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Canon G1 X Mark III vs G5X

The Canon PowerShot G1 X Mark III and the Canon PowerShot G5 X are two digital cameras that were revealed to the public, respectively, in October 2017 and October 2015. Both the G1X Mark III and the G5X are fixed lens compact cameras that are based on an APS-C (G1X Mark III) and an one-inch (G5X) sensor. The G1X Mark III has a resolution of 24 megapixels, whereas the G5X provides 20 MP. Read on to find out how these two cameras compare with respect to their body size, their sensors, their features, their input-output connections, and their reception by expert reviewers.

Headline Specifications
Canon G1 X Mark III   Canon G5 X
Canon G1 X Mark III Canon G5 X
Fixed lens compact camera Fixed lens compact camera
24-72mm f/2.8-5.6 24-100mm f/1.8-2.8
24 MP, APS-C Sensor 20 MP, 1" Sensor
1080/60p Video 1080/60p Video
ISO 100-25600 ISO 125-12800 (125-25600)
Electronic viewfinder (2360k dots) Electronic viewfinder (2360k dots)
3.0" LCD, 1040k dots 3.0" LCD, 1040k dots
Swivel touchscreen Swivel touchscreen
9 shutter flaps per second 5.9 shutter flaps per second
Weathersealed bodyNot weather sealed
200 shots per battery charge210 shots per battery charge
115 x 78 x 51 mm, 399 g 112 x 76 x 44 mm, 353 g

Body comparison: Canon G1 X Mark III vs G5X

The side-by-side display below illustrates the physical size and weight of the Canon G1 X Mark III and the Canon G5 X. 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.

Compare Canon G1 X Mark III and Canon G5 X
Compare G1X Mark III versus G5X top
Compare G1X Mark III or G5X rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon G5 X is notably smaller (5 percent) than the Canon G1 X Mark III. Moreover, the G5X is markedly lighter (12 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 G5X does not feature any corresponding weather-sealing.

The power pack in the G5X can be charged via the USB port, which can be very convenient when travelling.

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» 115 mm 78 mm 51 mm 399 g 200 Y Oct 2017 1,299 i i Canon G1 X Mark III
Canon G5 X« 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799 i i Canon G5 X
Canon 2000D« » 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 449 i i Canon 2000D
Canon M50« » 116 mm 88 mm 59 mm 390 g 235 n Feb 2018 779 i i Canon M50
Canon 6D Mark II« » 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 i i Canon 6D Mark II
Canon 200D« » 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549 i i Canon 200D
Canon G9 X Mark II« » 98 mm 58 mm 31 mm 206 g 235 n Jan 2017 529 i i Canon G9 X Mark II
Canon 80D« » 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199 i i Canon 80D
Canon G7 X Mark II« » 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699 i i Canon G7 X Mark II
Canon M5« » 116 mm 89 mm 61 mm 427 g 295 n Sep 2016 979 i i Canon M5
Canon M3« » 111 mm 68 mm 44 mm 366 g 250 n Feb 2015 679- i Canon M3
Canon G7 X« » 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699- i Canon G7 X
Fujifilm X100F« » 127 mm 75 mm 52 mm 469 g 390 n Jan 2017 1,299 i i Fujifilm X100F
Nikon D7500« » 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 1,299 i i Nikon D7500
Panasonic FT7« » 117 mm 76 mm 37 mm 319 g 300 Y May 2018 449 i i Panasonic FT7
Sony RX10 III« » 133 mm 94 mm 127 mm 1051 g 420 Y Mar 2016 1,499 i i Sony RX10 III
Sony RX100 III« » 102 mm 58 mm 41 mm 290 g 320 n May 2014 799- i Sony RX100 III

Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G5X was launched at a markedly lower price (by 38 percent) than the G1X Mark III, 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: Canon G1 X Mark III vs G5X

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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 more expensive and 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 Canon G5 X an one-inch sensor. The sensor area in the G5X 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.

In terms of chip-set technology, the G1X Mark III uses a more advanced image processing engine (DIGIC 7) than the G5X (DIGIC 6), with benefits for noise reduction, color accuracy, and processing speed.

Canon G1 X Mark III and Canon G5 X sensor measures

With 24MP, the G1X Mark III offers a higher resolution than the G5X (20MP), but the G1X Mark III nevertheless has larger individual pixels (pixel pitch of 3.72μm versus 2.41μm for the G5X) due to its larger sensor. Moreover, the G1X Mark III is a somewhat more recent model (by 2 years) than the G5X, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

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

The Canon PowerShot G1 X Mark III has a native sensitivity range from ISO 100 to ISO 25600 The corresponding ISO settings for the Canon PowerShot G5 X are ISO 125 to ISO 12800, with the possibility to increase the ISO range to 125-25600..

G1X Mark III versus G5X 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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
Canon G5 X« 1-inch 20.0 5472 36481080/60p----Canon G5 X
Canon 2000D« » APS-C 24.0 6000 40001080/30p22.611.9100971Canon 2000D
Canon M50« » APS-C 24.0 6000 40004K/24p----Canon M50
Canon 6D Mark II« » Full Frame 26.0 6240 41601080/60p24.411.9286285Canon 6D Mark II
Canon 200D« » APS-C 24.0 6000 40001080/60p23.613.4104179Canon 200D
Canon G9 X Mark II« » 1-inch 20.0 5472 36481080/60p21.912.552265Canon G9 X Mark II
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579Canon 80D
Canon G7 X Mark II« » 1-inch 20.0 5472 36481080/60p----Canon G7 X Mark II
Canon M5« » APS-C 24.0 6000 40001080/60p23.412.4126277Canon M5
Canon M3« » APS-C 24.0 6000 40001080/30p22.811.8116972Canon M3
Canon G7 X« » 1-inch 20.0 5472 36481080/60p23.012.755671Canon G7 X
Fujifilm X100F« » APS-C 24.0 6000 40001080/60p----Fujifilm X100F
Nikon D7500« » APS-C 20.7 5568 37124K/30p24.314.0148386Nikon D7500
Panasonic FT7« » 1/2.3 20.2 5184 38884K/30p----Panasonic FT7
Sony RX10 III« » 1-inch 20.0 5472 36484K/30p23.112.647270Sony RX10 III
Sony RX100 III« » 1-inch 20.0 5472 36481080/60p22.412.349567Sony RX100 III

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (1080/60p).

 

Feature comparison: Canon G1 X Mark III vs G5X

Apart from body and sensor, cameras can and do differ across a variety of features. The G1X Mark III and the G5X are similar in the sense that both feature an electronic viewfinder, which is helpful when framing images in bright sunlight. Moreover, their viewfinders offer an identical resolution of 2360k dots. The table below summarizes some of the other core capabilities of the Canon G1 X Mark III and Canon G5 X in connection with corresponding information for a sample of similar cameras.

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)
Built-in
Flash
(yes/no)
Built-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
Canon G5 X«2360 n 3.0 1040 swivel Y 2000 5.9 Y Y Canon G5 X
Canon 2000D« »optical n 3.0 920 fixed n 4000 3.0 Y n Canon 2000D
Canon M50« »2360 n 3.0 1040 swivel Y 4000 10.0 Y n Canon M50
Canon 6D Mark II« »optical Y 3.0 1040 swivel Y 4000 6.5 n n Canon 6D Mark II
Canon 200D« »optical n 3.0 1040 swivel Y 4000 5.0 Y n Canon 200D
Canon G9 X Mark II« »- n 3.0 1040 fixed Y 2000 8.2 Y Y Canon G9 X Mark II
Canon 80D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n Canon 80D
Canon G7 X Mark II« »- n 3.0 1040 tilting Y 2000 8.0 Y Y Canon G7 X Mark II
Canon M5« »2360 n 3.2 1620 tilting Y 4000 9.0 Y n Canon M5
Canon M3« »- n 3.0 1040 tilting Y 4000 4.2 Y n Canon M3
Canon G7 X« »- n 3.0 1040 tilting Y 2000 6.5 Y Y Canon G7 X
Fujifilm X100F« »2360 n 3.0 1040 fixed n 4000 8.0 Y n Fujifilm X100F
Nikon D7500« »optical Y 3.2 922 tilting Y 8000 8.0 Y n Nikon D7500
Panasonic FT7« »1170 n 3.0 1040 fixed n 1300 10.0 Y Y Panasonic FT7
Sony RX10 III« »2359 Y 3.0 1229 tilting n 2000 14.0 Y Y Sony RX10 III
Sony RX100 III« »1440 n 3.0 1229 tilting n 2000 10.0 Y Y Sony RX100 III
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.

Both the G1X Mark III and the G5X have zoom lenses built in. The G1X Mark III has a 24-72mm f/2.8-5.6 optic and the G5X offers a 24-100mm f/1.8-2.8 (focal lengths in full frame equivalent terms). Hence, the G1X Mark III and G5X provide the same view at the wide-angle end, but the G5X has more tele-photo reach at the long end. The G5X offers the faster maximum aperture.

Concerning the storage of imaging data, both the G1X Mark III and the G5X write their files to SDXC cards.

 

Connectivity comparison: Canon G1 X Mark III vs G5X

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 Canon PowerShot G5 X and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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
Canon G5 X«Ystereomono--mini2.0YY-Canon G5 X
Canon 2000D« »Ymonomono--mini2.0YY-Canon 2000D
Canon M50« »YstereomonoY-micro2.0YYYCanon M50
Canon 6D Mark II« »YstereomonoY-mini2.0YYYCanon 6D Mark II
Canon 200D« »YstereomonoY-mini2.0YYYCanon 200D
Canon G9 X Mark II« »-stereomono--micro2.0YYYCanon G9 X Mark II
Canon 80D« »YstereomonoYYmini2.0YY-Canon 80D
Canon G7 X Mark II« »-stereomono--micro2.0YY-Canon G7 X Mark II
Canon M5« »YstereomonoY-mini2.0YYYCanon M5
Canon M3« »YstereomonoY-mini2.0YY-Canon M3
Canon G7 X« »-stereomono--micro2.0YY-Canon G7 X
Fujifilm X100F« »YstereomonoY-micro2.0Y--Fujifilm X100F
Nikon D7500« »YstereomonoYYmini2.0Y-YNikon D7500
Panasonic FT7« »-stereomono--micro2.0Y--Panasonic FT7
Sony RX10 III« »YstereomonoYYmicro2.0YY-Sony RX10 III
Sony RX100 III« »-stereomono--micro2.0YY-Sony RX100 III

Both the G1X Mark III and the G5X are recent models that feature in their makers' current product line-up. The G1X Mark III replaced the earlier Canon G1 X Mark II, while the G5X does not have a direct predecessor.


Review summary: Canon G1 X Mark III vs G5X

So what conclusions can be drawn? Is the Canon G1 X Mark III better than the Canon G5 X or vice versa? A synthesis of the relative strong points of each of the models is listed below.


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.
  • Richer colors: Larger sensor generates images with better, more accurate colors.
  • More dynamic range: Capable of capturing a wider spectrum of light and dark details.
  • Better low-light sensitivity: Can be used in poorly lit environments and still produce good images.
  • Better jpgs: Has a more modern image processing engine (DIGIC 7 vs DIGIC 6).
  • Better video autofocus: Features on-sensor phase-detection for more confident movie autofocus.
  • Faster burst: Shoots at higher frequency (9 vs 5.9 flaps/sec) to capture the decisive moment.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Reflects 2 years of technical progress since the G5X launch.


Advantages of the Canon PowerShot G5 X:

  • Better light gathering: Has a lens with a wider maximum aperture (f/1.8 vs f/2.8).
  • More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
  • Less heavy: Has a lower weight (by 46g or 12 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More affordable: Was introduced into a lower priced category (38 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in October 2015).

If the count of relative strengths (bullet points above) is taken as a measure, the G1X Mark III is the clear winner of the match-up (11 : 5 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera.

G1X Mark III 11:05 G5X

In any case, while the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the G1X Mark III and the G5X in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews: Canon G1 X Mark III vs G5X

This is why hands-on reviews by experts are important. The following table reports the overall rankings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). You can find the full text of the reviews 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
Canon G5 X«HiRec78/1004.5/54/54.5/5 Oct 2015 799 i i Canon G5 X
Canon 2000D« »rev-3.5/5-3.5/5 Feb 2018 449 i i Canon 2000D
Canon M50« »Rec79/100--3.5/5 Feb 2018 779 i i Canon M50
Canon 6D Mark II« »Rec80/1004.5/54/54/5 Jun 2017 1,999 i i Canon 6D Mark II
Canon 200D« »HiRec78/1004.5/54.5/54.5/5 Jun 2017 549 i i Canon 200D
Canon G9 X Mark II« »-75/1004.5/54.5/54.5/5 Jan 2017 529 i i Canon G9 X Mark II
Canon 80D« »HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i Canon 80D
Canon G7 X Mark II« »HiRec81/1004.5/54/54.5/5 Feb 2016 699 i i Canon G7 X Mark II
Canon M5« »Rec82/1004/54.5/54/5 Sep 2016 979 i i Canon M5
Canon M3« »rev75/1004.5/54.5/54/5 Feb 2015 679- i Canon M3
Canon G7 X« »HiRec77/1004.5/53.5/54.5/5 Sep 2014 699- i Canon G7 X
Fujifilm X100F« »Rec83/1004.5/5-4.5/5 Jan 2017 1,299 i i Fujifilm X100F
Nikon D7500« »HiRec86/1005/54.5/54.5/5 Apr 2017 1,299 i i Nikon D7500
Panasonic FT7« »Rec-3.5/5-3.5/5 May 2018 449 i i Panasonic FT7
Sony RX10 III« »Rec84/1004.5/54.5/54.5/5 Mar 2016 1,499 i i Sony RX10 III
Sony RX100 III« »HiRec82/1004.5/54.5/55/5 May 2014 799- i Sony RX100 III

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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:
Check Amazon price
Canon G5 X:
Check Amazon price

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.

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    Specifications: Canon G1 X Mark III vs Canon G5 X

    Camera Specifications
    Camera Model Canon G1 X Mark III Canon G5 X
    Camera Type Fixed lens compact camera Fixed lens compact camera
    Camera Lens 24-72mm f/2.8-5.6 24-100mm f/1.8-2.8
    Launch Date October 2017 October 2015
    Launch Price USD 1299 USD 799
    Sensor Specs
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor 1" Sensor
    Sensor Size 22.3 x 14.9 mm 13.2 x 14.9 mm
    Sensor Area 332.27 mm2 116.16 mm2
    Sensor Diagonal 26.8 mm 15.9 mm
    Crop Factor 1.5x 2.7x
    Sensor Resolution 24 Megapixels 20 Megapixels
    Image Resolution 6000 x 4000 pixels 5472 x 3648 pixels
    Pixel Pitch 3.72 μm 2.41 μm
    Pixel Density 7.22 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 100-25600 ISO 125-12800 ISO
    ISO Boost no Enhancement 125-25600 ISO
    Image Processor DIGIC 7 DIGIC 6
    Screen Specs
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification ..x ..x
    Viewfinder Resolution 2360k dots 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs
    Autofocus System On-Sensor Phase-detect On-Sensor Phase-detect
    Maximum Shutter Speed 1/2000s 1/2000s
    Continuous Shooting 9 shutter flaps/s 5.9 shutter flaps/s
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type NB-13L power pack NB-13L power pack
    Battery Life (CIPA)200 shots per charge210 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 115 x 78 x 51 mm
    (4.5 x 3.1 x 2.0 in)
    112 x 76 x 44 mm
    (4.4 x 3.0 x 1.7 in)
    Camera Weight 399 g (14.1 oz) 353 g (12.5 oz)

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