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Canon G1 X Mark III Comparison Review

The Canon PowerShot G1 X Mark III is a fixed lens compact camera that was officially introduced in October 2017 and is equipped with an APS-C sensor. It offers a resolution of 24 megapixel.

Body comparison with a credit card

The side-by-side display below illustrates the physical size of the Canon G1 X Mark III vis-à-vis a credit card. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

Canon G1 X Mark III vs credit card front
G1X Mark III versus credit card top view
G1X Mark III and credit card rear side

The table below summarizes the key physical specs of the Canon G1 X Mark III alongside a set of comparators. If you want to review a camera pair side-by-side, just select a right-side 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 comparisons there.

Camera Body Specifications
Camera Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(y/n)
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Canon G1 X Mark III 115 mm 78 mm 51 mm 399 g 200 YES 2017 1,299 latest check
Canon G9 X Mark II (⇒ lft | rgt) 98 mm 58 mm 31 mm 206 g 235 no 2017 529 latest check
Canon 6D Mark II (⇒ lft | rgt) 144 mm 111 mm 75 mm 765 g 1200 YES 2017 1,999 latest check
Canon 80D (⇒ lft | rgt) 139 mm 105 mm 79 mm 730 g 960 YES 2016 1,199 latest check
Canon 1D X Mark II (⇒ lft | rgt) 158 mm 168 mm 83 mm 1530 g 1210 YES 2016 5,999 latest check
Canon G7 X Mark II (⇒ lft | rgt) 106 mm 61 mm 42 mm 319 g 265 no 2016 699 latest check
Fujifilm X100F (⇒ lft | rgt) 127 mm 75 mm 52 mm 469 g 390 no 2017 1,299 latest check
Nikon D7500 (⇒ lft | rgt) 136 mm 104 mm 73 mm 720 g 950 YES 2017 1,299 latest check
Sony RX10 IV (⇒ lft | rgt) 133 mm 94 mm 145 mm 1095 g 400 YES 2017 1,699 latest check
Sony RX10 III (⇒ lft | rgt) 133 mm 94 mm 127 mm 1051 g 420 YES 2016 1,499discont. check
Sony RX10 II (⇒ lft | rgt) 129 mm 88 mm 102 mm 813 g 400 YES 2015 1,299discont. check

The listed prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The Canon G1 X Mark III was launched in the US market at a price of $1,299. 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 with a 35mm slide

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 tent to lead to bigger and heavier cameras and lenses.

The Canon G1 X Mark III features an APS-C sensor and has a format factor (sometimes also referred to as "crop factor") of 1.5. Within the spectrum of camera sensors, this places the Canon G1 X Mark III among the medium-sized sensor cameras that aim to strike a balance between image quality and portability.

Canon G1 X Mark III sensor measures
Sensor size

For most 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 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
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon G1 X Mark III APS-C 24.0 6000 4000 1080/60p .. .. .. ..
Canon G9 X Mark II (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p 21.9 12.5 522 65
Canon 6D Mark II (⇒ lft | rgt) Full Frame 26.0 6240 4160 1080/60p 24.4 11.9 2862 85
Canon 80D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 23.6 13.2 1135 79
Canon 1D X Mark II (⇒ lft | rgt) Full Frame 20.0 5472 3648 4K/60p 24.1 13.5 3207 88
Canon G7 X Mark II (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p - - - -
Fujifilm X100F (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p - - - -
Nikon D7500 (⇒ lft | rgt) APS-C 20.7 5568 3712 4K/30p 24.3 14.0 1483 86
Sony RX10 IV (⇒ lft | rgt) 1-inch 20.0 5472 3648 4K/30p .. .. .. ..
Sony RX10 III (⇒ lft | rgt) 1-inch 20.0 5472 3648 4K/30p 23.1 12.6 472 70
Sony RX10 II (⇒ lft | rgt) 1-inch 20.0 5472 3648 4K/30p 23.0 12.6 531 70

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The following table reports on some other key feature differences and similarities of the Canon G1 X Mark III and comparable cameras. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

Core Features
Camera Viewfinder
(Type or
'000 dots)
Control
Panel
(Y/n)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(Y/n)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(GN)
Build-in
Image
Stab
Canon G1 X Mark III 2360 no 3.0 1040 swivel YES 2000 9.0 9 YES
Canon G9 X Mark II (⇒ lft | rgt) no no 3.0 1040 fixed YES 2000 8.2 6 YES
Canon 6D Mark II (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 4000 6.5 no no
Canon 80D (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 8000 7.0 12 no
Canon 1D X Mark II (⇒ lft | rgt) optical YES 3.2 1620 fixed YES 8000 16.0 no no
Canon G7 X Mark II (⇒ lft | rgt) no no 3.0 1040 tilting YES 2000 8.0 7 YES
Fujifilm X100F (⇒ lft | rgt) 2360 no 3.0 1040 fixed no 4000 8.0 4.6 no
Nikon D7500 (⇒ lft | rgt) optical YES 3.2 922 tilting YES 8000 8.0 12 no
Sony RX10 IV (⇒ lft | rgt) 2359 YES 3.0 1440 tilting YES 2000 24.0 10.8 YES
Sony RX10 III (⇒ lft | rgt) 2359 YES 3.0 1229 tilting no 2000 14.0 10.8 YES
Sony RX10 II (⇒ lft | rgt) 2359 YES 3.0 1229 tilting no 3200 14.0 10.2 YES

Expert reviews

While the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the G1X Mark III handle or 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. This is why expert reviews are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites. You can find the full text of the reviews, respectively, at cameralabs.com, dpreview.com, ephotozine.com, imaging-resource.com, and photographyblog.com.

Review scores
Camera camera
labs
.com
dp
review
.com
ephoto
zine
.com
imaging
resource
.com
photography
blog
.com
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Canon G1 X Mark III Rec 79/100 4.5/5 .. 4.5/5 2017 1,299 latest check
Canon G9 X Mark II (⇒ lft | rgt) .. 75/100 4.5/5 4.5/5 4.5/5 2017 529 latest check
Canon 6D Mark II (⇒ lft | rgt) Rec 80/100 4.5/5 4/5 4/5 2017 1,999 latest check
Canon 80D (⇒ lft | rgt) HiRec 84/100 Silver 4.5/5 4.5/5 4.5/5 2016 1,199 latest check
Canon 1D X Mark II (⇒ lft | rgt) - 89/100 Gold 4.5/5 5/5 4.5/5 2016 5,999 latest check
Canon G7 X Mark II (⇒ lft | rgt) HiRec 81/100 Silver 4.5/5 4/5 4.5/5 2016 699 latest check
Fujifilm X100F (⇒ lft | rgt) Rec 83/100 Gold 4.5/5 .. 4.5/5 2017 1,299 latest check
Nikon D7500 (⇒ lft | rgt) HiRec 86/100 Silver 5/5 4.5/5 4.5/5 2017 1,299 latest check
Sony RX10 IV (⇒ lft | rgt) Rec 84/100 Gold 4.5/5 .. 5/5 2017 1,699 latest check
Sony RX10 III (⇒ lft | rgt) Rec 84/100 Silver 4.5/5 4.5/5 4.5/5 2016 1,499discont. check
Sony RX10 II (⇒ lft | rgt) HiRec 82/100 Gold 4.5/5 4.5/5 4/5 2015 1,299discont. check

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.


Canon G1 X Mark III FAQ

Below are some additional questions and answers concerning some particular features of the G1X Mark III.

What is the technology behind the imaging sensor in the G1X Mark III?

The camera has a CMOS (Complementary Metal–Oxide–Semiconductor) sensor at its core.

Which image processing chip is used to convert the raw signal into an image file and perform noise reduction and image sharpening?

Canon equipped the G1X Mark III with the DIGIT 7 image processor.

What is the ISO sensitivity range of the G1X Mark III?

The camera has a native sensitivity range from ISO 100 to ISO 25600.

Does the camera have a selfie-friendly screen?

Yes, the LCD-screen of the G1X Mark III is flexible and can be turned to be front-facing for capturing selfies.

Does the Canon G1 X Mark III feature an autofocus assist light?

Yes, the camera has a lamp build-in that can illuminate the subject and improve autofocus in low-light settings.

Which battery does the G1X Mark III use?

The camera gets its power from the NB-13L, which is a rechargeable Lithium-Ion power pack.

Camera to camera comparisons

If you would like to see a side-by-side review of this and another camera, just make a corresponding selection in the search boxes below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If you cannot find the camera you are interested in, kindly get in touch, and I will try to add information on that model to the database.

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