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Canon G1 X Mark III versus Sony RX1R

The Canon PowerShot G1 X Mark III and the Sony Cyber-shot DSC-RX1R are two enthusiast cameras that were officially introduced, respectively, in October 2017 and June 2013. Both the G1X Mark III and the RX1R are fixed lens compact cameras that are based on an APS-C (G1X Mark III) and a full frame (RX1R) sensor. Both cameras offer a resolution of 24 megapixel. 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 RX1R

The side-by-side display below illustrates the physical size and weight of the Canon G1 X Mark III and the Sony RX1R. 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. If you prefer, you can also use the toggle button to switch to a comparison in percentage terms (in this case, the camera on the left – the G1X Mark III – represents the basis or 100 percent across all the size and weight measures).

Compare Canon G1 X Mark III vs Sony RX1R
Compare G1X Mark III versus RX1R top
Compare G1X Mark III and RX1R rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX1R is notably smaller (18 percent) than the Canon G1 X Mark III. However, the RX1R is markedly heavier (21 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 RX1R 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 RX1R can take 270 images on a single charge of its NP-BX1 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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.

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)
Camera
Model
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 Canon G1 X Mark III
Sony RX1R« 4.4 in 2.6 in 2.8 in 17.0 oz 270 n Jun 2013 2,799- i Sony RX1R
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 6D Mark II
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 G9 X Mark II
Canon M6« » 4.4 in 2.7 in 1.8 in 13.8 oz 295 n Feb 2017 779 i i Canon M6
Canon 80D« » 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199 i i Canon 80D
Fujifilm X-T3« » 5.2 in 3.7 in 2.3 in 19.0 oz 390 Y Sep 2018 1,499 i i Fujifilm X-T3
Fujifilm X100F« » 5.0 in 3.0 in 2.0 in 16.5 oz 390 n Jan 2017 1,299 i i Fujifilm X100F
Leica X Typ 113« » 5.2 in 2.9 in 3.1 in 17.1 oz 350 n Sep 2014 2,295 i i Leica X Typ 113
Nikon D7500« » 5.4 in 4.1 in 2.9 in 25.4 oz 950 Y Apr 2017 1,299 i i Nikon D7500
Sony A6300« » 4.7 in 2.6 in 1.9 in 14.3 oz 400 Y Feb 2016 999- i Sony A6300
Sony A6500« » 4.7 in 2.6 in 2.1 in 16.0 oz 350 Y Oct 2016 1,399 i i Sony A6500
Sony RX10 III« » 5.2 in 3.7 in 5.0 in 37.1 oz 420 Y Mar 2016 1,499 i i Sony RX10 III
Sony RX1R II« » 4.4 in 2.6 in 2.8 in 17.9 oz 220 n Oct 2015 3,299 i i Sony RX1R II
Sony A7R« » 5.0 in 3.7 in 1.9 in 16.4 oz 340 Y Oct 2013 2,299- i Sony A7R
Sony A3000« » 5.0 in 3.6 in 3.3 in 14.5 oz 470 n Aug 2013 329- i Sony A3000
Sony RX1« » 4.4 in 2.6 in 2.8 in 17.0 oz 270 n Sep 2012 2,799- i Sony RX1

The camera’s price is obviously a critical decision-making factor. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The G1X Mark III was launched at a markedly lower price (by 54 percent) than the RX1R, which puts it into a different market segment. 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. 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 RX1R

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. 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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon G1 X Mark III features an APS-C sensor and the Sony RX1R a full frame sensor. The sensor area in the RX1R is 158 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon G1 X Mark III and Sony RX1R sensor measures

Even though the RX1R has a larger sensor, both cameras offer the same resolution of 24 megapixel. This implies that the RX1R has a lower pixel density and larger individual pixels (with a pixel pitch of 5.97μm versus 3.72μm for the G1X Mark III), which gives it a potential advantage in terms of light gathering capacity. It should, however, be noted that the G1X Mark III is much more recent (by 4 years and 3 months) than the RX1R, and its sensor will have benefitted from technological advances during this time that at least partly compensate for the smaller pixel size. Coming back to sensor resolution, it should be mentioned that the RX1R has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The G1X Mark III has on-sensor phase detect pixels, which results in relatively fast and reliable autofocus acquisition during video recording.

G1X Mark III versus RX1R 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Canon G1 X Mark III» APS-C 24.0 6000 40001080/60p----Canon G1 X Mark III
Sony RX1R« Full Frame 24.0 6000 40001080/60p25.013.6253791Sony RX1R
Canon 6D Mark II« » Full Frame 26.0 6240 41601080/60p24.411.9286285Canon 6D Mark II
Canon G9 X Mark II« » 1-inch 20.0 5472 36481080/60p21.912.552265Canon G9 X Mark II
Canon M6« » APS-C 24.0 6000 40001080/60p----Canon M6
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579Canon 80D
Fujifilm X-T3« » APS-C 26.0 6240 41604K/60p----Fujifilm X-T3
Fujifilm X100F« » APS-C 24.0 6000 40001080/60p----Fujifilm X100F
Leica X Typ 113« » APS-C 16.1 4928 32641080/30p----Leica X Typ 113
Nikon D7500« » APS-C 20.7 5568 37124K/30p24.314.0148386Nikon D7500
Sony A6300« » APS-C 24.0 6000 40004K/30p24.413.7143785Sony A6300
Sony A6500« » APS-C 24.0 6000 40004K/30p24.513.7140585Sony A6500
Sony RX10 III« » 1-inch 20.0 5472 36484K/30p23.112.647270Sony RX10 III
Sony RX1R II« » Full Frame 42.2 7952 53041080/60p25.813.9320497Sony RX1R II
Sony A7R« » Full Frame 36.2 7360 49121080/60p25.614.1274695Sony A7R
Sony A3000« » APS-C 19.8 5456 36321080/60i23.712.8106878Sony A3000
Sony RX1« » Full Frame 24.0 6000 40001080/60p25.114.3253493Sony RX1

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (1080/60p).

 

Feature comparison: Canon G1 X Mark III vs Sony RX1R

Apart from body and sensor, cameras can and do differ across a range of features. For example, the G1X Mark III has an electronic viewfinder (2360k dots), which can be very helpful when shooting in bright sunlight. In contrast, the RX1R relies on live view and the rear LCD for framing. That said, the RX1R can be equipped with an optional viewfinder – the FDA-EV1MK. The adjacent table lists some of the other core features of the Canon G1 X Mark III and Sony RX1R along with similar information for a selection of comparators. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

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)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Canon G1 X Mark III»2360 n 3.0 1040 swivel Y 2000 9.0 Y Y Canon G1 X Mark III
Sony RX1R«- n 3.0 1229 fixed n 4000 5.0 Y n Sony RX1R
Canon 6D Mark II« »optical Y 3.0 1040 swivel Y 4000 6.5 n n Canon 6D Mark II
Canon G9 X Mark II« »- n 3.0 1040 fixed Y 2000 8.2 Y Y Canon G9 X Mark II
Canon M6« »- n 3.0 1040 tilting Y 4000 9.0 Y n Canon M6
Canon 80D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n Canon 80D
Fujifilm X-T3« »3690 n 3.2 1040 tilting Y 8000 11.0 n n Fujifilm X-T3
Fujifilm X100F« »2360 n 3.0 1040 fixed n 4000 8.0 Y n Fujifilm X100F
Leica X Typ 113« »- n 3.0 920 fixed n 2000 5.0 Y n Leica X Typ 113
Nikon D7500« »optical Y 3.2 922 tilting Y 8000 8.0 Y n Nikon D7500
Sony A6300« »2300 n 3.0 922 tilting n 4000 11.0 Y n Sony A6300
Sony A6500« »2300 n 3.0 922 tilting Y 4000 11.0 Y Y Sony A6500
Sony RX10 III« »2359 Y 3.0 1229 tilting n 2000 14.0 Y Y Sony RX10 III
Sony RX1R II« »2360 n 3.0 1229 tilting n 4000 5.0 n n Sony RX1R II
Sony A7R« »2400 n 3.0 1230 tilting n 8000 4.0 n n Sony A7R
Sony A3000« »202 n 3.0 230 fixed n 4000 2.5 Y n Sony A3000
Sony RX1« »- n 3.0 1229 fixed n 4000 5.0 Y n Sony RX1

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G1X Mark III has a touchscreen, while the RX1R has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The G1X Mark III is equipped with a zoom lens, while the RX1R comes with a build-in prime. The G1X Mark III has a 24-72mm f/2.8-5.6 optic and the RX1R offers a 35mm f/2.0 (focal lengths in full frame equivalent terms). Hence, the Canon provides a wider angle of view at the short end, as well as more tele-photo reach at the long end than the Sony. The RX1R offers the faster maximum aperture.

The G1X Mark III writes its imaging data to SDXC cards, while the RX1R uses SDXC or Memory Stick PRO Duo cards.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
Canon G1 X Mark III»Ystereomono--micro2.0YYYCanon G1 X Mark III
Sony RX1R«YstereomonoY-mini2.0---Sony RX1R
Canon 6D Mark II« »YstereomonoY-mini2.0YYYCanon 6D Mark II
Canon G9 X Mark II« »-stereomono--micro2.0YYYCanon G9 X Mark II
Canon M6« »YstereomonoY-mini2.0YYYCanon M6
Canon 80D« »YstereomonoYYmini2.0YY-Canon 80D
Fujifilm X-T3« »YstereomonoYYmicro3.1Y-YFujifilm X-T3
Fujifilm X100F« »YstereomonoY-micro2.0Y--Fujifilm X100F
Leica X Typ 113« »Ystereomono--mini2.0---Leica X Typ 113
Nikon D7500« »YstereomonoYYmini2.0Y-YNikon D7500
Sony A6300« »YstereomonoY-micro2.0YY-Sony A6300
Sony A6500« »YstereomonoY-micro2.0YY-Sony A6500
Sony RX10 III« »YstereomonoYYmicro2.0YY-Sony RX10 III
Sony RX1R II« »YstereomonoY-micro2.0YY-Sony RX1R II
Sony A7R« »YstereomonoYYmicro2.0YY-Sony A7R
Sony A3000« »Ystereomono--mini2.0---Sony A3000
Sony RX1« »YstereomonoY-mini2.0---Sony RX1

The G1X Mark III is a recent model that features in the current product line-up of Canon. In contrast, the RX1R has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the RX1R was succeeded by the Sony RX1R II.

Review summary: Canon G1 X Mark III vs Sony RX1R

So how do things add up? Which of the two cameras – the Canon G1 X Mark III or the Sony RX1R – has the upper hand? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Canon PowerShot G1 X Mark III:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video autofocus: Features on-sensor phase-detection for more confident movie autofocus.
  • Easier framing: Has an electronic viewfinder for image framing and settings control.
  • 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.
  • Faster burst: Shoots at higher frequency (9 vs 5 flaps/sec) to capture the decisive moment.
  • Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
  • Less heavy: Is lighter (by 83g or 17 percent) and hence easier to carry around.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Sharper images: Has hand-shake reducing image stabilization build-in.
  • Easier file upload: Has wifi build 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.
  • More affordable: Was introduced into a lower priced category (54 percent cheaper at launch).
  • More modern: Reflects 4 years and 3 months of technical progress since the RX1R launch.

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Advantages of the Sony Cyber-shot DSC-RX1R:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1040k dots).
  • Faster shutter: Has higher mechanical shutter speed (4000/sec vs 2000/sec) to freeze action.
  • Better light gathering: Has a lens with a wider maximum aperture (f/2.0 vs f/2.8).
  • More compact: Is smaller (113x65mm vs 115x78mm) and will fit more readily into a bag.
  • Longer lasting: Gets more shots (270 versus 200) out of a single battery charge.
  • More heavily discounted: Has been around for much longer (launched in June 2013).

If the number of relative strengths (bullet points above) is taken as a guide, the G1X Mark III is the clear winner of the match-up (15 : 8 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 15:08 RX1R

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the G1X Mark III or the RX1R. 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. This is why expert reviews are important. The adjacent table relays the overall verdicts of several of the most popular 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
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Canon G1 X Mark III»Rec79/1004.5/5-4.5/5 Oct 2017 1,299 i i Canon G1 X Mark III
Sony RX1R«--4/5rev4.5/5 Jun 2013 2,799- i Sony RX1R
Canon 6D Mark II« »Rec80/1004.5/54/54/5 Jun 2017 1,999 i i Canon 6D Mark II
Canon G9 X Mark II« »-75/1004.5/54.5/54.5/5 Jan 2017 529 i i Canon G9 X Mark II
Canon M6« »-80/1004/54.5/54/5 Feb 2017 779 i i Canon M6
Canon 80D« »HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i Canon 80D
Fujifilm X-T3« »HiRec88/1005/5-5/5 Sep 2018 1,499 i i Fujifilm X-T3
Fujifilm X100F« »Rec83/1004.5/5-4.5/5 Jan 2017 1,299 i i Fujifilm X100F
Leica X Typ 113« »--3.5/5-4/5 Sep 2014 2,295 i i Leica X Typ 113
Nikon D7500« »HiRec86/1005/54.5/54.5/5 Apr 2017 1,299 i i Nikon D7500
Sony A6300« »Rec85/1005/55/55/5 Feb 2016 999- i Sony A6300
Sony A6500« »HiRec85/1004.5/55/54.5/5 Oct 2016 1,399 i i Sony A6500
Sony RX10 III« »Rec84/1004.5/54.5/54.5/5 Mar 2016 1,499 i i Sony RX10 III
Sony RX1R II« »-82/100-rev4.5/5 Oct 2015 3,299 i i Sony RX1R II
Sony A7R« »HiRec82/1004.5/55/55/5 Oct 2013 2,299- i Sony A7R
Sony A3000« »Rec-4/54.5/54/5 Aug 2013 329- i Sony A3000
Sony RX1« »-79/1004/54.5/54.5/5 Sep 2012 2,799- i Sony RX1

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. 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, please note that some of the review sites have changed their methodology and reporting over time.

 

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If you do not see the camera that you are looking for, please send me an email, and I will try to add information on that model to the database.

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