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Canon 5D Mark II versus Canon G9 X Mark II

The Canon EOS 5D Mark II and the Canon PowerShot G9 X Mark II are two digital cameras that were announced, respectively, in September 2008 and January 2017. The 5D Mark II is a DSLR, while the G9X Mark II is a fixed lens compact. The cameras are based on a full frame (5D Mark II) and an one-inch (G9X Mark II) sensor. The 5D Mark II has a resolution of 21 megapixel, whereas the G9X Mark II provides 20 MP. 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 5D Mark II vs Canon G9 X Mark II

An illustration of the physical size and weight of the Canon 5D Mark II and the Canon G9 X Mark II is provided in the side-by-side display below. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter. You can also toggle the display to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left side – the 5D Mark II – represents the basis for the calculations across all the size and weight measures).

Compare Canon 5D Mark II vs Canon G9 X Mark II
5D Mark II versus G9X Mark II top view
5D Mark II and G9X Mark II rear side
Body view (5D Mark II on the left)

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon G9 X Mark II is considerably smaller (67 percent) than the Canon 5D Mark II. It is worth mentioning in this context that the 5D Mark II is splash and dust resistant, while the G9X 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 G9X Mark II has a lens build in, whereas the 5D Mark II is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can find an overview of optics for the 5D Mark II and their specifications in the Canon EF Lens Catalog.

Concerning battery life, the 5D Mark II gets 850 shots out of its LP-E6 battery, while the G9X Mark II can take 235 images on a single charge of its NB-13L 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, just select a new right or left 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 camera 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 5D Mark II (⇒ rgt) 152 mm 114 mm 75 mm 850 g 850 YES 2008 3,499discont. check
Canon G9 X Mark II (⇒ lft) 98 mm 58 mm 31 mm 206 g 235 no 2017 529 latest check
Canon 200D (⇒ lft | rgt) 122 mm 93 mm 70 mm 453 g 650 no 2017 549 latest check
Canon 6D Mark II (⇒ lft | rgt) 144 mm 111 mm 75 mm 765 g 1200 YES 2017 1,999 latest check
Canon M100 (⇒ lft | rgt) 108 mm 67 mm 35 mm 302 g 295 no 2017 499 latest check
Canon 5D Mark IV (⇒ lft | rgt) 151 mm 116 mm 76 mm 890 g 900 YES 2016 3,499 latest check
Canon M5 (⇒ lft | rgt) 116 mm 89 mm 61 mm 427 g 295 no 2016 979 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 G9 X (⇒ lft | rgt) 98 mm 58 mm 31 mm 209 g 220 no 2015 529discont. check
Canon 5DS R (⇒ lft | rgt) 152 mm 116 mm 76 mm 930 g 700 YES 2015 3,699 latest check
Canon 5DS (⇒ lft | rgt) 152 mm 116 mm 76 mm 930 g 700 YES 2015 3,699 latest check
Canon M10 (⇒ lft | rgt) 108 mm 67 mm 35 mm 301 g 255 no 2015 499discont. check
Canon 6D (⇒ lft | rgt) 145 mm 111 mm 71 mm 770 g 1090 YES 2012 2,099discont. check
Canon 5D Mark III (⇒ lft | rgt) 152 mm 116 mm 76 mm 950 g 950 YES 2012 3,499discont. check
Canon 7D (⇒ lft | rgt) 148 mm 111 mm 74 mm 860 g 800 YES 2009 1,699discont. check
Canon 1Ds Mark III (⇒ lft | rgt) 150 mm 160 mm 80 mm 1385 g 1800 YES 2007 7,999discont. check
Canon 5D (⇒ lft | rgt) 152 mm 113 mm 75 mm 895 g 400 YES 2005 3,299discont. check

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 G9X Mark II was launched at a lower price than the 5D Mark II, despite having a lens build in. 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 5D Mark II vs Canon G9 X Mark II

The size of the sensor inside a digital camera is one of the key determinants 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. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 5D Mark II features a full frame sensor and the Canon G9 X Mark II an one-inch sensor. The sensor area in the G9X Mark II is 87 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 5D Mark II and Canon G9 X Mark II sensor measures
Sensor size

With 21MP, the 5D Mark II offers a slightly higher resolution than the G9X Mark II (20MP), but the 5D Mark II nevertheless has larger individual pixels (pixel pitch of 6.41μm versus 2.41μm for the G9X Mark II) due to its larger sensor. However, the G9X Mark II is a somewhat more recent model (by 8 years and 3 months) than the 5D Mark II, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

5D Mark II versus G9X Mark II MP
Sensor resolution

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under review, the 5D Mark II provides substantially higher image quality than the G9X Mark II, with an overall score that is 14 points higher. This advantage is based on 1.8 bits higher color depth, 0.6 EV of lower dynamic range, and 1.8 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.

Sensor Characteristics
Camera Sensor
Class
Resolution
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Canon 5D Mark II (⇒ rgt) Full Frame 21.0 5616 3744 1080/30p 23.7 11.9 1815 79
Canon G9 X Mark II (⇒ lft) 1-inch 20.0 5472 3648 1080/60p 21.9 12.5 522 65
Canon 200D (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 23.6 13.4 1041 79
Canon 6D Mark II (⇒ lft | rgt) Full Frame 26.0 6240 4160 1080/60p 24.4 11.9 2862 85
Canon M100 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 23.5 12.9 1272 78
Canon 5D Mark IV (⇒ lft | rgt) Full Frame 30.1 6720 4480 4K/30p 24.8 13.6 2995 91
Canon M5 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 23.4 12.4 1262 77
Canon 1D X Mark II (⇒ lft | rgt) Full Frame 20.0 5472 3648 4K/60p 24.1 13.5 3207 88
Canon G9 X (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p 21.5 12.3 495 63
Canon 5DS R (⇒ lft | rgt) Full Frame 50.3 8688 5792 1080/60p 24.6 12.4 2308 86
Canon 5DS (⇒ lft | rgt) Full Frame 50.3 8688 5792 1080/60p 24.7 12.4 2381 87
Canon M10 (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 22.2 11.4 753 65
Canon 6D (⇒ lft | rgt) Full Frame 20.0 5472 3648 1080/30p 23.8 12.1 2340 82
Canon 5D Mark III (⇒ lft | rgt) Full Frame 22.1 5760 3840 1080/30p 24 11.7 2293 81
Canon 7D (⇒ lft | rgt) APS-C 17.9 5184 3456 1080/30p 22.0 11.7 854 66
Canon 1Ds Mark III (⇒ lft | rgt) Full Frame 21.0 5616 3744 no 24.0 12.0 1663 80
Canon 5D (⇒ lft | rgt) Full Frame 12.7 4368 2912 no 22.9 11.1 1368 71

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, but the G9X Mark II provides a faster frame rate than the 5D Mark II. It can shoot movie footage at 1080/60p, while the 5D Mark II is limited to 1080/30p.

Feature comparison: Canon 5D Mark II vs Canon G9 X Mark II

Apart from body and sensor, cameras can and do differ across a range of features. For example, the 5D Mark II has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the G9X Mark II relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Canon 5D Mark II and Canon G9 X Mark II in connection with corresponding information for a sample of similar cameras. The full specs-sheets can be found in the camera manual or, 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 5D Mark II (⇒ rgt) optical YES 3.0 920 fixed no 8000 3.9 no no
Canon G9 X Mark II (⇒ lft) no no 3.0 1040 fixed YES 2000 8.2 6 YES
Canon 200D (⇒ lft | rgt) optical no 3.0 1040 swivel YES 4000 5.0 9.8 no
Canon 6D Mark II (⇒ lft | rgt) optical YES 3.0 1040 swivel YES 4000 6.5 no no
Canon M100 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 6.1 5 no
Canon 5D Mark IV (⇒ lft | rgt) optical YES 3.2 1620 fixed YES 8000 7.0 no no
Canon M5 (⇒ lft | rgt) 2360 no 3.2 1620 tilting YES 4000 9.0 5 no
Canon 1D X Mark II (⇒ lft | rgt) optical YES 3.2 1620 fixed YES 8000 16.0 no no
Canon G9 X (⇒ lft | rgt) no no 3.0 1040 fixed YES 2000 6.0 6 YES
Canon 5DS R (⇒ lft | rgt) optical YES 3.2 1040 fixed no 8000 5.0 no no
Canon 5DS (⇒ lft | rgt) optical YES 3.2 1040 fixed no 8000 5.0 no no
Canon M10 (⇒ lft | rgt) no no 3.0 1040 tilting YES 4000 4.6 5 no
Canon 6D (⇒ lft | rgt) optical YES 3.0 1040 fixed no 4000 4.5 no no
Canon 5D Mark III (⇒ lft | rgt) optical YES 3.2 1040 fixed no 8000 6.0 no no
Canon 7D (⇒ lft | rgt) optical YES 3.0 920 fixed no 8000 8.0 12 no
Canon 1Ds Mark III (⇒ lft | rgt) optical YES 3.0 230 fixed no 8000 5.0 no no
Canon 5D (⇒ lft | rgt) optical YES 2.5 230 fixed no 8000 3.0 no no

The G9X Mark II is a current model that online retailers, such as amazon, will have in stock. In contrast, the 5D Mark II has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the 5D Mark II was succeeded by the Canon 5D Mark III.

Review summary: Canon 5D Mark II vs Canon G9 X Mark II

So how do things add up? Is the Canon 5D Mark II better than the Canon G9 X Mark II or vice versa? The listing below highlights the relative strengths of the two models.


Advantages of the Canon EOS 5D Mark II:

  • Better image quality: Scores substantially higher (14 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.8 bits more color depth).
  • Better low-light sensitivity: Requires less light for good images (1.8 stops ISO advantage).
  • Easier framing: Has an optical viewfinder for image framing and settings control.
  • Easier setting verification: Has an LCD display on top to control shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 2000/sec) to freeze action.
  • More flexible: Can take a variety of interchangeable lenses, including specialty optics.
  • Longer lasting: Can take more shots (850 versus 235) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • More heavily discounted: Has been available for much longer (launched in September 2008).

Reasons to prefer the Canon PowerShot G9 X Mark II:

  • More dynamic range: Captures a broader range of light and dark details (0.6 EV of extra DR).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 920k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (8.2 vs 3.9 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Comes with an integrated lens, while the 5D Mark II requires a separate lens.
  • More compact: Is smaller (98x58mm vs 152x114mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens build in (unlike the 5D Mark II).
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • More affordable: Was introduced at a lower price, despite coming with a build-in lens.
  • More modern: Reflects 8 years and 3 months of technical progress since the 5D Mark II launch.

If the count of individual advantages (bullet points above) is taken as a guide, the G9X Mark II emerges as the winner of the match-up (12 : 10 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.

5D Mark II 10:12 G9X Mark II

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 5D Mark II and the G9X Mark II in practical situations. 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 table below summarizes the assessments of some of the best known camera review sites. The full reviews are available, 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 5D Mark II (⇒ rgt) 91/100 79/100 HiRec 4/5 5/5 - 2008 3,499discont. check
Canon G9 X Mark II (⇒ lft) .. 75/100 4.5/5 4.5/5 4.5/5 2017 529 latest check
Canon 200D (⇒ lft | rgt) HiRec 78/100 Silver 4.5/5 4.5/5 4.5/5 2017 549 latest check
Canon 6D Mark II (⇒ lft | rgt) Rec 80/100 4.5/5 4/5 4/5 2017 1,999 latest check
Canon M100 (⇒ lft | rgt) Rec .. 4/5 .. 3.5/5 2017 499 latest check
Canon 5D Mark IV (⇒ lft | rgt) HiRec 87/100 Gold 4.5/5 5/5 4.5/5 2016 3,499 latest check
Canon M5 (⇒ lft | rgt) Rec 82/100 Silver 4/5 4.5/5 4/5 2016 979 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 G9 X (⇒ lft | rgt) HiRec - 4.5/5 4/5 4.5/5 2015 529discont. check
Canon 5DS R (⇒ lft | rgt) Rec 83/100 Silver 5/5 5/5 4.5/5 2015 3,699 latest check
Canon 5DS (⇒ lft | rgt) Rec 83/100 Silver 4.5/5 5/5 4.5/5 2015 3,699 latest check
Canon M10 (⇒ lft | rgt) - - - reviewed 4/5 2015 499discont. check
Canon 6D (⇒ lft | rgt) HiRec 83/100 Silver 4.5/5 4.5/5 4.5/5 2012 2,099discont. check
Canon 5D Mark III (⇒ lft | rgt) HiRec 82/100 Gold 4.5/5 5/5 4.5/5 2012 3,499discont. check
Canon 7D (⇒ lft | rgt) 93/100 HiRec 84/100 4.5/5 5/5 4.5/5 2009 1,699discont. check
Canon 1Ds Mark III (⇒ lft | rgt) - HiRec 4.5/5 - - 2007 7,999discont. check
Canon 5D (⇒ lft | rgt) 88/100 HiRec reviewed reviewed - 2005 3,299discont. check

The review scores listed above should be treated with care, though. The ratings are only valid when refering to cameras in the same category and of the same age. 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, 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 are interested in seeing how other cameras pair up, just make your choice using the following search menu. 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 the camera you are interested in is not available, please send me an email, and I will try to update the database with the necessary infos.

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