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Canon G7 X Mark II vs Sony A7S

The Canon PowerShot G7 X Mark II and the Sony Alpha A7S are two digital cameras that were officially introduced, respectively, in February 2016 and April 2014. The G7X Mark II is a fixed lens compact, while the A7S is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (G7X Mark II) and a full frame (A7S) sensor. The Canon has a resolution of 20 megapixels, whereas the Sony provides 12 MP.

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

Headline Specifications
Canon G7 X Mark II
versus
Sony A7S
Canon G7 X Mark II   Sony A7S
Fixed lens compact camera Mirrorless system camera
24-100mm f/1.8-2.8 Sony E mount lenses
20 MP – 1" sensor 12 MP – Full Frame sensor
1080/60p Video 1080/60p Video
ISO 125-12,800 (125 - 25,600) ISO 100-102,400 (50 - 409,600)
No viewfinder, LCD framing Electronic viewfinder (2400k dots)
3.0" LCD – 1040k dots 3.0" LCD – 921k dots
Tilting touchscreen Tilting screen (no touchscreen)
8 shutter flaps per second 5 shutter flaps per second
not weather sealedWeathersealed body
265 shots per battery charge380 shots per battery charge
106 x 61 x 42 mm, 319 g 127 x 94 x 48 mm, 489 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G7 X Mark II and the Sony Alpha A7S? 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 G7 X Mark II and the Sony A7S. 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 width, height and depth dimensions are rounded to the nearest millimeter.

Size Canon G7 X Mark II vs Sony A7S
Compare G7X Mark II versus A7S top
Comparison G7X Mark II or A7S rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7S is considerably larger (85 percent) than the Canon G7 X Mark II. It is noteworthy in this context that the A7S is splash and dust-proof, while the G7X 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 G7X Mark II has a lens built in, whereas the A7S 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 A7S and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the G7X Mark II gets 265 shots out of its NB-13L battery, while the A7S can take 380 images on a single charge of its NP-FW50 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras 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 G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699ebay.com
2.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 2,499ebay.com
3.
 
Canon G7 X Mark III 105 mm 61 mm 41 mm 304 g 235 n Jul 2019 749 amazon.com
4.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799ebay.com
5.
 
Canon G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529ebay.com
6.
 
Canon M3 111 mm 68 mm 44 mm 366 g 250 n Feb 2015 679ebay.com
7.
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699ebay.com
8.
 
Nikon Df 144 mm 110 mm 67 mm 760 g 1400 Y Nov 2013 2,749ebay.com
9.
 
Panasonic LX10 106 mm 60 mm 42 mm 310 g 260 n Sep 2016 699 amazon.com
10.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999ebay.com
11.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999ebay.com
12.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999ebay.com
13.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999ebay.com
14.
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 799ebay.com
15.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 1,699ebay.com
16.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 2,299ebay.com
17.
 
Sony RX100 II 102 mm 58 mm 38 mm 281 g 350 n Jun 2013 749ebay.com
Note: 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 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 G7X Mark II was launched at a lower price than the A7S, 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 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. 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 G7 X Mark II features an one-inch sensor and the Sony A7S a full frame sensor. The sensor area in the A7S is 638 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 G7 X Mark II and Sony A7S sensor measures

Despite having a smaller sensor, the Canon G7 X Mark II offers a higher resolution of 20 megapixels, compared with 12 MP of the Sony A7S. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 2.41μm versus 8.45μm for the A7S). However, it should be noted that the G7X Mark II is a somewhat more recent model (by 1 year and 10 months) than the A7S, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage.

The resolution advantage of the Canon G7 X Mark II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G7X Mark II for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Sony A7S are 21.2 x 14.2 inches or 53.8 x 36 cm for good quality, 17 x 11.3 inches or 43.1 x 28.8 cm for very good quality, and 14.1 x 9.4 inches or 35.9 x 24 cm for excellent quality prints.

The Canon PowerShot G7 X Mark II has a native sensitivity range from ISO 125 to ISO 12800, which can be extended to ISO 125-25600. The corresponding ISO settings for the Sony Alpha A7S are ISO 100 to ISO 102400, with the possibility to increase the ISO range to 50-409600.

In terms of underlying technology, the G7X Mark II is build around a BSI-CMOS sensor, while the A7S 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.

G7X Mark II versus A7S MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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 G7 X Mark II 1-inch 20.0 5472 36481080/60p21.811.926062
2.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287
3.
 
Canon G7 X Mark III 1-inch 20.0 5472 36484K/30p22.212.458365
4.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p21.811.922761
5.
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
6.
 
Canon M3 APS-C 24.0 6000 40001080/30p22.811.8116972
7.
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
8.
 
Nikon Df Full Frame 16.2 4928 3280none24.613.1327989
9.
 
Panasonic LX10 1-inch 20.0 5472 36484K/30p21.912.031562
10.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
11.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
12.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
13.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
14.
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
15.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
16.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
17.
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (1080/60p).

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A7S has an electronic viewfinder (2400k dots), which can be very helpful when shooting in bright sunlight. In contrast, the G7X 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 G7 X Mark II and Sony A7S 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
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 G7 X Mark IInone n3.0 / 1040 tilting Y 1/2000s 8.0/s Y Y
2.
 
Sony A7S2400 n3.0 / 921 tilting n 1/8000s 5.0/s n n
3.
 
Canon G7 X Mark IIInone n3.0 / 1040 tilting Y 1/2000s 30/s Y Y
4.
 
Canon G5 X2360 n3.0 / 1040 swivel Y 1/2000s 5.9/s Y Y
5.
 
Canon G9 Xnone n3.0 / 1040 fixed Y 1/2000s 6.0/s Y Y
6.
 
Canon M3optional n3.0 / 1040 tilting Y 1/4000s 4.2/s Y n
7.
 
Canon G7 Xnone n3.0 / 1040 tilting Y 1/2000s 6.5/s Y Y
8.
 
Nikon Dfoptical Y3.2 / 921 fixed n 1/4000s 5.5/s n n
9.
 
Panasonic LX10none n3.0 / 1040 tilting Y 1/4000s 10.0/s Y Y
10.
 
Sony RX100 V2359 n3.0 / 1229 tilting n 1/2000s 24.0/s Y Y
11.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
12.
 
Sony RX100 IV2359 n3.0 / 1228 tilting n 1/2000s 16.0/s Y Y
13.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
14.
 
Sony RX100 III1440 n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
15.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
16.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
17.
 
Sony RX100 IIoptional n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
Notes: *) 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 G7X Mark II has one, while the A7S does not. While the built-in flash of the G7X Mark II is not very powerful, it can at times be useful as a fill-in light.

The G7X Mark II has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the A7S 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 A7S 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 G7 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 G7X Mark II writes its imaging data to SDXC cards, while the A7S uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of 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 G7 X Mark II and Sony Alpha A7S 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
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon G7 X Mark II-stereo / mono--micro2.0YY-
2.
 
Sony A7SYstereo / monoYYmicro2.0YY-
3.
 
Canon G7 X Mark III-stereo / monoY-micro3.1Y-Y
4.
 
Canon G5 XYstereo / mono--mini2.0YY-
5.
 
Canon G9 X-stereo / mono--micro2.0YY-
6.
 
Canon M3Ystereo / monoY-mini2.0YY-
7.
 
Canon G7 X-stereo / mono--micro2.0YY-
8.
 
Nikon DfY- / ---mini2.0---
9.
 
Panasonic LX10-stereo / mono--micro2.0Y--
10.
 
Sony RX100 V-stereo / mono--micro2.0YY-
11.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
12.
 
Sony RX100 IV-stereo / mono--micro2.0YY-
13.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
14.
 
Sony RX100 III-stereo / mono--micro2.0YY-
15.
 
Sony A7Ystereo / monoYYmicro2.0YY-
16.
 
Sony A7RYstereo / monoYYmicro2.0YY-
17.
 
Sony RX100 IIYstereo / mono--micro2.0YY-

It is notable that the A7S has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The G7X Mark II does not feature such a mic input.

Both the G7X Mark II and the A7S have been discontinued, but can regularly be found used on ebay. The A7S was replaced by the Sony A7S II, while the G7X Mark II was followed by the Canon G7 X Mark III. Further information on the features and operation of the G7X Mark II and A7S can be found, respectively, in the Canon G7 X Mark II Manual (free pdf) or the online Sony A7S Manual.

Review summary

So how do things add up? Is there a clear favorite between the Canon G7 X Mark II and the Sony A7S? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Canon PowerShot G7 X Mark II:

  • More detail: Offers more megapixels (20 vs 12MP) with a 29% higher linear resolution.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 921k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (8 vs 5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Has a lens built-in, whereas the A7S requires a separate lens.
  • More compact: Is smaller (106x61mm vs 127x94mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A7S).
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Is somewhat more recent (announced 1 year and 10 months after the A7S).

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Arguments in favor of the Sony Alpha A7S:

  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • 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.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • 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 (380 versus 265) 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.
  • More heavily discounted: Has been on the market for longer (launched in April 2014).

If the count of relative strengths (bullet points above) is taken as a measure, the A7S comes out slightly ahead of the G7X Mark II (14 : 13 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

G7X Mark II 13:14 A7S

How about other alternatives? Do the specifications of the Canon G7 X Mark II and the Sony A7S 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 comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the G7X Mark II and the A7S 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 why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon G7 X Mark II4.5/5+ +..81/1004.5/54.5/5 Feb 2016 699ebay.com
2.
 
Sony A7S4/5....86/1004.5/55/5 Apr 2014 2,499ebay.com
3.
 
Canon G7 X Mark III..+ +4/581/1004/5.. Jul 2019 749 amazon.com
4.
 
Canon G5 X5/5+ +..78/1004.5/54.5/5 Oct 2015 799ebay.com
5.
 
Canon G9 X3.5/5+ +....4.5/54.5/5 Oct 2015 529ebay.com
6.
 
Canon M34/5o..75/1004.5/54/5 Feb 2015 679ebay.com
7.
 
Canon G7 X4/5+ +..77/1004.5/54.5/5 Sep 2014 699ebay.com
8.
 
Nikon Df4/5....81/1004/54/5 Nov 2013 2,749ebay.com
9.
 
Panasonic LX10..+ +4/581/1004/54.5/5 Sep 2016 699 amazon.com
10.
 
Sony RX100 V4.5/5+ +..83/1004/54.5/5 Oct 2016 999ebay.com
11.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 2,999ebay.com
12.
 
Sony RX100 IV4.5/5+ +..85/1004/54.5/5 Jun 2015 999ebay.com
13.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999ebay.com
14.
 
Sony RX100 III5/5+ +..82/1004.5/55/5 May 2014 799ebay.com
15.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 1,699ebay.com
16.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 2,299ebay.com
17.
 
Sony RX100 II5/5+ +..79/1004.5/54.5/5 Jun 2013 749ebay.com
Notes: (+ +) 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.

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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. 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 G7 X Mark II vs Sony A7S

    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 G7 X Mark II Sony A7S
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 24-100mm f/1.8-2.8 Sony E mount lenses
    Launch Date February 2016 April 2014
    Launch Price USD 699 USD 2,499
    Sensor Specs Canon G7 X Mark II Sony A7S
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1" Sensor Full Frame Sensor
    Sensor Size 13.2 x 8.8 mm 35.8 x 23.9 mm
    Sensor Area 116.16 mm2 855.62 mm2
    Sensor Diagonal 15.9 mm 43 mm
    Crop Factor 2.7x 1.0x
    Sensor Resolution 20 Megapixels 12 Megapixels
    Image Resolution 5472 x 3648 pixels 4240 x 2832 pixels
    Pixel Pitch 2.41 μm 8.45 μm
    Pixel Density 17.18 MP/cm2 1.40 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 - 102,400 ISO
    ISO Boost 125 - 25,600 ISO 50 - 409,600 ISO
    Image Processor DIGIC 7 BIONZ X
    DXO Sensor Quality (score) .. 87
    DXO Color Depth (bits) .. 23.9
    DXO Dynamic Range (EV) .. 13.2
    DXO Low Light (ISO) .. 3702
    Screen Specs Canon G7 X Mark II Sony A7S
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.71x
    Viewfinder Resolution 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 921k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon G7 X Mark II Sony A7S
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/8000s
    Continuous Shooting 8 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Canon G7 X Mark II Sony A7S
    External Flash no Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    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 NFC built-in
    Body Specs Canon G7 X Mark II Sony A7S
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type NB-13L NP-FW50
    Battery Life (CIPA)265 shots per charge380 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 106 x 61 x 42 mm
    (4.2 x 2.4 x 1.7 in)
    127 x 94 x 48 mm
    (5.0 x 3.7 x 1.9 in)
    Camera Weight 319 g (11.3 oz) 489 g (17.2 oz)
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    Check A7S offers at
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