 58 x 41 mm, 298 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G7 X and the Sony Cyber-shot DSC-RX100 IV? 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

The side-by-side display below illustrates the physical size and weight of the Canon G7 X and the Sony RX100 IV. 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.

Size Canon G7 X vs Sony RX100 IV
Compare G7X versus RX100 IV top
Comparison G7X or RX100 IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX100 IV is somewhat smaller (4 percent) than the Canon G7 X. Moreover, the RX100 IV is slightly lighter (2 percent) than the G7X. In this context, it is worth noting that neither the G7X nor the RX100 IV are weather-sealed.

Concerning battery life, the G7X gets 210 shots out of its NB-13L battery, while the RX100 IV can take 280 images on a single charge of its NP-BX1 power pack. The power pack in the RX100 IV can be charged via the USB port, 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 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699i
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999i
 
Canon G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699i
 
Canon 750D 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749i
 
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 M10 108 mm 67 mm 35 mm 301 g 255 n Oct 2015 499i
 
Panasonic FZ1000 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 899i
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999 i
 
Sony A6000 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 599i
 
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
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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G7X was launched at a markedly lower price (by 30 percent) than the RX100 IV, which puts it into a different market segment. 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 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. 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 tend to be associated with larger, more expensive camera bodies 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 G7 X and Sony RX100 IV 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 and the RX100 IV have the same pixel density, as well as the same pixel size. It should, however, be noted that the RX100 IV is a somewhat more recent model (by 8 months) than the G7X, and its sensor might have benefitted from technological advances during this time.

The Canon PowerShot G7 X has a native sensitivity range from ISO 125 to ISO 12800. The corresponding ISO settings for the Sony Cyber-shot DSC-RX100 IV are ISO 125 to ISO 12800, with the possibility to increase the ISO range to 80-25600.

G7X versus RX100 IV MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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 1-inch 20.0 5472 36481080/60p23.012.755671
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p........
 
Canon 750D APS-C 24.0 6000 40001080/30p22.712.091971
 
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 M10 APS-C 17.9 5184 34561080/30p22.211.475365
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the RX100 IV provides a better video resolution than the G7X. It can shoot movie footage at 4K/30p, while the Canon is limited to 1080/60p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the RX100 IV has an electronic viewfinder (2359k dots), which can be very helpful when shooting in bright sunlight. In contrast, the G7X relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Canon G7 X and Sony RX100 IV 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 G7 Xnone n 3.0 1040 tilting Y 1/2000s 6.5 Y Y
 
Sony RX100 IV2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y
 
Canon G7 X Mark IInone n 3.0 1040 tilting Y 1/2000s 8.0 Y Y
 
Canon 750Doptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
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 M10none n 3.0 1040 tilting Y 1/4000s 4.6 Y n
 
Panasonic FZ10002359 n 3.0 921 swivel n 1/4000s 12.0 Y Y
 
Sony RX100 V2359 n 3.0 1229 tilting n 1/2000s 24.0 Y Y
 
Sony A60001440 n 3.0 922 tilting n 1/4000s 11.0 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

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G7X has a touchscreen, while the RX100 IV 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 reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the RX100 IV is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Canon G7 X 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 and the RX100 IV have zoom lenses built in. The G7X has a 24-100mm f/1.8-2.8 optic and the RX100 IV 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 writes its imaging data to SDXC cards, while the RX100 IV 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 and Sony Cyber-shot DSC-RX100 IV 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-stereomono--micro2.0YY-
 
Sony RX100 IV-stereomono--micro2.0YY-
 
Canon G7 X Mark II-stereomono--micro2.0YY-
 
Canon 750DYstereomonoY-mini2.0YY-
 
Canon G5 XYstereomono--mini2.0YY-
 
Canon G9 X-stereomono--micro2.0YY-
 
Canon M3YstereomonoY-mini2.0YY-
 
Canon M10-stereomono--mini2.0YY-
 
Panasonic FZ1000YstereomonoY-micro2.0YY-
 
Sony RX100 V-stereomono--micro2.0YY-
 
Sony A6000Ystereomono--micro2.0YY-
 
Sony RX100 III-stereomono--micro2.0YY-
 
Sony RX100 IIYstereomono--micro2.0YY-

Both the G7X and the RX100 IV have been discontinued, but can regularly be found used on eBay. The G7X was replaced by the Canon G7 X Mark II, while the RX100 IV was followed by the Sony RX100 IV. 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 what is the bottom line? Which of the two cameras – the Canon G7 X or the Sony RX100 IV – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Canon PowerShot G7 X:

  • 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 category (30 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in September 2014).

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Reasons to prefer the Sony Cyber-shot DSC-RX100 IV:

  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1228k vs 1040k dots).
  • Faster burst: Shoots at higher frequency (16 vs 6.5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Longer lasting: Gets more shots (280 versus 210) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More modern: Was introduced somewhat (8 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the RX100 IV emerges as the winner of the match-up (7 : 5 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

G7X 05:07 RX100 IV

How about other alternatives? Do the specifications of the Canon G7 X and the Sony RX100 IV 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 or the RX100 IV. 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.

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+ +77/1004.5/53.5/54.5/5 Sep 2014 699i
 
Sony RX100 IV+ +85/1004/54.5/54.5/5 Jun 2015 999i
 
Canon G7 X Mark II+ +81/1004.5/54/54.5/5 Feb 2016 699i
 
Canon 750D..75/1004.5/54.5/54.5/5 Feb 2015 749i
 
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 M10......o4/5 Oct 2015 499i
 
Panasonic FZ1000+ +82/1004.5/54.5/54.5/5 Jun 2014 899i
 
Sony RX100 V+ +83/1004/55/54.5/5 Oct 2016 999 i
 
Sony A6000+80/1004.5/55/55/5 Feb 2014 599i
 
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
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:
Check Ebay offers
Sony RX100 IV:
Check Ebay offers

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 a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

~

    Specifications: Canon G7 X vs Sony RX100 IV

    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 Sony RX100 IV
    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 September 2014 June 2015
    Launch Price USD 699 USD 999
    Sensor Specs Canon G7 X Sony RX100 IV
    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 4K/30p Video
    ISO Setting 125 - 12,800 ISO 125 - 12,800 ISO
    ISO Boost no Enhancement 80 - 25,600 ISO
    Image Processor DIGIC 6 BIONZ X
    DXO Sensor Quality (score) 71 70
    DXO Color Depth (bits) 23.0 22.8
    DXO Dynamic Range (EV) 12.7 12.6
    DXO Low Light (ISO) 556 591
    Screen Specs Canon G7 X Sony RX100 IV
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.22x
    Viewfinder Resolution 2359k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1228k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon G7 X Sony RX100 IV
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/2000s
    Continuous Shooting 6.5 shutter flaps/s 16 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    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 Sony RX100 IV
    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 Sony RX100 IV
    Battery Type NB-13L NP-BX1
    Battery Life (CIPA)210 shots per charge280 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 103 x 60 x 40 mm
    (4.1 x 2.4 x 1.6 in)
    102 x 58 x 41 mm
    (4.0 x 2.3 x 1.6 in)
    Camera Weight 304 g (10.7 oz) 298 g (10.5 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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