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Canon 5D Mark III vs G1X Mark II

The Canon EOS 5D Mark III and the Canon PowerShot G1 X Mark II are two digital cameras that were officially introduced, respectively, in March 2012 and February 2014. The 5D Mark III is a DSLR, while the G1X Mark II is a fixed lens compact. The cameras are based on a full frame (5D Mark III) and an 1.5-inch (G1X Mark II) sensor. The 5D Mark III has a resolution of 22.1 megapixels, whereas the G1X Mark II provides 13 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon 5D Mark III
versus
Canon G1 X Mark II
Canon 5D Mark III Canon G1 X Mark II
Digital single lens reflex Fixed lens compact camera
Canon EF mount lenses 24-120mm f/2.0-3.9
22.1 MP, Full Frame Sensor 13 MP, 1.5" Sensor
1080/30p Video 1080/30p Video
ISO 100-25,600 (50 - 102,400) ISO 100-12,800
Optical viewfinder Viewfinder optional
3.2 LCD, 1040k dots 3.0 LCD, 1040k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
6 shutter flaps per second 5.2 shutter flaps per second
Weathersealed bodynot weather sealed
950 shots per battery charge240 shots per battery charge
152 x 116 x 76 mm, 950 g 116 x 74 x 66 mm, 553 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 5D Mark III and the Canon PowerShot G1 X Mark II? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Canon 5D Mark III and the Canon G1 X Mark II. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Canon 5D Mark III vs Canon G1 X Mark II
Compare 5D Mark III versus G1X Mark II top
Comparison 5D Mark III or G1X Mark II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon G1 X Mark II is considerably smaller (51 percent) than the Canon 5D Mark III. It is worth mentioning in this context that the 5D Mark III is splash and dust resistant, while the G1X Mark II does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G1X Mark II has a lens built in, whereas the 5D Mark III is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the 5D Mark III and their specifications in the Canon EF Lens Catalog.

Concerning battery life, the 5D Mark III gets 950 shots out of its LP-E6 battery, while the G1X Mark II can take 240 images on a single charge of its NB-12L 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, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499 i
2.
 
Canon G1 X Mark II 116 mm 74 mm 66 mm 553 g 240 n Feb 2014 799 i
3.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 i
4.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
5.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
6.
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649 i
7.
 
Canon G16 109 mm 76 mm 40 mm 356 g 360 n Aug 2013 549 i
8.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099 i
9.
 
Canon G1 X 117 mm 81 mm 65 mm 534 g 250 n Jan 2012 799 i
10.
 
Canon T1i 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 799 i
11.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499 i
12.
 
Canon 5D 152 mm 113 mm 75 mm 895 g 400 Y Aug 2005 3,299 i
13.
 
Nikon D610 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999 i
14.
 
Nikon D600 141 mm 113 mm 82 mm 850 g 900 Y Sep 2012 2,099 i
15.
 
Nikon D800 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 2,999 i
16.
 
Nikon D800E 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 3,299 i
17.
 
Panasonic LX100 115 mm 66 mm 55 mm 393 g 300 n Sep 2014 899 i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

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 G1X Mark II was launched at a lower price than the 5D Mark III, despite having a lens built in. 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.

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Sensor comparison

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 5D Mark III features a full frame sensor and the Canon G1 X Mark II an 1.5-inch sensor. The sensor area in the G1X Mark II is 70 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.85. The sensor in the 5D Mark III has a native 3:2 aspect ratio, while the one in the G1X Mark II offers a 4:3 aspect.

Technology-wise, the G1X Mark II uses a more advanced image processing engine (DIGIC 6) than the 5D Mark III (DIGIC 5+), with benefits for noise reduction, color accuracy, and processing speed.

Canon 5D Mark III and Canon G1 X Mark II sensor measures

With 22.1MP, the 5D Mark III offers a higher resolution than the G1X Mark II (13MP), but the 5D Mark III nevertheless has larger individual pixels (pixel pitch of 6.25μm versus 4.49μm for the G1X Mark II) due to its larger sensor. However, the G1X Mark II is a somewhat more recent model (by 1 year and 11 months) than the 5D Mark III, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.

The resolution advantage of the Canon 5D Mark III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 5D Mark III for good quality output (200 dots per inch) amounts to 28.8 x 19.2 inches or 73.2 x 48.8 cm, for very good quality (250 dpi) 23 x 15.4 inches or 58.5 x 39 cm, and for excellent quality (300 dpi) 19.2 x 12.8 inches or 48.8 x 32.5 cm. The corresponding values for the Canon G1 X Mark II are 20.8 x 15.6 inches or 52.8 x 39.6 cm for good quality, 16.6 x 12.5 inches or 42.3 x 31.7 cm for very good quality, and 13.9 x 10.4 inches or 35.2 x 26.4 cm for excellent quality prints.

The Canon EOS 5D Mark III has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 50-102400. The corresponding ISO settings for the Canon PowerShot G1 X Mark II are ISO 100 to ISO 12800 (no boost).

5D Mark III versus G1X Mark II 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"). Of the two cameras under review, the 5D Mark III provides substantially higher image quality than the G1X Mark II, with an overall score that is 23 points higher. This advantage is based on 2.5 bits higher color depth, 0.9 EV in additional dynamic range, and 2 stops in additional low light sensitivity. 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
1.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.72293 81
2.
 
Canon G1 X Mark II 1.5-inch 13.0 4160 31201080/30p21.510.8581 58
3.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.62995 91
4.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.42381 87
5.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.42308 86
6.
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.0915 70
7.
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.7230 54
8.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.12340 82
9.
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.8644 60
10.
 
Canon T1i APS-C 15.1 4752 31681080/20p21.711.5663 63
11.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.91815 79
12.
 
Canon 5D Full Frame 12.7 4368 2912none22.911.11368 71
13.
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.42925 94
14.
 
Nikon D600 Full Frame 24.2 6016 40161080/30p25.114.22980 94
15.
 
Nikon D800 Full Frame 36.2 7360 49121080/30p25.314.42853 95
16.
 
Nikon D800E Full Frame 36.2 7360 49121080/30p25.614.32979 96
17.
 
Panasonic LX100 Four Thirds 12.7 4112 30884K/30p22.312.5553 67

Many modern cameras cannot only take still pictures, but also record videos. 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 (1080/30p).

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the 5D Mark III has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the G1X Mark II relies on live view and the rear LCD for framing. That said, the G1X Mark II can be equipped with an optional viewfinder – the EVF-DC1. The adjacent table lists some of the other core features of the Canon 5D Mark III and Canon G1 X Mark II along with similar information for a selection of comparators.

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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
1.
 
Canon 5D Mark IIIoptical Y 3.2 1040 fixed n 1/8000s 6.0 n n
2.
 
Canon G1 X Mark IIoptional n 3.0 1040 tilting Y 1/4000s 5.2 Y Y
3.
 
Canon 5D Mark IVoptical Y 3.2 1620 fixed Y 1/8000s 7.0 n n
4.
 
Canon 5DSoptical Y 3.2 1040 fixed n 1/8000s 5.0 n n
5.
 
Canon 5DS Roptical Y 3.2 1040 fixed n 1/8000s 5.0 n n
6.
 
Canon T6soptical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n
7.
 
Canon G16optical n 3.0 922 fixed n 1/4000s 2.2 Y Y
8.
 
Canon 6Doptical Y 3.0 1040 fixed n 1/4000s 4.5 n n
9.
 
Canon G1 Xoptical n 3.0 922 Swivel n 1/4000s 1.9 Y Y
10.
 
Canon T1ioptical n 3.0 920 fixed n 1/4000s 3.4 Y n
11.
 
Canon 5D Mark IIoptical Y 3.0 920 fixed n 1/8000s 3.9 n n
12.
 
Canon 5Doptical Y 2.5 230 fixed n 1/8000s 3.0 n n
13.
 
Nikon D610optical Y 3.2 921 fixed n 1/4000s 6.0 Y n
14.
 
Nikon D600optical Y 3.0 921 fixed n 1/4000s 5.5 Y n
15.
 
Nikon D800optical Y 3.2 921 fixed n 1/8000s 4.0 Y n
16.
 
Nikon D800Eoptical Y 3.2 921 fixed n 1/8000s 4.0 Y n
17.
 
Panasonic LX1002764 n 3.0 921 fixed n 1/4000s 11.0 n Y

One feature that is present on the 5D Mark III, but is missing on the G1X Mark II is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The G1X Mark II has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the 5D Mark III does not have a selfie-screen.

The Canon G1 X Mark II has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The 5D Mark III writes its imaging data to Compact Flash or SDXC cards, while the G1X Mark II uses SDXC cards. The 5D Mark III features dual card slots, which can be very useful in case a memory card fails. In contrast, the G1X Mark II only has one slot. The G1X Mark II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the 5D Mark III cannot take advantage of Ultra High Speed SD cards.

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Connectivity 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 EOS 5D Mark III and Canon PowerShot G1 X Mark II 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
1.
 
Canon 5D Mark IIIYmonomonoYYmini2.0---
2.
 
Canon G1 X Mark IIYstereomono--mini2.0YY-
3.
 
Canon 5D Mark IVYmonomonoYYmini3.0YY-
4.
 
Canon 5DSYmonomonoY-mini3.0---
5.
 
Canon 5DS RYmonomonoY-mini3.0---
6.
 
Canon T6sYstereomonoY-mini2.0YY-
7.
 
Canon G16Ystereomono--mini2.0Y--
8.
 
Canon 6DYmonomonoY-mini2.0Y--
9.
 
Canon G1 XYstereomono--mini2.0---
10.
 
Canon T1iYmonomono--mini2.0---
11.
 
Canon 5D Mark IIYmonomonoY-mini2.0---
12.
 
Canon 5DY-----2.0---
13.
 
Nikon D610YmonomonoYYmini2.0---
14.
 
Nikon D600YmonomonoYYmini2.0---
15.
 
Nikon D800YmonomonoYYmini3.0---
16.
 
Nikon D800EYmonomonoYYmini3.0---
17.
 
Panasonic LX100Ystereomono--micro2.0YY-

It is notable that the 5D Mark III has a microphone port, which is missing on the G1X Mark II. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Canon 5D Mark III (unlike the G1X Mark II) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 5D Mark III and the G1X Mark II have been discontinued, but can regularly be found used on eBay. The 5D Mark III was replaced by the Canon 5D Mark IV, while the G1X Mark II was followed by the Canon G1 X Mark III. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.

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Review summary

So what conclusions can be drawn? Is the Canon 5D Mark III better than the Canon G1 X Mark II or vice versa? A synthesis of the relative strong points of each of the models is listed below.


Arguments in favor of the Canon EOS 5D Mark III:

  • More detail: Offers more megapixels (22.1 vs 13MP) with a 33% higher linear resolution.
  • Better image quality: Scores substantially higher (23 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2.5 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (0.9 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (2 stops ISO advantage).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (6 vs 5.2 flaps/sec) to capture the decisive moment.
  • More flexible: Can take a variety of interchangeable lenses, including specialty optics.
  • Longer lasting: Can take more shots (950 versus 240) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been on the market for longer (launched in March 2012).


Advantages of the Canon PowerShot G1 X Mark II:

  • Better jpgs: Has a more modern image processing engine (DIGIC 6 vs DIGIC 5+).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Comes with an integrated lens, while the 5D Mark III requires a separate lens.
  • More compact: Is smaller (116x74mm vs 152x116mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the 5D Mark III).
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Was introduced somewhat (1 year and 11 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the 5D Mark III emerges as the winner of the contest (18 : 15 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. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

5D Mark III 18:15 G1X Mark II

How about other alternatives? Do the specifications of the Canon 5D Mark III and the Canon G1 X Mark II place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Travel-Zoom Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 5D Mark III or the G1X Mark II. 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

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 5D Mark III..+ +82/1004.5/54.5/5 Mar 2012 3,499 i
2.
 
Canon G1 X Mark II3/5+77/1004/54.5/5 Feb 2014 799 i
3.
 
Canon 5D Mark IV4.5/5+ +87/1004.5/54.5/5 Aug 2016 3,499 i
4.
 
Canon 5DS..+83/1004.5/54.5/5 Feb 2015 3,699 i
5.
 
Canon 5DS R5/5+83/1005/54.5/5 Feb 2015 3,699 i
6.
 
Canon T6s5/5+77/1004.5/54.5/5 Feb 2015 649 i
7.
 
Canon G164/5+..4.5/54.5/5 Aug 2013 549 i
8.
 
Canon 6D5/5+ +83/1004.5/54.5/5 Sep 2012 2,099 i
9.
 
Canon G1 X5/5+76/1004/54.5/5 Jan 2012 799 i
10.
 
Canon T1i..+ +74/1004.5/54.5/5 Mar 2009 799 i
11.
 
Canon 5D Mark II4/591/10079/1004/5.. Sep 2008 3,499 i
12.
 
Canon 5D..88/100+ +o.. Aug 2005 3,299 i
13.
 
Nikon D6104/5+ +87/1004.5/54.5/5 Oct 2013 1,999 i
14.
 
Nikon D6004/5+ +87/1005/54.5/5 Sep 2012 2,099 i
15.
 
Nikon D8005/5+ +82/1005/55/5 Feb 2012 2,999 i
16.
 
Nikon D800E....84/1005/55/5 Feb 2012 3,299 i
17.
 
Panasonic LX1005/5+ +85/1005/55/5 Sep 2014 899 i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Canon 5D Mark III:
Check Ebay offers
Canon G1 X Mark II:
Check Ebay offers

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 5D Mark III vs Canon G1 X Mark II

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Canon 5D Mark III Canon G1 X Mark II
    Camera Type Digital single lens reflex Fixed lens compact camera
    Camera Lens Canon EF mount lenses 24-120mm f/2.0-3.9
    Launch Date March 2012 February 2014
    Launch Price USD 3,499 USD 799
    Sensor Specs Canon 5D Mark III Canon G1 X Mark II
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor 1.5" Sensor
    Sensor Size 36.0 x 24.0 mm 18.7 x 14.0 mm
    Sensor Area 864 mm2 261.8 mm2
    Sensor Diagonal 43.3 mm 23.4 mm
    Crop Factor 1.0x 1.85x
    Sensor Resolution 22.1 Megapixels 13 Megapixels
    Image Resolution 5760 x 3840 pixels 4160 x 3120 pixels
    Pixel Pitch 6.25 μm 4.49 μm
    Pixel Density 2.56 MP/cm2 4.96 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 1080/30p Video
    ISO Setting 100 - 25,600 ISO 100 - 12,800 ISO
    ISO Boost 50 - 102,400 ISO no Enhancement
    Image Processor DIGIC 5+ DIGIC 6
    DXO Sensor Quality (score) 81 58
    DXO Color Depth (bits) 24.0 21.5
    DXO Dynamic Range (EV) 11.7 10.8
    DXO Low Light (ISO) 2293 581
    Screen Specs Canon 5D Mark III Canon G1 X Mark II
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.71x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 5D Mark III Canon G1 X Mark II
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 6 shutter flaps/s 5.2 shutter flaps/s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium CF or SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support no UHS-I
    Connectivity Specs Canon 5D Mark III Canon G1 X Mark II
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Canon 5D Mark III Canon G1 X Mark II
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type LP-E6 NB-12L
    Battery Life (CIPA)950 shots per charge240 shots per charge
    Body Dimensions 152 x 116 x 76 mm
    (6.0 x 4.6 x 3.0 in)
    116 x 74 x 66 mm
    (4.6 x 2.9 x 2.6 in)
    Camera Weight 950 g (33.5 oz) 553 g (19.5 oz)

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