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Canon G1 X Mark III versus Sony RX100 IV

The Canon PowerShot G1 X Mark III and the Sony Cyber-shot DSC-RX100 IV are two digital cameras that were officially introduced, respectively, in October 2017 and June 2015. Both the G1X Mark III and the RX100 IV are fixed lens compact cameras that are based on an APS-C (G1X Mark III) and an one-inch (RX100 IV) sensor. The Canon has a resolution of 24 megapixel, whereas the Sony provides 20 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Canon G1 X Mark III vs Sony RX100 IV

An illustration of the physical size and weight of the Canon G1 X Mark III and the Sony RX100 IV is provided in the side-by-side display below. Three successive views from the front, the top, and the rear are shown. All size 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 side – the G1X Mark III – represents the basis for the calculations across all the size and weight measures).

Snapsort Canon G1 X Mark III vs Sony RX100 IV
Compare G1X Mark III versus RX100 IV top
Compare G1X Mark III and 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 considerably smaller (34 percent) than the Canon G1 X Mark III. Moreover, the RX100 IV is markedly lighter (25 percent) than the G1X Mark III. It is worth mentioning in this context that the G1X Mark III is splash and dust resistant, while the RX100 IV does not feature any corresponding weather-sealing.

Concerning battery life, the G1X Mark III gets 200 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 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.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Canon G1 X Mark III» 4.5 in 3.1 in 2.0 in 14.1 oz 200 Y Oct 2017 1,299 i i
Sony RX100 IV« 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999- i
Canon G9 X Mark II« » 3.9 in 2.3 in 1.2 in 7.3 oz 235 n Jan 2017 529 i i
Canon 6D Mark II« » 5.7 in 4.4 in 3.0 in 27.0 oz 1200 Y Jun 2017 1,999 i i
Canon 80D« » 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199 i i
Canon 1D X Mark II« » 6.2 in 6.6 in 3.3 in 54.0 oz 1210 Y Feb 2016 5,999 i i
Canon G7 X Mark II« » 4.2 in 2.4 in 1.7 in 11.3 oz 265 n Feb 2016 699 i i
Canon G7 X« » 4.1 in 2.4 in 1.6 in 10.7 oz 210 n Sep 2014 699- i
Fujifilm X100F« » 5.0 in 3.0 in 2.0 in 16.5 oz 390 n Jan 2017 1,299 i i
Nikon D7500« » 5.4 in 4.1 in 2.9 in 25.4 oz 950 Y Apr 2017 1,299 i i
Panasonic FZ2500« » 5.4 in 4.0 in 5.3 in 32.3 oz 350 n Sep 2016 1,199 i i
Panasonic FZ1000« » 5.4 in 3.9 in 5.2 in 29.3 oz 360 n Jun 2014 899- i
Sony RX10 IV« » 5.2 in 3.7 in 5.7 in 38.6 oz 400 Y Sep 2017 1,699 i i
Sony RX10 III« » 5.2 in 3.7 in 5.0 in 37.1 oz 420 Y Mar 2016 1,499- i
Sony RX100 V« » 4.0 in 2.3 in 1.6 in 10.5 oz 220 n Oct 2016 999 i i
Sony A6000« » 4.7 in 2.6 in 1.8 in 12.1 oz 360 n Feb 2014 599- i
Sony RX100 II« » 4.0 in 2.3 in 1.5 in 9.9 oz 350 n Jun 2013 749- i

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 RX100 IV was launched at a somewhat lower price (by 23 percent) than the G1X Mark 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Canon G1 X Mark III vs Sony RX100 IV

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon G1 X Mark III features an APS-C sensor and the Sony RX100 IV an one-inch sensor. The sensor area in the RX100 IV is 65 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon G1 X Mark III and Sony RX100 IV sensor measures

With 24MP, the G1X Mark III offers a higher resolution than the RX100 IV (20MP), but the G1X Mark III nevertheless has larger individual pixels (pixel pitch of 3.72μm versus 2.41μm for the RX100 IV) due to its larger sensor. Moreover, the G1X Mark III is a somewhat more recent model (by 2 years and 4 months) than the RX100 IV, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

G1X Mark III versus RX100 IV MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon G1 X Mark III» APS-C 24.0 6000 40001080/60p----
Sony RX100 IV« 1-inch 20.0 5472 36484K/30p22.812.659170
Canon G9 X Mark II« » 1-inch 20.0 5472 36481080/60p21.912.552265
Canon 6D Mark II« » Full Frame 26.0 6240 41601080/60p24.411.9286285
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579
Canon 1D X Mark II« » Full Frame 20.0 5472 36484K/60p24.113.5320788
Canon G7 X Mark II« » 1-inch 20.0 5472 36481080/60p----
Canon G7 X« » 1-inch 20.0 5472 36481080/60p23.012.755671
Fujifilm X100F« » APS-C 24.0 6000 40001080/60p----
Nikon D7500« » APS-C 20.7 5568 37124K/30p24.314.0148386
Panasonic FZ2500« » 1-inch 20.0 5472 36484K/30p----
Panasonic FZ1000« » 1-inch 20.0 5472 36484K/30p22.111.751764
Sony RX10 IV« » 1-inch 20.0 5472 36484K/30p----
Sony RX10 III« » 1-inch 20.0 5472 36484K/30p23.112.647270
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 II« » 1-inch 20.0 5472 36481080/60p22.512.448367

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 RX100 IV provides a better video resolution than the G1X Mark III. It can shoot movie footage at 4K/30p, while the Canon is limited to 1080/60p.

 

Feature comparison: Canon G1 X Mark III vs Sony RX100 IV

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the G1X Mark III offers a slightly higher resolution than the one in the RX100 IV (2360k vs 2359k dots). The table below summarizes some of the other core capabilities of the Canon G1 X Mark III and Sony RX100 IV in connection with corresponding information for a sample of similar 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
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Canon G1 X Mark III»2360 n 3.0 1040 swivel Y 2000 9.0 Y Y
Sony RX100 IV«2359 n 3.0 1228 tilting n 2000 16.0 Y Y
Canon G9 X Mark II« »- n 3.0 1040 fixed Y 2000 8.2 Y Y
Canon 6D Mark II« »optical Y 3.0 1040 swivel Y 4000 6.5 n n
Canon 80D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n
Canon 1D X Mark II« »optical Y 3.2 1620 fixed Y 8000 16.0 n n
Canon G7 X Mark II« »- n 3.0 1040 tilting Y 2000 8.0 Y Y
Canon G7 X« »- n 3.0 1040 tilting Y 2000 6.5 Y Y
Fujifilm X100F« »2360 n 3.0 1040 fixed n 4000 8.0 Y n
Nikon D7500« »optical Y 3.2 922 tilting Y 8000 8.0 Y n
Panasonic FZ2500« »2360 n 3.0 1040 swivel Y 4000 12.0 Y Y
Panasonic FZ1000« »2359 n 3.0 921 swivel n 4000 12.0 Y Y
Sony RX10 IV« »2359 Y 3.0 1440 tilting Y 2000 24.0 Y Y
Sony RX10 III« »2359 Y 3.0 1229 tilting n 2000 14.0 Y Y
Sony RX100 V« »2359 n 3.0 1229 tilting n 2000 24.0 Y Y
Sony A6000« »1440 n 3.0 922 tilting n 4000 11.0 Y n
Sony RX100 II« »- n 3.0 1229 tilting n 2000 10.0 Y Y

Both the G1X Mark III and the RX100 IV have zoom lenses build in. The G1X Mark III has a 24-72mm f/2.8-5.6 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. The RX100 IV offers the faster maximum aperture.

The G1X Mark III is a current model that online retailers, such as amazon, will have in stock. In contrast, the RX100 IV has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the RX100 IV was succeeded by the Sony RX100 IV.

Review summary: Canon G1 X Mark III vs Sony RX100 IV

So what conclusions can be drawn? Which of the two cameras – the Canon G1 X Mark III or the Sony RX100 IV – has the upper hand? 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 G1 X Mark III:

  • More detail: Offers more megapixels (24 vs 20MP) with a 10% higher linear resolution.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • More modern: Reflects 2 years and 4 months of technical progress since the RX100 IV launch.

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Advantages of the Sony Cyber-shot DSC-RX100 IV:

  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • More detailed LCD: Has a higher resolution rear screen (1228k vs 1040k dots).
  • Faster burst: Shoots at higher frequency (16 vs 9 flaps/sec) to capture the decisive moment.
  • Better light gathering: Has a lens with a wider maximum aperture (f/1.8 vs f/2.8).
  • More compact: Is smaller (102x58mm vs 115x78mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 101g or 25 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (280 versus 200) out of a single battery charge.
  • More affordable: Was released into a lower priced segment (23 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in June 2015).

If the count of relative strengths (bullet points above) is taken as a measure, the RX100 IV emerges as the winner of the match-up (9 : 7 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.

G1X Mark III 07:09 RX100 IV

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 G1X Mark III or the RX100 IV. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased. This is where reviews by experts come in. The table below summarizes the assessments of some of the best known camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The detailed reviews can be accessed by clicking on the site logo in the table header.

Review scores
  Camera cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Canon G1 X Mark III»Rec79/1004.5/5-4.5/5 Oct 2017 1,299 i i
Sony RX100 IV«HiRec85/1004/54.5/54.5/5 Jun 2015 999- i
Canon G9 X Mark II« »-75/1004.5/54.5/54.5/5 Jan 2017 529 i i
Canon 6D Mark II« »Rec80/1004.5/54/54/5 Jun 2017 1,999 i i
Canon 80D« »HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i
Canon 1D X Mark II« »-89/1004.5/55/54.5/5 Feb 2016 5,999 i i
Canon G7 X Mark II« »HiRec81/1004.5/54/54.5/5 Feb 2016 699 i i
Canon G7 X« »HiRec77/1004.5/53.5/54.5/5 Sep 2014 699- i
Fujifilm X100F« »Rec83/1004.5/5-4.5/5 Jan 2017 1,299 i i
Nikon D7500« »HiRec86/1005/54.5/54.5/5 Apr 2017 1,299 i i
Panasonic FZ2500« »Rec82/1004.5/54.5/55/5 Sep 2016 1,199 i i
Panasonic FZ1000« »HiRec82/1004.5/54.5/54.5/5 Jun 2014 899- i
Sony RX10 IV« »Rec84/1004.5/5-5/5 Sep 2017 1,699 i i
Sony RX10 III« »Rec84/1004.5/54.5/54.5/5 Mar 2016 1,499- i
Sony RX100 V« »HiRec83/1004/55/54.5/5 Oct 2016 999 i i
Sony A6000« »Rec80/1004.5/55/55/5 Feb 2014 599- i
Sony RX100 II« »HiRec79/1004.5/55/54.5/5 Jun 2013 749- i

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

 

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If the camera you are interested in is not available, kindly get in touch, and I will try to add information on that model to the database.

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