Canon G9 X Mark II vs Sony A7C II
The Canon PowerShot G9 X Mark II and the Sony Alpha A7C II are two digital cameras that were revealed to the public, respectively, in January 2017 and August 2023. The G9X Mark II is a fixed lens compact, while the A7C II is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (G9X Mark II) and a full frame (A7C II) sensor. The Canon has a resolution of 20 megapixels, whereas the Sony provides 32.7 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Check G9X Mark II 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 A7C 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 G9 X Mark II and the Sony A7C II. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.
Both cameras are available in two different colors (black, silver).



If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7C II is considerably larger (55 percent) than the Canon G9 X Mark II. It is noteworthy in this context that the A7C II 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 A7C 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 compare the optics available for the A7C II and their specifications in the Sony FE Lens Catalog.
Concerning battery life, the G9X Mark II gets 235 shots out of its Canon NB-13L battery, while the A7C II can take 540 images on a single charge of its Sony NP-FZ100 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient 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.

| Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price |
Street Price |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Canon G9 X Mark II | 98 mm | 58 mm | 31 mm | 206 g | 235 | n | Jan 2017 | EUR 499 | ebay.com | |
| 2. | Sony A7C II | 124 mm | 71 mm | 63 mm | 514 g | 540 | Y | Aug 2023 | EUR 2 399 | amazon.com | |
| 3. | Canon 200D | 122 mm | 93 mm | 70 mm | 453 g | 650 | n | Jun 2017 | EUR 599 | ebay.com | |
| 4. | Canon 1300D | 129 mm | 101 mm | 78 mm | 485 g | 500 | n | Mar 2016 | EUR 449 | ebay.com | |
| 5. | Canon 2000D | 129 mm | 101 mm | 78 mm | 475 g | 500 | n | Feb 2018 | EUR 499 | amazon.com | |
| 6. | Canon G9 X | 98 mm | 58 mm | 31 mm | 209 g | 220 | n | Oct 2015 | EUR 499 | ebay.com | |
| 7. | Canon M100 | 108 mm | 67 mm | 35 mm | 302 g | 295 | n | Aug 2017 | EUR 479 | ebay.com | |
| 8. | Canon S120 | 100 mm | 59 mm | 29 mm | 217 g | 230 | n | Aug 2013 | EUR 499 | ebay.com | |
| 9. | Canon SX70 | 127 mm | 91 mm | 117 mm | 608 g | 325 | n | Sep 2018 | EUR 549 | amazon.com | |
| 10. | Canon SX620 | 97 mm | 57 mm | 28 mm | 182 g | 295 | n | May 2016 | EUR 269 | ebay.com | |
| 11. | Sony A7 II | 127 mm | 96 mm | 60 mm | 599 g | 350 | Y | Nov 2014 | EUR 2 099 | ebay.com | |
| 12. | Sony A7 IV | 131 mm | 96 mm | 80 mm | 659 g | 580 | Y | Oct 2021 | EUR 2 799 | amazon.com | |
| 13. | Sony A7C | 124 mm | 71 mm | 60 mm | 509 g | 740 | Y | Sep 2020 | EUR 2 099 | amazon.com | |
| 14. | Sony A7R | 127 mm | 94 mm | 48 mm | 465 g | 340 | Y | Oct 2013 | EUR 2 099 | ebay.com | |
| 15. | Sony HX95 | 102 mm | 58 mm | 36 mm | 242 g | 370 | n | Aug 2018 | EUR 499 | ebay.com | |
| 16. | Sony HX99 | 102 mm | 58 mm | 36 mm | 242 g | 370 | n | Aug 2018 | EUR 519 | ebay.com | |
| 17. | Sony ZV-E1 | 121 mm | 72 mm | 54 mm | 483 g | 570 | Y | Mar 2023 | EUR 2 699 | amazon.com | |
| Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders. | |||||||||||
Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The G9X Mark II was launched at a lower price than the A7C II, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
Sensor comparison
The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Canon G9 X Mark II features an one-inch sensor and the Sony A7C II a full frame sensor. The sensor area in the A7C II is 640 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.

With 32.7MP, the A7C II offers a higher resolution than the G9X Mark II (20MP), but the A7C II nevertheless has larger individual pixels (pixel pitch of 5.12μm versus 2.41μm for the G9X Mark II) due to its larger sensor. Moreover, the A7C II is a much more recent model (by 6 years and 7 months) than the G9X Mark II, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the A7C II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Sony A7C II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7C II for good quality output (200 dots per inch) amounts to 35 x 23.4 inches or 89 x 59.3 cm, for very good quality (250 dpi) 28 x 18.7 inches or 71.2 x 47.5 cm, and for excellent quality (300 dpi) 23.4 x 15.6 inches or 59.3 x 39.6 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 A7C II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
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 A7C II are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.
Technology-wise, both cameras are equipped with BSI-CMOS (Backside Illuminated Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

| 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 | 3648 | 1080/60p | 21.9 | 12.5 | 522 | 65 | |
| 2. | Sony A7C II | Full Frame | 32.7 | 7008 | 4672 | 4K/60p | 25.4 | 14.7 | 3237 | 96 | |
| 3. | Canon 200D | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 23.6 | 13.4 | 1041 | 79 | |
| 4. | Canon 1300D | APS-C | 17.9 | 5184 | 3456 | 1080/30p | 22.0 | 11.7 | 781 | 66 | |
| 5. | Canon 2000D | APS-C | 24.0 | 6000 | 4000 | 1080/30p | 22.6 | 11.9 | 1009 | 71 | |
| 6. | Canon G9 X | 1-inch | 20.0 | 5472 | 3648 | 1080/60p | 21.5 | 12.3 | 495 | 63 | |
| 7. | Canon M100 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 23.5 | 12.9 | 1272 | 78 | |
| 8. | Canon S120 | 1/1.7 | 12.0 | 4000 | 3000 | 1080/60p | 21.3 | 11.9 | 246 | 56 | |
| 9. | Canon SX70 | 1/2.3 | 20.2 | 5184 | 3888 | 4K/30p | 20.6 | 12.1 | 1063 | 51 | |
| 10. | Canon SX620 | 1/2.3 | 20.2 | 5184 | 3888 | 1080/30p | 20.4 | 11.8 | 838 | 49 | |
| 11. | Sony A7 II | Full Frame | 24.0 | 6000 | 4000 | 1080/60p | 24.9 | 13.6 | 2449 | 90 | |
| 12. | Sony A7 IV | Full Frame | 32.7 | 7008 | 4672 | 4K/60p | 25.4 | 14.7 | 3379 | 97 | |
| 13. | Sony A7C | Full Frame | 24.0 | 6000 | 4000 | 4K/30p | 25.0 | 14.7 | 3407 | 95 | |
| 14. | Sony A7R | Full Frame | 36.2 | 7360 | 4912 | 1080/60p | 25.6 | 14.1 | 2746 | 95 | |
| 15. | Sony HX95 | 1/2.3 | 18.0 | 4896 | 3672 | 4K/30p | 20.6 | 12.1 | 1057 | 51 | |
| 16. | Sony HX99 | 1/2.3 | 18.0 | 4896 | 3672 | 4K/30p | 20.6 | 12.1 | 1058 | 51 | |
| 17. | Sony ZV-E1 | Full Frame | 12.0 | 4240 | 2832 | 4K/60p | 25.4 | 14.6 | 3181 | 96 | |
| Note: DXO values in italics represent estimates based on sensor size and age. | |||||||||||
Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A7C II provides a better video resolution than the G9X Mark II. It can shoot movie footage at 4K/60p, while the Canon is limited to 1080/60p.
Feature comparison
Apart from body and sensor, cameras can and do differ across a range of features. For example, the A7C II has an electronic viewfinder (2360k 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 A7C II along with similar information for a selection of comparators.

| 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 II | none | n | 3.0 / 1040 | fixed | Y | 1/2000s | 8.2/s | Y | Y | |
| 2. | Sony A7C II | 2360 | n | 3.0 / 1037 | swivel | Y | 1/4000s | 10.0/s | n | Y | |
| 3. | Canon 200D | optical | n | 3.0 / 1040 | swivel | Y | 1/4000s | 5.0/s | Y | n | |
| 4. | Canon 1300D | optical | n | 3.0 / 920 | fixed | n | 1/4000s | 3.0/s | Y | n | |
| 5. | Canon 2000D | optical | n | 3.0 / 920 | fixed | n | 1/4000s | 3.0/s | Y | n | |
| 6. | Canon G9 X | none | n | 3.0 / 1040 | fixed | Y | 1/2000s | 6.0/s | Y | Y | |
| 7. | Canon M100 | none | n | 3.0 / 1040 | tilting | Y | 1/4000s | 6.1/s | Y | n | |
| 8. | Canon S120 | none | n | 3.0 / 922 | fixed | Y | 1/2000s | 12.1/s | Y | Y | |
| 9. | Canon SX70 | 2360 | n | 3.0 / 922 | swivel | n | 1/2000s | 10.0/s | Y | Y | |
| 10. | Canon SX620 | none | n | 3.0 / 922 | fixed | n | 1/2000s | 2.5/s | Y | Y | |
| 11. | Sony A7 II | 2400 | n | 3.0 / 1230 | tilting | n | 1/8000s | 5.0/s | n | Y | |
| 12. | Sony A7 IV | 3686 | n | 3.0 / 1037 | swivel | Y | 1/8000s | 10.0/s | n | Y | |
| 13. | Sony A7C | 2360 | n | 3.0 / 922 | swivel | Y | 1/4000s | 10.0/s | n | Y | |
| 14. | Sony A7R | 2400 | n | 3.0 / 1230 | tilting | n | 1/8000s | 4.0/s | n | n | |
| 15. | Sony HX95 | 638 | n | 3.0 / 922 | tilting | n | 1/2000s | 10.0/s | Y | Y | |
| 16. | Sony HX99 | 638 | n | 3.0 / 922 | tilting | Y | 1/2000s | 10.0/s | Y | Y | |
| 17. | Sony ZV-E1 | none | n | 3.0 / 1037 | swivel | Y | 1/8000s | 10.0/s | n | Y | |
| Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. | |||||||||||
One difference between the cameras concerns the presence of an on-board flash. The G9X Mark II has one, while the A7C II 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 A7C 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 G9X Mark II does not have a selfie-screen.The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the A7C II is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).
The Canon G9 X Mark II and the Sony A7C II both have 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 A7C II uses SDXC or Memory Stick PRO Duo cards. The A7C II supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the G9X Mark II can use UHS-I cards (up to 104 MB/s).
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 A7C II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

| 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 | - | - | micro | 2.0 | Y | Y | Y | |
| 2. | Sony A7C II | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y | |
| 3. | Canon 200D | Y | stereo / mono | Y | - | mini | 2.0 | Y | Y | Y | |
| 4. | Canon 1300D | Y | mono / mono | - | - | mini | 2.0 | Y | Y | - | |
| 5. | Canon 2000D | Y | mono / mono | - | - | mini | 2.0 | Y | Y | - | |
| 6. | Canon G9 X | - | stereo / mono | - | - | micro | 2.0 | Y | Y | - | |
| 7. | Canon M100 | - | stereo / mono | - | - | micro | 2.0 | Y | Y | Y | |
| 8. | Canon S120 | - | stereo / mono | - | - | mini | 2.0 | Y | - | - | |
| 9. | Canon SX70 | - | stereo / mono | Y | - | micro | 2.0 | Y | - | Y | |
| 10. | Canon SX620 | - | mono / mono | - | - | micro | 2.0 | Y | Y | - | |
| 11. | Sony A7 II | Y | stereo / mono | Y | Y | micro | 2.0 | Y | Y | - | |
| 12. | Sony A7 IV | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y | |
| 13. | Sony A7C | Y | stereo / mono | Y | Y | micro | 3.2 | Y | Y | Y | |
| 14. | Sony A7R | Y | stereo / mono | Y | Y | micro | 2.0 | Y | Y | - | |
| 15. | Sony HX95 | - | stereo / mono | - | - | micro | 2.0 | Y | Y | Y | |
| 16. | Sony HX99 | - | stereo / mono | - | - | micro | 2.0 | Y | Y | Y | |
| 17. | Sony ZV-E1 | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y |
It is notable that the A7C II has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The G9X Mark II does not feature such a mic input.
The A7C II is a recent model that features in the current product line-up of Sony. In contrast, the G9X Mark II has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the G9X Mark II from Canon. Further information on the features and operation of the G9X Mark II and A7C II can be found, respectively, in the Canon G9 X Mark II Manual (free pdf) or the online Sony A7C II Manual.
Review summary
So what conclusions can be drawn? Is the Canon G9 X Mark II better than the Sony A7C II or vice versa? A synthesis of the relative strong points of each of the models is listed below.

Advantages of the Canon PowerShot G9 X Mark II:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Ready to shoot: Has a lens built-in, whereas the A7C II requires a separate lens.
- More compact: Is smaller (98x58mm vs 124x71mm) and thus needs less room in the bag.
- Less heavy: Is lighter even though it comes with a built-in lens (unlike the A7C II).
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- More affordable: Was introduced at a lower price, despite coming with a built-in lens.
- More heavily discounted: Has been available for much longer (launched in January 2017).

Arguments in favor of the Sony Alpha A7C II:
- More detail: Has more megapixels (32.7 vs 20MP), which boosts linear resolution by 28%.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Better image quality: Is equipped with a larger and more technologically advanced sensor.
- Richer colors: The sensor size advantage translates into images with better, more accurate colors.
- More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
- Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
- Better video: Provides higher definition movie capture (4K/60p vs 1080/60p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- 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.
- More flexible LCD: Has a swivel 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 (1/4000s vs 1/2000s) to freeze action.
- Faster burst: Shoots at higher frequency (10 vs 8.2 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
- Longer lasting: Gets more shots (540 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.
- Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
- Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
- More modern: Reflects 6 years and 7 months of technical progress since the G9X Mark II launch.
If the count of individual advantages (bullet points above) is taken as a guide, the A7C II is the clear winner of the contest (23 : 8 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Canon G9 X Mark II and the Sony A7C II place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Mirrorless Interchangeable Lens 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 incomplete and does no justice, for example, to the way the G9X Mark II or the A7C II perform in practice. 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], 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.

| Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price |
Street Price |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Canon G9 X Mark II | 4/5 | .. | 4/5 | 75/100 | 4.5/5 | 4.5/5 | Jan 2017 | EUR 499 | ebay.com | |
| 2. | Sony A7C II | 4/5 | .. | 4/5 | 87/100 | 4.5/5 | 4.5/5 | Aug 2023 | EUR 2 399 | amazon.com | |
| 3. | Canon 200D | 4/5 | + + | 4/5 | 78/100 | 4.5/5 | 4.5/5 | Jun 2017 | EUR 599 | ebay.com | |
| 4. | Canon 1300D | 4/5 | o | 4/5 | 73/100 | 4/5 | 4/5 | Mar 2016 | EUR 449 | ebay.com | |
| 5. | Canon 2000D | 3/5 | o | 3.5/5 | .. | 3.5/5 | 3.5/5 | Feb 2018 | EUR 499 | amazon.com | |
| 6. | Canon G9 X | 3.5/5 | + + | .. | .. | 4.5/5 | 4.5/5 | Oct 2015 | EUR 499 | ebay.com | |
| 7. | Canon M100 | 3/5 | + | .. | .. | 4/5 | 3.5/5 | Aug 2017 | EUR 479 | ebay.com | |
| 8. | Canon S120 | .. | + + | .. | .. | 4.5/5 | 4.5/5 | Aug 2013 | EUR 499 | ebay.com | |
| 9. | Canon SX70 | .. | + + | 3.5/5 | .. | 3.5/5 | 3.5/5 | Sep 2018 | EUR 549 | amazon.com | |
| 10. | Canon SX620 | .. | .. | .. | .. | .. | 4/5 | May 2016 | EUR 269 | ebay.com | |
| 11. | Sony A7 II | 5/5 | + | 4/5 | 82/100 | 4.5/5 | 5/5 | Nov 2014 | EUR 2 099 | ebay.com | |
| 12. | Sony A7 IV | 5/5 | + + | 4.5/5 | 89/100 | 4.5/5 | 4.5/5 | Oct 2021 | EUR 2 799 | amazon.com | |
| 13. | Sony A7C | 3.5/5 | .. | 3.5/5 | 86/100 | 4/5 | 4/5 | Sep 2020 | EUR 2 099 | amazon.com | |
| 14. | Sony A7R | 5/5 | + + | .. | 82/100 | 4.5/5 | 5/5 | Oct 2013 | EUR 2 099 | ebay.com | |
| 15. | Sony HX95 | .. | .. | .. | .. | .. | .. | Aug 2018 | EUR 499 | ebay.com | |
| 16. | Sony HX99 | .. | .. | .. | .. | 4/5 | 4.5/5 | Aug 2018 | EUR 519 | ebay.com | |
| 17. | Sony ZV-E1 | .. | + | 4/5 | .. | .. | 4.5/5 | Mar 2023 | EUR 2 699 | amazon.com | |
| Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. | |||||||||||
The review scores listed above should be treated with care, 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Check G9X Mark II offers at
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Other camera comparisons
Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon G9 X Mark II vs Canon T2i
- Canon G9 X Mark II vs Canon T7i
- Canon G9 X Mark II vs Fujifilm X10
- Canon G9 X Mark II vs Olympus E-PL10
- Canon G9 X Mark II vs Sony HX99
- Canon G9 X Mark II vs Sony RX100 VI
- Canon R100 vs Sony A7C II
- Leica M11 vs Sony A7C II
- Nikon D700 vs Sony A7C II
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- Panasonic G9 vs Sony A7C II
- Panasonic TZ95 vs Sony A7C II
Specifications: Canon G9 X Mark II vs Sony A7C 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 Model | Canon G9 X Mark II | Sony A7C II |
|---|---|---|
| Camera Type | Fixed lens compact camera | Mirrorless system camera |
| Camera Lens | 28-84mm f/2.0-4.9 | Sony E mount lenses |
| Launch Date | January 2017 | August 2023 |
| Launch Price | USD 529 | USD 2,199 |
| Sensor Specs | Canon G9 X Mark II | Sony A7C II |
| Sensor Technology | BSI-CMOS | BSI-CMOS |
| Sensor Format | 1" Sensor | Full Frame Sensor |
| Sensor Size | 13.2 x 8.8 mm | 35.9 x 23.9 mm |
| Sensor Area | 116.16 mm2 | 858.01 mm2 |
| Sensor Diagonal | 15.9 mm | 43.1 mm |
| Crop Factor | 2.7x | 1.0x |
| Sensor Resolution | 20 Megapixels | 32.7 Megapixels |
| Image Resolution | 5472 x 3648 pixels | 7008 x 4672 pixels |
| Pixel Pitch | 2.41 μm | 5.12 μm |
| Pixel Density | 17.18 MP/cm2 | 3.82 MP/cm2 |
| Moiré control | Anti-Alias filter | no AA filter |
| Movie Capability | 1080/60p Video | 4K/60p Video |
| ISO Setting | 125 - 12,800 ISO | 100 - 51,200 ISO |
| ISO Boost | no Enhancement | 50 - 204,800 ISO |
| Image Processor | DIGIC 7 | BIONZ XR |
| DXO Sensor Quality (score) | 65 | .. |
| DXO Color Depth (bits) | 21.9 | .. |
| DXO Dynamic Range (EV) | 12.5 | .. |
| DXO Low Light (ISO) | 522 | .. |
| Screen Specs | Canon G9 X Mark II | Sony A7C II |
| Viewfinder Type | no viewfinder | Electronic viewfinder |
| Viewfinder Field of View | 100% | |
| Viewfinder Magnification | 0.7x | |
| Viewfinder Resolution | 2360k dots | |
| LCD Framing | Live View | Live View |
| Rear LCD Size | 3.0inch | 3.0inch |
| LCD Resolution | 1040k dots | 1037k dots |
| LCD Attachment | Fixed screen | Swivel screen |
| Touch Input | Touchscreen | Touchscreen |
| Shooting Specs | Canon G9 X Mark II | Sony A7C II |
| Focus System | Contrast-detect AF | On-Sensor Phase-detect |
| Manual Focusing Aid | Focus Peaking | Focus Peaking |
| Max Shutter Speed (mechanical) | 1/2000s | 1/4000s |
| Continuous Shooting | 8.2 shutter flaps/s | 10 shutter flaps/s |
| Electronic Shutter | no E-Shutter | up to 1/8000s |
| Time-Lapse Photography | Intervalometer built-in | Intervalometer built-in |
| Image Stabilization | Lens-based stabilization | In-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 | Single card slot |
| UHS card support | UHS-I | UHS-II |
| Connectivity Specs | Canon G9 X Mark II | Sony A7C II |
| External Flash | no Hotshoe | Hotshoe |
| USB Connector | USB 2.0 | USB 3.2 |
| HDMI Port | micro HDMI | micro HDMI |
| Microphone Port | no MIC socket | External MIC port |
| Headphone Socket | no Headphone port | Headphone port |
| Wifi Support | Wifi built-in | Wifi built-in |
| Near-Field Communication | NFC built-in | no NFC |
| Bluetooth Support | Bluetooth built-in | Bluetooth built-in |
| Body Specs | Canon G9 X Mark II | Sony A7C II |
| Environmental Sealing | not weather sealed | Weathersealed body |
| Battery Type | Canon NB-13L | Sony NP-FZ100 |
| Battery Life (CIPA) | 235 shots per charge | 540 shots per charge |
| In-Camera Charging | USB charging | USB charging |
| Body Dimensions |
98 x 58 x 31 mm (3.9 x 2.3 x 1.2 in) |
124 x 71 x 63 mm (4.9 x 2.8 x 2.5 in) |
| Camera Weight | 206 g (7.3 oz) | 514 g (18.1 oz) |

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