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Canon G9 X Mark II vs Sony A99

The Canon PowerShot G9 X Mark II and the Sony Alpha SLT-A99 are two digital cameras that were announced, respectively, in January 2017 and September 2012. The G9X Mark II is a fixed lens compact, while the A99 is a DSLR. The cameras are based on an one-inch (G9X Mark II) and a full frame (A99) sensor. The Canon has a resolution of 20 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Canon G9 X Mark II
versus
Sony A99
Canon G9 X Mark II   Sony A99
Fixed lens compact camera Digital single lens reflex
28-84mm f/2.0-4.9 Sony A mount lenses
20 MP – 1" sensor 24 MP – Full Frame sensor
1080/60p Video 1080/60p Video
ISO 125-12,800 ISO 100-25,600
No viewfinder, LCD framing Electronic viewfinder (2359k dots)
3.0" LCD – 1040k dots 3.0" LCD – 1229k dots
Fixed touchscreen Fully flexible screen (no touchscreen)
8.2 shutter flaps per second 6 shutter flaps per second
Lens-based stabilizationIn-body stabilization
not weather sealedWeathersealed body
235 shots per battery charge500 shots per battery charge
98 x 58 x 31 mm, 206 g 147 x 111 x 78 mm, 812 g
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Check G9X Mark II offers at
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Check A99 offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G9 X Mark II and the Sony Alpha SLT-A99? 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.

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Body comparison

An illustration of the physical size and weight of the Canon G9 X Mark II and the Sony A99 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

The G9X Mark II can be obtained in two different colors (black, silver), while the A99 is only available in black.

Size Canon G9 X Mark II vs Sony A99
Compare G9X Mark II versus A99 top
Comparison G9X Mark II or A99 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A99 is considerably larger (187 percent) than the Canon G9 X Mark II. It is noteworthy in this context that the A99 is splash and dust-proof, 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 built in, whereas the A99 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the G9X Mark II gets 235 shots out of its Canon NB-13L battery, while the A99 can take 500 images on a single charge of its Sony NP-FM500H power pack. The power pack in the G9X Mark II can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon G9 X Mark II 98 mm 58 mm 31 mm 206 g 235 n Jan 2017 529ebay.com
2.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799ebay.com
3.
 
Canon 2000D 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 449 amazon.com
4.
 
Canon SX70 127 mm 91 mm 117 mm 608 g 325 n Sep 2018 549 amazon.com
5.
 
Canon 200D 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549ebay.com
6.
 
Canon M100 108 mm 67 mm 35 mm 302 g 295 n Aug 2017 499ebay.com
7.
 
Canon 1300D 129 mm 101 mm 78 mm 485 g 500 n Mar 2016 449ebay.com
8.
 
Canon SX620 97 mm 57 mm 28 mm 182 g 295 n May 2016 279ebay.com
9.
 
Canon G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529ebay.com
10.
 
Canon S120 100 mm 59 mm 29 mm 217 g 230 n Aug 2013 449ebay.com
11.
 
Sony HX99 102 mm 58 mm 36 mm 242 g 370 n Aug 2018 449ebay.com
12.
 
Sony HX95 102 mm 58 mm 36 mm 242 g 370 n Aug 2018 429ebay.com
13.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.com
14.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.com
15.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399ebay.com
16.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999ebay.com
17.
 
Sony A900 156 mm 117 mm 82 mm 895 g 880 Y Sep 2008 2,999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The G9X Mark II was launched at a lower price than the A99, despite having a lens built 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

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 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon G9 X Mark II features an one-inch sensor and the Sony A99 a full frame sensor. The sensor area in the A99 is 634 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon G9 X Mark II and Sony A99 sensor measures

With 24MP, the A99 offers a higher resolution than the G9X Mark II (20MP), but the A99 nevertheless has larger individual pixels (pixel pitch of 5.96μm versus 2.41μm for the G9X Mark II) due to its larger sensor. However, the G9X Mark II is a much more recent model (by 4 years and 3 months) than the A99, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A99 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A99 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Canon G9 X Mark II are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.

The Canon PowerShot G9 X Mark II has a native sensitivity range from ISO 125 to ISO 12800. The corresponding ISO settings for the Sony Alpha SLT-A99 are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-25600.

In terms of underlying technology, the G9X Mark II is build around a BSI-CMOS sensor, while the A99 uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

G9X Mark II versus A99 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under consideration, the A99 offers substantially better image quality than the G9X Mark II (overall score 24 points higher). The advantage is based on 3.1 bits higher color depth, 1.5 EV in additional dynamic range, and 1.6 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon G9 X Mark II 1-inch 20.0 5472 36481080/60p21.912.552265
2.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589
3.
 
Canon 2000D APS-C 24.0 6000 40001080/30p22.611.9100971
4.
 
Canon SX70 1/2.3 20.2 5184 38884K/30p20.612.1106351
5.
 
Canon 200D APS-C 24.0 6000 40001080/60p23.613.4104179
6.
 
Canon M100 APS-C 24.0 6000 40001080/60p23.512.9127278
7.
 
Canon 1300D APS-C 17.9 5184 34561080/30p22.011.778166
8.
 
Canon SX620 1/2.3 20.2 5184 38881080/30p20.411.883849
9.
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
10.
 
Canon S120 1/1.7 12.0 4000 30001080/60p21.311.924656
11.
 
Sony HX99 1/2.3 18.0 4896 36724K/30p20.612.1105851
12.
 
Sony HX95 1/2.3 18.0 4896 36724K/30p20.612.1105751
13.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
14.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
15.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
16.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579
17.
 
Sony A900 Full Frame 24.4 6048 4032none23.712.3143179
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/60p).

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A99 has an electronic viewfinder (2359k dots), which can be very helpful when shooting in bright sunlight. In contrast, the G9X Mark II relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Canon G9 X Mark II and Sony A99 along with similar information for a selection of comparators.

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Core Features
# image Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon G9 X Mark IInone n3.0 / 1040 fixed Y 1/2000s 8.2/s Y Y
2.
 
Sony A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0/s n Y
3.
 
Canon 2000Doptical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
4.
 
Canon SX702360 n3.0 / 922 swivel n 1/2000s 10.0/s Y Y
5.
 
Canon 200Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
6.
 
Canon M100none n3.0 / 1040 tilting Y 1/4000s 6.1/s Y n
7.
 
Canon 1300Doptical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
8.
 
Canon SX620none n3.0 / 922 fixed n 1/2000s 2.5/s Y Y
9.
 
Canon G9 Xnone n3.0 / 1040 fixed Y 1/2000s 6.0/s Y Y
10.
 
Canon S120none n3.0 / 922 fixed Y 1/2000s 12.1/s Y Y
11.
 
Sony HX99638 n3.0 / 922 tilting Y 1/2000s 10.0/s Y Y
12.
 
Sony HX95638 n3.0 / 922 tilting n 1/2000s 10.0/s Y Y
13.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
14.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
15.
 
Sony A772359 Y3.0 / 921 full-flex n 1/8000s 12.0/s Y Y
16.
 
Sony A850optical Y3.0 / 922 fixed n 1/8000s 3.0/s n Y
17.
 
Sony A900optical Y3.0 / 922 fixed n 1/8000s 5.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One difference between the cameras concerns the presence of an on-board flash. The G9X Mark II has one, while the A99 does not. While the built-in flash of the G9X Mark II is not very powerful, it can at times be useful as a fill-in light.

The A99 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 G9X Mark II does not have a selfie-screen.

The Canon G9 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 G9X Mark II writes its imaging data to SDXC cards, while the A99 uses SDXC or Memory Stick PRO Duo cards. The A99 features dual card slots, which can be very useful in case a memory card fails. In contrast, the G9X Mark II only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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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 PowerShot G9 X Mark II and Sony Alpha SLT-A99 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon G9 X Mark II-stereo / mono--micro2.0YYY
2.
 
Sony A99Ystereo / monoYYmini2.0---
3.
 
Canon 2000DYmono / mono--mini2.0YY-
4.
 
Canon SX70-stereo / monoY-micro2.0Y-Y
5.
 
Canon 200DYstereo / monoY-mini2.0YYY
6.
 
Canon M100-stereo / mono--micro2.0YYY
7.
 
Canon 1300DYmono / mono--mini2.0YY-
8.
 
Canon SX620-mono / mono--micro2.0YY-
9.
 
Canon G9 X-stereo / mono--micro2.0YY-
10.
 
Canon S120-stereo / mono--mini2.0Y--
11.
 
Sony HX99-stereo / mono--micro2.0YYY
12.
 
Sony HX95-stereo / mono--micro2.0YYY
13.
 
Sony A9Ystereo / monoYYmicro2.0YYY
14.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
15.
 
Sony A77Ystereo / monoY-mini2.0---
16.
 
Sony A850Y- / ---mini2.0---
17.
 
Sony A900Y- / ---mini2.0---
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It is notable that the G9X Mark II offers wifi support, while the A99 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Sony A99 (unlike the G9X Mark II) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the A99 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the G9X Mark II and the A99 have been discontinued, but can regularly be found used on ebay. The A99 was replaced by the Sony A99, while the G9X Mark II does not have a direct successor. Further information on the features and operation of the G9X Mark II and A99 can be found, respectively, in the Canon G9 X Mark II Manual (free pdf) or the online Sony A99 Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon G9 X Mark II and the Sony A99? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Canon PowerShot G9 X Mark II:

  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (8.2 vs 6 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Comes with a built-in lens, while the A99 requires a separate lens.
  • More compact: Is smaller (98x58mm vs 147x111mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A99).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • 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.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 4 years and 3 months of technical progress since the A99 launch.

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Advantages of the Sony Alpha SLT-A99:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • Better image quality: Scores substantially higher (24 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.1 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.5 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.6 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 electronic viewfinder for image composition and settings control.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1040k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • Longer lasting: Gets more shots (500 versus 235) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • 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 around for much longer (launched in September 2012).

If the count of individual advantages (bullet points above) is taken as a guide, the A99 is the clear winner of the contest (21 : 13 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.

G9X Mark II 13:21 A99

How about other alternatives? Do the specifications of the Canon G9 X Mark II and the Sony A99 place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the G9X Mark II and the A99 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.

Expert reviews

This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon G9 X Mark II4/5..4/575/1004.5/54.5/5 Jan 2017 529ebay.com
2.
 
Sony A995/5....84/1004.5/54.5/5 Sep 2012 2,799ebay.com
3.
 
Canon 2000D3/5o3.5/5..3.5/53.5/5 Feb 2018 449 amazon.com
4.
 
Canon SX70..+ +3.5/5..3.5/53.5/5 Sep 2018 549 amazon.com
5.
 
Canon 200D4/5+ +4/578/1004.5/54.5/5 Jun 2017 549ebay.com
6.
 
Canon M1003/5+....4/53.5/5 Aug 2017 499ebay.com
7.
 
Canon 1300D4/5o4/573/1004/54/5 Mar 2016 449ebay.com
8.
 
Canon SX620..........4/5 May 2016 279ebay.com
9.
 
Canon G9 X3.5/5+ +....4.5/54.5/5 Oct 2015 529ebay.com
10.
 
Canon S120..+ +....4.5/54.5/5 Aug 2013 449ebay.com
11.
 
Sony HX99........4/54.5/5 Aug 2018 449ebay.com
12.
 
Sony HX95............ Aug 2018 429ebay.com
13.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
14.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
15.
 
Sony A775/591/100..81/100..5/5 Aug 2011 1,399ebay.com
16.
 
Sony A8503/5....75/100..4.5/5 Aug 2009 1,999ebay.com
17.
 
Sony A900..+ +..+ +4.5/55/5 Sep 2008 2,999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon G9 X Mark II vs Sony A99

    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 G9 X Mark II Sony A99
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 28-84mm f/2.0-4.9 Sony A mount lenses
    Launch Date January 2017 September 2012
    Launch Price USD 529 USD 2,799
    Sensor Specs Canon G9 X Mark II Sony A99
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1" Sensor Full Frame Sensor
    Sensor Size 13.2 x 8.8 mm 35.8 x 23.8 mm
    Sensor Area 116.16 mm2 852.04 mm2
    Sensor Diagonal 15.9 mm 43 mm
    Crop Factor 2.7x 1.0x
    Sensor Resolution 20 Megapixels 24 Megapixels
    Image Resolution 5472 x 3648 pixels 6000 x 4000 pixels
    Pixel Pitch 2.41 μm 5.96 μm
    Pixel Density 17.18 MP/cm2 2.82 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 125 - 12,800 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 50 - 25,600 ISO
    Image Processor DIGIC 7 BIONZ X
    DXO Sensor Quality (score) 65 89
    DXO Color Depth (bits) 21.9 25.0
    DXO Dynamic Range (EV) 12.5 14.0
    DXO Low Light (ISO) 522 1555
    Screen Specs Canon G9 X Mark II Sony A99
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.71x
    Viewfinder Resolution 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1229k dots
    LCD Attachment Fixed screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon G9 X Mark II Sony A99
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/8000s
    Continuous Shooting 8.2 shutter flaps/s 6 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I UHS-I
    Connectivity Specs Canon G9 X Mark II Sony A99
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging no internal GPS GPS built-in
    Body Specs Canon G9 X Mark II Sony A99
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon NB-13L Sony NP-FM500H
    Battery Life (CIPA)235 shots per charge500 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 98 x 58 x 31 mm
    (3.9 x 2.3 x 1.2 in)
    147 x 111 x 78 mm
    (5.8 x 4.4 x 3.1 in)
    Camera Weight 206 g (7.3 oz) 812 g (28.6 oz)
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