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Canon G1 X Mark II vs Sony A77

The Canon PowerShot G1 X Mark II and the Sony Alpha SLT-A77 are two enthusiast cameras that were officially introduced, respectively, in February 2014 and August 2011. The G1X Mark II is a fixed lens compact, while the A77 is a DSLR. The cameras are based on an 1.5-inch (G1X Mark II) and an APS-C (A77) sensor. The Canon has a resolution of 13 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 G1 X Mark II VS Sony A77
Canon G1 X Mark II Sony A77
Fixed lens compact camera Digital single lens reflex
24-120mm f/2.0-3.9 Sony A mount lenses
13 MP, 1.5" Sensor 24 MP, APS-C Sensor
1080/30p Video 1080/60p Video
ISO 100-12800 ISO 100-16000 (50-25600)
Viewfinder optional Electronic viewfinder (2359k dots)
3.0" LCD, 1040k dots 3.0" LCD, 921k dots
Tilting touchscreen Fully flexible screen (no touchscreen)
5.2 shutter flaps per second 12 shutter flaps per second
Lens-based stabilizationIn-body stabilization
Not weather sealedWeathersealed body
240 shots per battery charge470 shots per battery charge
116 x 74 x 66 mm, 553 g 143 x 104 x 81 mm, 732 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G1 X Mark II and the Sony Alpha SLT-A77? 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

An illustration of the physical size and weight of the Canon G1 X Mark II and the Sony A77 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

Size Canon G1 X Mark II vs Sony A77
Compare G1X Mark II versus A77 top
Comparison G1X Mark II or A77 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A77 is considerably larger (73 percent) than the Canon G1 X Mark II. It is noteworthy in this context that the A77 is splash and dust-proof, while the G1X Mark II does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G1X Mark II has a lens built in, whereas the A77 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 G1X Mark II gets 240 shots out of its NB-12L battery, while the A77 can take 470 images on a single charge of its NP-FM500H power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Canon G1 X Mark II» 4.6 in 2.9 in 2.6 in 19.5 oz 240 n Feb 2014 799 iCanon G1 X Mark II
 
Sony A77« 5.6 in 4.1 in 3.2 in 25.8 oz 470 Y Aug 2011 1,399iSony A77
 
Canon T6i« » 5.2 in 4.0 in 3.1 in 19.6 oz 440 n Feb 2015 749iCanon T6i
 
Canon T6s« » 5.2 in 4.0 in 3.1 in 19.9 oz 440 n Feb 2015 649iCanon T6s
 
Canon XC10« » 4.9 in 4.0 in 4.8 in 36.7 oz .. n Apr 2015 2,499iCanon XC10
 
Canon SX60« » 5.0 in 3.7 in 4.5 in 22.9 oz 340 n Sep 2014 549iCanon SX60
 
Canon G16« » 4.3 in 3.0 in 1.6 in 12.6 oz 360 n Aug 2013 549 iCanon G16
 
Canon S120« » 3.9 in 2.3 in 1.1 in 7.7 oz 230 n Aug 2013 449iCanon S120
 
Canon G1 X« » 4.6 in 3.2 in 2.6 in 18.8 oz 250 n Jan 2012 799iCanon G1 X
 
Canon T1i« » 5.1 in 3.9 in 2.4 in 18.3 oz 400 n Mar 2009 799iCanon T1i
 
Canon XSi« » 5.1 in 3.9 in 2.4 in 18.5 oz 500 n Jan 2008 799iCanon XSi
 
Panasonic LX100« » 4.5 in 2.6 in 2.2 in 13.9 oz 300 n Sep 2014 899 iPanasonic LX100
 
Pentax K-3« » 5.2 in 3.9 in 3.0 in 28.2 oz 560 Y Oct 2013 1,299iPentax K-3
 
Sony A6500« » 4.7 in 2.6 in 2.1 in 16.0 oz 350 Y Oct 2016 1,399iSony A6500
 
Sony A7 II« » 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999iSony A7 II
 
Sony A77 II« » 5.6 in 4.1 in 3.2 in 22.8 oz 480 Y May 2014 1,199 iSony A77 II
 
Sony A99« » 5.8 in 4.4 in 3.1 in 28.6 oz 500 Y Sep 2012 2,799iSony A99
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G1X Mark II was launched at a lower price than the A77, 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.

 

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. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon G1 X Mark II features an 1.5-inch sensor and the Sony A77 an APS-C sensor. The sensor area in the A77 is 40 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.85 and 1.5. The sensor in the G1X Mark II has a native 4:3 aspect ratio, while the one in the A77 offers a 3:2 aspect.

Canon G1 X Mark II and Sony A77 sensor measures

With 24MP, the A77 offers a higher resolution than the G1X Mark II (13MP), but the A77 has smaller individual pixels (pixel pitch of 3.91μm versus 4.49μm for the G1X Mark II). Yet, the G1X Mark II is a much more recent model (by 2 years and 5 months) than the A77, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A77 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A77 for good quality output (200 dots per inch) amounts to 30 x 20 inch or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inch or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inch or 50.8 x 33.9 cm. The corresponding values for the Canon G1 X Mark II are 20.8 x 15.6 inch or 52.8 x 39.6 cm for good quality, 16.6 x 12.5 inch or 42.3 x 31.7 cm for very good quality, and 13.9 x 10.4 inch or 35.2 x 26.4 cm for excellent quality prints.

The Canon PowerShot G1 X Mark II has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Sony Alpha SLT-A77 are ISO 100 to ISO 16000, with the possibility to increase the ISO range to 50-25600.

G1X Mark II versus A77 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the A77 offers substantially better image quality than the G1X Mark II (overall score 20 points higher). The advantage is based on 2.5 bits higher color depth, 2.4 EV in additional dynamic range, and 0.5 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
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Canon G1 X Mark II 1.5-inch 13.0 4160 31201080/30p21.510.858158Canon G1 X Mark II
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178Sony A77
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971Canon T6i
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570Canon T6s
 
Canon XC10 1-inch 12.0 4000 30004K/30p........Canon XC10
 
Canon SX60 1/2.3 14.2 4608 30721080/60p19.210.812739Canon SX60
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.723054Canon G16
 
Canon S120 1/1.7 12.0 4000 30001080/60p21.311.924656Canon S120
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.864460Canon G1 X
 
Canon T1i APS-C 15.1 4752 31681080/20p21.711.566363Canon T1i
 
Canon XSi APS-C 12.2 4272 2848none21.910.869261Canon XSi
 
Panasonic LX100 Four Thirds 12.7 4112 30884K/30p22.312.555367Panasonic LX100
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680Pentax K-3
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585Sony A6500
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
 
Sony A77 II APS-C 24.0 6000 40001080/60p........Sony A77 II
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589Sony A99

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A77 provides a faster frame rate than the G1X Mark II. It can shoot movie footage at 1080/60p, while the Canon is limited to 1080/30p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A77 has an electronic viewfinder (2359k dots), which can be very helpful when shooting in bright sunlight. In contrast, the G1X Mark II relies on live view and the rear LCD for framing. That said, the G1X Mark II can be equipped with an optional viewfinder – the EVF-DC1. The table below summarizes some of the other core capabilities of the Canon G1 X Mark II and Sony A77 in connection with corresponding information for a sample of similar cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Canon G1 X Mark IIoptional n 3.0 1040 tilting Y 1/4000s 5.2 Y Y Canon G1 X Mark II
 
Sony A772359 Y 3.0 921 full-flex n 1/8000s 12.0 Y Y Sony A77
 
Canon T6ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T6i
 
Canon T6soptical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T6s
 
Canon XC10none n 3.0 1030 tilting Y 1/2000s 3.8 n Y Canon XC10
 
Canon SX60922 n 3.0 922 swivel n 1/2000s 6.4 Y Y Canon SX60
 
Canon G16optical n 3.0 922 fixed n 1/4000s 2.2 Y Y Canon G16
 
Canon S120none n 3.0 922 fixed Y 1/2000s 12.1 Y Y Canon S120
 
Canon G1 Xoptical n 3.0 922 Swivel n 1/4000s 1.9 Y Y Canon G1 X
 
Canon T1ioptical n 3.0 920 fixed n 1/4000s 3.4 Y n Canon T1i
 
Canon XSioptical n 3.0 230 fixed n 1/4000s 3.5 Y n Canon XSi
 
Panasonic LX1002764 n 3.0 921 fixed n 1/4000s 11.0 n Y Panasonic LX100
 
Pentax K-3optical Y 3.2 1037 fixed n 1/8000s 8.3 Y Y Pentax K-3
 
Sony A65002359 n 3.0 922 tilting Y 1/4000s 11.0 Y Y Sony A6500
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II
 
Sony A77 II2359 Y 3.0 1229 full-flex n 1/8000s 12.0 Y Y Sony A77 II
 
Sony A992359 Y 3.0 1229 full-flex n 1/8000s 6.0 n Y Sony A99

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G1X Mark II has a touchscreen, while the A77 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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

The G1X Mark II writes its imaging data to SDXC cards, while the A77 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 G1 X Mark II and Sony Alpha SLT-A77 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Canon G1 X Mark IIYstereomono--mini2.0YY-Canon G1 X Mark II
 
Sony A77YstereomonoY-mini2.0---Sony A77
 
Canon T6iYstereomonoY-mini2.0YY-Canon T6i
 
Canon T6sYstereomonoY-mini2.0YY-Canon T6s
 
Canon XC10YstereomonoYYmini2.0YY-Canon XC10
 
Canon SX60YstereomonoY-mini2.0YY-Canon SX60
 
Canon G16Ystereomono--mini2.0Y--Canon G16
 
Canon S120-stereomono--mini2.0Y--Canon S120
 
Canon G1 XYstereomono--mini2.0---Canon G1 X
 
Canon T1iYmonomono--mini2.0---Canon T1i
 
Canon XSiYnonenone--mini2.0---Canon XSi
 
Panasonic LX100Ystereomono--micro2.0YY-Panasonic LX100
 
Pentax K-3YmonomonoYYmini3.0---Pentax K-3
 
Sony A6500YstereomonoY-micro2.0YY-Sony A6500
 
Sony A7 IIYstereomonoYYmicro2.0YY-Sony A7 II
 
Sony A77 IIYstereomonoY-mini2.0YY-Sony A77 II
 
Sony A99YstereomonoYYmini2.0---Sony A99

It is notable that the G1X Mark II offers wifi support, while the A77 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 A77 (unlike the G1X 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 A77 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The G1X Mark II is a recent model that features in the current product line-up of Canon. In contrast, the A77 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the A77 was succeeded by the Sony A77 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Sony websites.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Canon G1 X Mark II or the Sony A77 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Canon PowerShot G1 X Mark II:

  • 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.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Comes with a built-in lens, while the A77 requires a separate lens.
  • More compact: Is smaller (116x74mm vs 143x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A77).
  • 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.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 2 years and 5 months of technical progress since the A77 launch.

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Advantages of the Sony Alpha SLT-A77:

  • More detail: Has more megapixels (24 vs 13MP), which boosts linear resolution by 39%.
  • Better image quality: Scores substantially higher (20 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.5 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.4 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.5 stops ISO advantage).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
  • Better sound: Can connect to an external microphone for higher quality sound 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 flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 5.2 flaps/sec) to capture the decisive moment.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • Longer lasting: Gets more shots (470 versus 240) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • 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.
  • More heavily discounted: Has been around for much longer (launched in August 2011).

If the count of relative strengths (bullet points above) is taken as a measure, the A77 is the clear winner of the contest (18 : 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. 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.

G1X Mark II 10:18 A77

How about other alternatives? Do the specifications of the Canon G1 X Mark II and the Sony A77 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the G1X Mark II or the A77. 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 where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Canon G1 X Mark II+77/1004/54/54.5/5 Feb 2014 799 iCanon G1 X Mark II
 
Sony A7791/10081/100..4.5/55/5 Aug 2011 1,399iSony A77
 
Canon T6i..75/1004.5/54.5/54.5/5 Feb 2015 749iCanon T6i
 
Canon T6s+77/1004.5/54.5/54.5/5 Feb 2015 649iCanon T6s
 
Canon XC10..80/100...... Apr 2015 2,499iCanon XC10
 
Canon SX60+ +75/1004/5..4.5/5 Sep 2014 549iCanon SX60
 
Canon G16+..4.5/54.5/54.5/5 Aug 2013 549 iCanon G16
 
Canon S120+ +..4.5/5o4.5/5 Aug 2013 449iCanon S120
 
Canon G1 X+76/1004/54/54.5/5 Jan 2012 799iCanon G1 X
 
Canon T1i+ +74/1004.5/55/54.5/5 Mar 2009 799iCanon T1i
 
Canon XSi+ ++ +4/55/54.5/5 Jan 2008 799iCanon XSi
 
Panasonic LX100+ +85/1005/54/55/5 Sep 2014 899 iPanasonic LX100
 
Pentax K-3..83/1005/54.5/55/5 Oct 2013 1,299iPentax K-3
 
Sony A6500+ +85/1004.5/55/54.5/5 Oct 2016 1,399iSony A6500
 
Sony A7 II+82/1004.5/55/55/5 Nov 2014 1,999iSony A7 II
 
Sony A77 II..80/1004.5/54/55/5 May 2014 1,199 iSony A77 II
 
Sony A99..84/1004.5/5o4.5/5 Sep 2012 2,799iSony A99
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted 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. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Canon G1 X Mark II:
Check Amazon price
Sony A77:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon G1 X Mark II vs Sony A77

    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 G1 X Mark II Sony A77
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 24-120mm f/2.0-3.9 Sony A mount lenses
    Launch Date February 2014 August 2011
    Launch Price USD 799 USD 1399
    Sensor Specs Canon G1 X Mark II Sony A77
    Sensor Technology CMOS CMOS
    Sensor Format 1.5" Sensor APS-C Sensor
    Sensor Size 18.7 x 14.0 mm 23.5 x 15.6 mm
    Sensor Area 261.8 mm2 366.6 mm2
    Sensor Diagonal 23.4 mm 28.2 mm
    Crop Factor 1.85x 1.5x
    Sensor Resolution 13 Megapixels 24 Megapixels
    Image Resolution 4160 x 3120 pixels 6000 x 4000 pixels
    Pixel Pitch 4.49 μm 3.91 μm
    Pixel Density 4.96 MP/cm2 6.55 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 1080/60p Video
    ISO Setting 100-12800 ISO 100-16000 ISO
    ISO Boost no Enhancement 50-25600 ISO
    Image Processor DIGIC 6 BIONZ X
    DXO Sensor Quality (score) 58 78
    DXO Color Depth (bits) 21.5 24.0
    DXO Dynamic Range (EV) 10.8 13.2
    DXO Low Light (ISO) 581 801
    Screen Specs Canon G1 X Mark II Sony A77
    Viewfinder Type Viewfinder optional Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.73x
    Viewfinder Resolution 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 921k dots
    LCD Attachment Tilting screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon G1 X Mark II Sony A77
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/8000/s
    Continuous Shooting 5.2 shutter flaps/s 12 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Build-in Flash Build-in 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 G1 X Mark II Sony A77
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Geotagging no internal GPS GPS built-in
    Body Specs Canon G1 X Mark II Sony A77
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type NB-12L NP-FM500H
    Battery Life (CIPA)240 shots per charge470 shots per charge
    Body Dimensions 116 x 74 x 66 mm
    (4.6 x 2.9 x 2.6 in)
    143 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 553 g (19.5 oz) 732 g (25.8 oz)

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