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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.

Is the Canon G1 X Mark III a good camera? The G1X Mark III has a Camera Elo of 2592. This rating puts the G1X Mark III among the top 10 percent of all travel zoom compact cameras. In terms of its sensor size category (APS cameras), the G1X Mark III ranks among the top 20 percent. Based on its within category standings, the camera earns a 5-star performance rating.

Headline Specifications
Canon G1 X Mark III
Fixed lens compact camera
24-72mm f/2.8-5.6
24 MP, APS-C Sensor
1080/60p Video
ISO 100 - 25 600
Electronic viewfinder (2360k dots)
3.0 LCD, 1040k dots
Swivel touchscreen
9 shutter flaps per second
Weathersealed body
200 shots per battery charge
115 x 78 x 51 mm, 399 g



Read on to find out more about the camera's size, sensor, features, reception by expert reviewers, and how it compares to other digital cameras.

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.

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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 G1 X Mark III 4.5 in 3.1 in 2.0 in 14.1 oz 200 Y Oct 2017 1,299 i
 
Canon 6D Mark II 5.7 in 4.4 in 3.0 in 27.0 oz 1200 Y Jun 2017 1,999 i
 
Canon 80D 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199i
 
Canon SX540 4.7 in 3.2 in 3.6 in 15.6 oz 205 n Jan 2016 399 i
 
Fujifilm X100V 5.0 in 3.0 in 2.1 in 16.9 oz 420 Y Feb 2020 1,399 i
 
Fujifilm X-T3 5.2 in 3.7 in 2.3 in 19.0 oz 390 Y Sep 2018 1,499 i
 
Fujifilm X100F 5.0 in 3.0 in 2.0 in 16.5 oz 390 n Jan 2017 1,299i
 
Nikon D7500 5.4 in 4.1 in 2.9 in 25.4 oz 950 Y Apr 2017 1,299 i
 
Sony A6300 4.7 in 2.6 in 1.9 in 14.3 oz 400 Y Feb 2016 999i
 
Sony A6500 4.7 in 2.6 in 2.1 in 16.0 oz 350 Y Oct 2016 1,399i
 
Sony RX10 III 5.2 in 3.7 in 5.0 in 37.1 oz 420 Y Mar 2016 1,499 i
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 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.

Canon G1 X Mark III:
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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

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.

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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 G1 X Mark III APS-C 24.0 6000 40001080/60p........
 
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 SX540 1/2.3 20.2 5184 38881080/60p........
 
Fujifilm X100V APS-C 26.0 6240 41604K/30p........
 
Fujifilm X-T3 APS-C 26.0 6240 41604K/60p........
 
Fujifilm X100F APS-C 24.0 6000 40001080/60p........
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.0148386
 
Sony A6300 APS-C 24.0 6000 40004K/30p24.413.7143785
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585
 
Sony RX10 III 1-inch 20.0 5472 36484K/30p23.112.647270

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The G1X Mark III indeed provides movie recording capabilities. The highest resolution format that the G1X Mark III can use is 1080/60p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The following tables report on some other key feature differences and similarities of the Canon G1 X Mark 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 G1 X Mark III2360 n 3.0 1040 swivel Y 1/2000s 9.0 Y Y
 
Canon 6D Mark IIoptical Y 3.0 1040 swivel Y 1/4000s 6.5 n n
 
Canon 80Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
 
Canon SX540none n 3.0 461 fixed n 1/2000s 5.9 Y Y
 
Fujifilm X100V3690 n 3.0 1620 tilting Y 1/4000s 11.0 Y n
 
Fujifilm X-T33690 n 3.0 1040 tilting Y 1/8000s 11.0 n n
 
Fujifilm X100F2360 n 3.0 1040 fixed n 1/4000s 8.0 Y n
 
Nikon D7500optical Y 3.2 922 tilting Y 1/8000s 8.0 Y n
 
Sony A63002359 n 3.0 922 tilting n 1/4000s 11.0 Y n
 
Sony A65002359 n 3.0 922 tilting Y 1/4000s 11.0 Y Y
 
Sony RX10 III2359 Y 3.0 1229 tilting n 1/2000s 14.0 Y Y

One convenient feature of the G1X Mark III is the presence of an on-board flash. While this built-in flash is not very powerful, it can at times be useful as a fill-in light to brighten deep shadow areas.

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Connection 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 G1 X Mark 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 G1 X Mark IIIYstereomono--micro2.0YYY
 
Canon 6D Mark IIYstereomonoY-mini2.0YYY
 
Canon 80DYstereomonoYYmini2.0YY-
 
Canon SX540-stereomono--mini2.0YY-
 
Fujifilm X100VYstereomonoY-micro3.1Y-Y
 
Fujifilm X-T3YstereomonoYYmicro3.1Y-Y
 
Fujifilm X100FYstereomonoY-micro2.0Y--
 
Nikon D7500YstereomonoYYmini2.0Y-Y
 
Sony A6300YstereomonoY-micro2.0YY-
 
Sony A6500YstereomonoY-micro2.0YY-
 
Sony RX10 IIIYstereomonoYYmicro2.0YY-

It is notable that the G1X Mark III offers wifi support. Wifi can be a very convenient means to transfer image data to an off-camera location.

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The G1X Mark III has a zoom lens built in (15-45.0mm f/2.8-5.6), which, in full frame equivalent terms, provides a focal length range from 24 to 72mm. The camera is, hence, ready to shoot, while remaining more compact in size than an interchangeable lens camera with an optic that offers similar focal length and aperture specifications.

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 (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog).

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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 G1 X Mark III+79/1004.5/5..4.5/5 Oct 2017 1,299 i
 
Canon 6D Mark II+80/1004.5/54/54/5 Jun 2017 1,999 i
 
Canon 80D+ +84/1004.5/54.5/54.5/5 Feb 2016 1,199i
 
Canon SX540.......... Jan 2016 399 i
 
Fujifilm X100V+ +86/1005/5..4.5/5 Feb 2020 1,399 i
 
Fujifilm X-T3+ +88/1005/55/55/5 Sep 2018 1,499 i
 
Fujifilm X100F+83/1004.5/5..4.5/5 Jan 2017 1,299i
 
Nikon D7500+ +86/1005/54.5/54.5/5 Apr 2017 1,299 i
 
Sony A6300+85/1005/55/55/5 Feb 2016 999i
 
Sony A6500+ +85/1004.5/55/54.5/5 Oct 2016 1,399i
 
Sony RX10 III+84/1004.5/54.5/54.5/5 Mar 2016 1,499 i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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 DIGIC 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.

Do I need to purchase an external camera trigger to shoot time-lapse sequences?

No, the Canon PowerShot G1 X Mark III has an intervalometer built-in, so that low frequency shooting (for example, flower blooming, sunset, moon rise) can be undertaken without the need to purchase a separate external intervalometer and related software.

Is it difficult to use manual focus lenses with the Canon G1 X Mark III?

The G1X Mark III offers focus peaking as a manual focus aid. This feature works by placing a colored highlight on in-focus zones within the image.

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

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

Does the Canon G1 X Mark III support the Ultra High Speed (UHS) bus interface for SD cards?

Yes, the camera can indeed use UHS-I cards (data transfer speed of up to 104 MB/s).

Which battery does the G1X Mark III use?

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

Where can I find the best deals for the G1X Mark III?

Grey imports from Asia, as found on eBay, are often very attractively priced. However, these cameras come without a warranty from Canon.

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.

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    Specifications Summary
    Camera Model Canon G1 X Mark III
    Camera Type Fixed lens compact camera
    Camera Lens 24-72mm f/2.8-5.6
    Launch Date October 2017
    Launch Price USD 1 299
    Sensor Specs
    Sensor Technology CMOS
    Sensor Format APS-C Sensor
    Sensor Size 22.3 x 14.9 mm
    Sensor Area 332 mm2
    Sensor Diagonal 26.8 mm
    Crop Factor 1.5x
    Sensor Resolution 24 Megapixels
    Image Resolution 6 000 x 4 000 pixels
    Pixel Pitch 3.72 μm
    Pixel Density 7.22 MP/cm2
    Moiré control Anti-Alias filter
    Movie Capability 1080/60p Video
    ISO Setting 100 - 25 600 ISO
    Image Processor DIGIC 7
    Screen Specs
    Viewfinder Type Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Resolution 2360k dots
    LCD Framing Live View
    LCD Size 1040k dots
    LCD Attachment Swivel screen
    Touch Input Touchscreen
    Shooting Specs
    Focus System On-Sensor Phase-detect
    Manual Focusing AidFocus Peaking
    Maximum Shutter Speed 1/2000s
    Continuous Shooting 9 shutter flaps/s
    Silent Shootingno E-Shutter
    Time Lapse PhotographyIntervalometer Built-in
    Fill Flash Build-in Flash
    Storage Medium SDXC cards
    Second Storage Option Single card slot
    UHS card support UHS-I
    Connectivity Specs
    External Flash Hotshoe
    USB Connector USB 2.0
    HDMI Port micro HDMI
    Wifi Support Wifi built-in
    Near-Field Communication NFC built-in
    Bluetooth Support Bluetooth built-in
    Body Specs
    Environmental SealingWeathersealed body
    Battery Type NB-13L power pack
    Battery Life (CIPA)200 shots per charge
    Body Dimensions 115 x 78 x 51 mm
    (4.5 x 3.1 x 2.0 in)
    Camera Weight 399 g (14.1 oz)

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