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Canon G1 X vs Sony A99

The Canon PowerShot G1 X and the Sony Alpha SLT-A99 are two digital cameras that were announced, respectively, in January 2012 and September 2012. The G1X is a fixed lens compact, while the A99 is a DSLR. The cameras are based on an 1.5-inch (G1X) and a full frame (A99) sensor. The Canon has a resolution of 14.2 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
versus
Sony A99
Canon G1 X   Sony A99
Fixed lens compact camera Digital single lens reflex
28-112mm f/2.8-5.8 Sony A mount lenses
14.2 MP – 1.5" sensor 24 MP – Full Frame sensor
1080/24p Video 1080/60p Video
ISO 100-12,800 ISO 100-25,600
Optical viewfinder Electronic viewfinder (2359k dots)
3.0" LCD – 922k dots 3.0" LCD – 1229k dots
Swivel screen (not touch-sensitive) Fully flexible screen (no touchscreen)
1.9 shutter flaps per second 6 shutter flaps per second
Lens-based stabilizationIn-body stabilization
not weather sealedWeathersealed body
250 shots per battery charge500 shots per battery charge
117 x 81 x 65 mm, 534 g 147 x 111 x 78 mm, 812 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G1 X 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

The physical size and weight of the Canon G1 X and the Sony A99 are illustrated in the side-by-side display below. 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.

Size Canon G1 X vs Sony A99
Compare G1X versus A99 top
Comparison G1X 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 (72 percent) than the Canon G1 X. It is noteworthy in this context that the A99 is splash and dust-proof, while the G1X does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G1X 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 G1X gets 250 shots out of its Canon NB-10L battery, while the A99 can take 500 images on a single charge of its Sony NP-FM500H power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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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 G1 X 117 mm 81 mm 65 mm 534 g 250 n Jan 2012 799ebay.com
2.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799ebay.com
3.
 
Canon G1 X Mark II 116 mm 74 mm 66 mm 553 g 240 n Feb 2014 799ebay.com
4.
 
Canon G16 109 mm 76 mm 40 mm 356 g 360 n Aug 2013 549ebay.com
5.
 
Canon S120 100 mm 59 mm 29 mm 217 g 230 n Aug 2013 449ebay.com
6.
 
Canon 650D 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849ebay.com
7.
 
Canon SX50 123 mm 87 mm 106 mm 595 g 315 n Sep 2012 429ebay.com
8.
 
Canon 1100D 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 449ebay.com
9.
 
Canon 500D 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 799ebay.com
10.
 
Canon 450D 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 799ebay.com
11.
 
Leica V-LUX 4 125 mm 87 mm 110 mm 588 g 540 n Sep 2012 949ebay.com
12.
 
Leica V-LUX 3 124 mm 81 mm 95 mm 540 g 410 n Dec 2011 949ebay.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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G1X 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 size of the sensor inside a digital camera is one of the key determinants 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon G1 X features an 1.5-inch sensor and the Sony A99 a full frame sensor. The sensor area in the A99 is 225 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.85 and 1.0. The sensor in the G1X has a native 4:3 aspect ratio, while the one in the A99 offers a 3:2 aspect.

Canon G1 X and Sony A99 sensor measures

With 24MP, the A99 offers a higher resolution than the G1X (14.2MP), but the A99 nevertheless has larger individual pixels (pixel pitch of 5.96μm versus 4.30μm for the G1X) due to its larger sensor. Moreover, the A99 is a somewhat more recent model (by 8 months) than the G1X, and its sensor might 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 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 G1 X are 21.8 x 16.3 inches or 55.3 x 41.5 cm for good quality, 17.4 x 13.1 inches or 44.2 x 33.2 cm for very good quality, and 14.5 x 10.9 inches or 36.8 x 27.6 cm for excellent quality prints.

The Canon PowerShot G1 X has a native sensitivity range from ISO 100 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.

Technology-wise, both cameras are equipped with CMOS (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.

G1X versus A99 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 G1X (overall score 29 points higher). The advantage is based on 3.3 bits higher color depth, 3.2 EV in additional dynamic range, and 1.3 stops in additional low light sensitivity. 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.864460
2.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589
3.
 
Canon G1 X Mark II 1.5-inch 13.0 4160 31201080/30p21.510.858158
4.
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.723054
5.
 
Canon S120 1/1.7 12.0 4000 30001080/60p21.311.924656
6.
 
Canon 650D APS-C 17.9 5184 34561080/30p21.711.272262
7.
 
Canon SX50 1/2.3 12.0 4000 30001080/24p20.311.217947
8.
 
Canon 1100D APS-C 12.2 4272 2848720/30p21.911.075562
9.
 
Canon 500D APS-C 15.1 4752 31681080/20p21.711.566363
10.
 
Canon 450D APS-C 12.2 4272 2848none21.910.869261
11.
 
Leica V-LUX 4 1/2.3 12.0 4000 30001080/60p19.811.150143
12.
 
Leica V-LUX 3 1/2.3 12.0 4000 30001080/60p19.711.043042
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 are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the A99 provides a faster frame rate than the G1X. It can shoot movie footage at 1080/60p, while the Canon is limited to 1080/24p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A99 has an electronic viewfinder (2359k dots), while the G1X has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The table below summarizes some of the other core capabilities of the Canon G1 X and Sony A99 in connection with corresponding information for a sample of similar cameras.

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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 G1 Xoptical n3.0 / 922 swivel n 1/4000s 1.9/s Y Y
2.
 
Sony A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0/s n Y
3.
 
Canon G1 X Mark IIoptional n3.0 / 1040 tilting Y 1/4000s 5.2/s Y Y
4.
 
Canon G16optical n3.0 / 922 fixed n 1/4000s 2.2/s Y Y
5.
 
Canon S120none n3.0 / 922 fixed Y 1/2000s 12.1/s Y Y
6.
 
Canon 650Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
7.
 
Canon SX50202 n3.0 / 461 swivel n 1/2000s 2.2/s Y Y
8.
 
Canon 1100Doptical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
9.
 
Canon 500Doptical n3.0 / 920 fixed n 1/4000s 3.4/s Y n
10.
 
Canon 450Doptical n3.0 / 230 fixed n 1/4000s 3.5/s Y n
11.
 
Leica V-LUX 41312 n3.0 / 460 swivel n 1/4000s 12.0/s Y Y
12.
 
Leica V-LUX 3202 n3.0 / 460 swivel n 1/2000s 12.0/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 G1X has one, while the A99 does not. While the built-in flash of the G1X is not very powerful, it can at times be useful as a fill-in light.

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 G1X 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 G1X only has one slot. The A99 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the G1X cannot take advantage of Ultra High Speed SD cards.

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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 G1 X 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 G1 XYstereo / mono--mini2.0---
2.
 
Sony A99Ystereo / monoYYmini2.0---
3.
 
Canon G1 X Mark IIYstereo / mono--mini2.0YY-
4.
 
Canon G16Ystereo / mono--mini2.0Y--
5.
 
Canon S120-stereo / mono--mini2.0Y--
6.
 
Canon 650DYstereo / monoY-mini2.0---
7.
 
Canon SX50Ystereo / mono--mini2.0---
8.
 
Canon 1100DYstereo / mono--mini2.0---
9.
 
Canon 500DYmono / mono--mini2.0---
10.
 
Canon 450DY- / ---mini2.0---
11.
 
Leica V-LUX 4Ystereo / monoY-mini2.0---
12.
 
Leica V-LUX 3Ystereo / ---mini2.0---
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 A99 has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The G1X does not feature such a mic input.

Studio photographers will appreciate that the Sony A99 (unlike the G1X) 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 G1X and the A99 have been discontinued, but can regularly be found used on ebay. The G1X was replaced by the Canon G1X Mark II, while the A99 was followed by the Sony A99. Further information on the features and operation of the G1X and A99 can be found, respectively, in the Canon G1 X Manual (free pdf) or the online Sony A99 Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Canon G1 X or the Sony A99 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Canon PowerShot G1 X:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Ready to shoot: Comes with a built-in lens, while the A99 requires a separate lens.
  • More compact: Is smaller (117x81mm 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 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 heavily discounted: Has been on the market for longer (launched in January 2012).

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Reasons to prefer the Sony Alpha SLT-A99:

  • More detail: Has more megapixels (24 vs 14.2MP), which boosts linear resolution by 33%.
  • Better image quality: Scores substantially higher (29 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.3 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (3.2 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.3 stops ISO advantage).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/24p).
  • 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.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 922k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (6 vs 1.9 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 (500 versus 250) 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.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Was introduced somewhat (8 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the A99 is the clear winner of the contest (21 : 7 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision 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.

G1X 07:21 A99

How about other alternatives? Do the specifications of the Canon G1 X 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 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 or the A99. 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.

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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 G1 X5/5+..76/1004/54.5/5 Jan 2012 799ebay.com
2.
 
Sony A995/5....84/1004.5/54.5/5 Sep 2012 2,799ebay.com
3.
 
Canon G1 X Mark II3/5+..77/1004/54.5/5 Feb 2014 799ebay.com
4.
 
Canon G164/5+....4.5/54.5/5 Aug 2013 549ebay.com
5.
 
Canon S120..+ +....4.5/54.5/5 Aug 2013 449ebay.com
6.
 
Canon 650D4/5+ +..77/1004.5/54.5/5 Jun 2012 849ebay.com
7.
 
Canon SX503/5+ +..72/1004.5/54.5/5 Sep 2012 429ebay.com
8.
 
Canon 1100D..80/100..69/1004/54.5/5 Feb 2011 449ebay.com
9.
 
Canon 500D..+ +..74/1004.5/54.5/5 Mar 2009 799ebay.com
10.
 
Canon 450D..+ +..+ +4/54.5/5 Jan 2008 799ebay.com
11.
 
Leica V-LUX 4............ Sep 2012 949ebay.com
12.
 
Leica V-LUX 3............ Dec 2011 949ebay.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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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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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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 a corresponding selection in the search boxes below. 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 G1 X 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 G1 X Sony A99
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 28-112mm f/2.8-5.8 Sony A mount lenses
    Launch Date January 2012 September 2012
    Launch Price USD 799 USD 2,799
    Sensor Specs Canon G1 X Sony A99
    Sensor Technology CMOS CMOS
    Sensor Format 1.5" Sensor Full Frame Sensor
    Sensor Size 18.7 x 14.0 mm 35.8 x 23.8 mm
    Sensor Area 261.8 mm2 852.04 mm2
    Sensor Diagonal 23.4 mm 43 mm
    Crop Factor 1.85x 1.0x
    Sensor Resolution 14.2 Megapixels 24 Megapixels
    Image Resolution 4352 x 3264 pixels 6000 x 4000 pixels
    Pixel Pitch 4.30 μm 5.96 μm
    Pixel Density 5.43 MP/cm2 2.82 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/24p Video 1080/60p Video
    ISO Setting 100 - 12,800 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 50 - 25,600 ISO
    Image Processor DIGIC 5 BIONZ X
    DXO Sensor Quality (score) 60 89
    DXO Color Depth (bits) 21.7 25.0
    DXO Dynamic Range (EV) 10.8 14.0
    DXO Low Light (ISO) 644 1555
    Screen Specs Canon G1 X Sony A99
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 74% 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 922k dots 1229k dots
    LCD Attachment Swivel screen Fully flexible screen
    Shooting Specs Canon G1 X Sony A99
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 1.9 shutter flaps/s 6 shutter flaps/s
    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 no UHS-I
    Connectivity Specs Canon G1 X Sony A99
    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
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi no Wifi
    Geotagging no internal GPS GPS built-in
    Body Specs Canon G1 X Sony A99
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon NB-10L Sony NP-FM500H
    Battery Life (CIPA)250 shots per charge500 shots per charge
    Body Dimensions 117 x 81 x 65 mm
    (4.6 x 3.2 x 2.6 in)
    147 x 111 x 78 mm
    (5.8 x 4.4 x 3.1 in)
    Camera Weight 534 g (18.8 oz) 812 g (28.6 oz)
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