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Canon G7 X Mark II vs Olympus E-P3

The Canon PowerShot G7 X Mark II and the Olympus PEN E-P3 are two digital cameras that were revealed to the public, respectively, in February 2016 and June 2011. The G7X Mark II is a fixed lens compact, while the E-P3 is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (G7X Mark II) and a Four Thirds (E-P3) sensor. The Canon has a resolution of 20 megapixels, whereas the Olympus provides 12.2 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   Olympus E-P3
Canon G7 X Mark II Olympus E-P3
Fixed lens compact camera Mirrorless system camera
24-100mm f/1.8-2.8 Micro Four Thirds lenses
20 MP, 1" Sensor 12.2 MP, Four Thirds Sensor
1080/60p Video 1080/60i Video
ISO 125-12800 (125-25600) ISO 200-12800
No viewfinder, LCD framing Viewfinder optional
3.0" LCD, 1040k dots 3.0" LCD, 614k dots
Tilting touchscreen Fixed touchscreen
8 shutter flaps per second 3 shutter flaps per second
Lens-based stabilizationIn-body stabilization
265 shots per battery charge330 shots per battery charge
106 x 61 x 42 mm, 319 g 122 x 69 x 34 mm, 369 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G7 X Mark II and the Olympus PEN E-P3? 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 Olympus E-P3. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

The E-P3 can be obtained in three different colors (black, silver, white), while the G7X Mark II is only available in black.

Size Canon G7 X Mark II vs Olympus E-P3
Compare G7X Mark II versus E-P3 top
Comparison G7X Mark II or E-P3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-P3 is notably larger (30 percent) than the Canon G7 X Mark II. In this context, it is worth noting that neither the G7X Mark II nor the E-P3 are weather-sealed.

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 E-P3 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 E-P3 and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the G7X Mark II gets 265 shots out of its NB-13L battery, while the E-P3 can take 330 images on a single charge of its BLS-5 power pack. The power pack in the G7X Mark II can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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)
Used
Price
(USD)
Camera
Model
 
Canon G7 X Mark II» 4.2 in 2.4 in 1.7 in 11.3 oz 265 n Feb 2016 699- i Canon G7 X Mark II
 
Olympus E-P3« 4.8 in 2.7 in 1.3 in 13.0 oz 330 n Jun 2011 799- i Olympus E-P3
 
Canon G7 X Mark III« » 4.1 in 2.4 in 1.6 in 10.7 oz 235 n Jul 2019 749 i i Canon G7 X Mark III
 
Canon G5 X« » 4.4 in 3.0 in 1.7 in 12.5 oz 210 n Oct 2015 799- i Canon G5 X
 
Canon G9 X« » 3.9 in 2.3 in 1.2 in 7.4 oz 220 n Oct 2015 529- i Canon G9 X
 
Canon M3« » 4.4 in 2.7 in 1.7 in 12.9 oz 250 n Feb 2015 679- i Canon M3
 
Canon G7 X« » 4.1 in 2.4 in 1.6 in 10.7 oz 210 n Sep 2014 699- i Canon G7 X
 
Olympus E-PL2« » 4.5 in 2.8 in 1.7 in 12.8 oz 280 n Jan 2011 599- i Olympus E-PL2
 
Olympus E-PL3« » 4.3 in 2.5 in 1.5 in 11.0 oz 300 n Jun 2011 599- i Olympus E-PL3
 
Olympus E-PL1« » 4.5 in 2.8 in 1.7 in 11.8 oz 290 n Feb 2010 599- i Olympus E-PL1
 
Olympus E-P1« » 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Jun 2009 799- i Olympus E-P1
 
Olympus E-P2« » 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Nov 2009 799- i Olympus E-P2
 
Panasonic LX10« » 4.2 in 2.4 in 1.7 in 10.9 oz 260 n Sep 2016 699 i i Panasonic LX10
 
Sony RX100 V« » 4.0 in 2.3 in 1.6 in 10.5 oz 220 n Oct 2016 999 i i Sony RX100 V
 
Sony RX100 IV« » 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999- i Sony RX100 IV
 
Sony RX100 III« » 4.0 in 2.3 in 1.6 in 10.2 oz 320 n May 2014 799- i Sony RX100 III
 
Sony RX100 II« » 4.0 in 2.3 in 1.5 in 9.9 oz 350 n Jun 2013 749- i Sony RX100 II
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 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 E-P3, 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.

 

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon G7 X Mark II features an one-inch sensor and the Olympus E-P3 a Four Thirds sensor. The sensor area in the E-P3 is 94 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 2.0. The sensor in the G7X Mark II has a native 3:2 aspect ratio, while the one in the E-P3 offers a 4:3 aspect.

Canon G7 X Mark II and Olympus E-P3 sensor measures

Despite having a smaller sensor, the Canon G7 X Mark II offers a higher resolution of 20 megapixels, compared with 12.2 MP of the Olympus E-P3. 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 4.29μm for the E-P3). However, it should be noted that the G7X Mark II is much more recent (by 4 years and 7 months) than the E-P3, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

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 inch or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inch or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inch or 46.3 x 30.9 cm. The corresponding values for the Olympus E-P3 are 20.2 x 15.1 inch or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inch or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inch or 34.1 x 25.6 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 Olympus PEN E-P3 are ISO 200 to ISO 12800 (no boost).

G7X Mark II versus E-P3 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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 G7 X Mark II» 1-inch 20.0 5472 36481080/60p----Canon G7 X Mark II
 
Olympus E-P3« Four Thirds 12.2 4032 30241080/60i20.810.153651Olympus E-P3
 
Canon G7 X Mark III« » 1-inch 20.0 5472 36484K/30p----Canon G7 X Mark III
 
Canon G5 X« » 1-inch 20.0 5472 36481080/60p----Canon G5 X
 
Canon G9 X« » 1-inch 20.0 5472 36481080/60p21.512.349563Canon G9 X
 
Canon M3« » APS-C 24.0 6000 40001080/30p22.811.8116972Canon M3
 
Canon G7 X« » 1-inch 20.0 5472 36481080/60p23.012.755671Canon G7 X
 
Olympus E-PL2« » Four Thirds 12.2 4032 3024720/30p21.410.257355Olympus E-PL2
 
Olympus E-PL3« » Four Thirds 12.2 4032 30241080/60i20.910.349952Olympus E-PL3
 
Olympus E-PL1« » Four Thirds 12.2 4032 3024720/30p21.510.148754Olympus E-PL1
 
Olympus E-P1« » Four Thirds 12.2 4032 3024720/30p21.410.453655Olympus E-P1
 
Olympus E-P2« » Four Thirds 12.2 4032 3024720/30p21.510.450556Olympus E-P2
 
Panasonic LX10« » 1-inch 20.0 5472 36484K/30p----Panasonic LX10
 
Sony RX100 V« » 1-inch 20.0 5472 36484K/30p22.812.458670Sony RX100 V
 
Sony RX100 IV« » 1-inch 20.0 5472 36484K/30p22.812.659170Sony RX100 IV
 
Sony RX100 III« » 1-inch 20.0 5472 36481080/60p22.412.349567Sony RX100 III
 
Sony RX100 II« » 1-inch 20.0 5472 36481080/60p22.512.448367Sony RX100 II

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the G7X Mark II provides a higher frame rate than the E-P3. It can shoot video footage at 1080/60p, while the Olympus is limited to 1080/60i.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The G7X Mark II and the E-P3 are similar in the sense that neither of the two has a viewfinder. The images are, thus, framed using live view on the rear LCD. That said, the E-P3 can be equipped with an optional viewfinder – the VF-3. The following table reports on some other key feature differences and similarities of the Canon G7 X Mark II, the Olympus E-P3, and comparable 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 G7 X Mark II»- n 3.0 1040 tilting Y 1/2000s 8.0 Y Y Canon G7 X Mark II
 
Olympus E-P3«- n 3.0 614 fixed Y 1/4000s 3.0 Y Y Olympus E-P3
 
Canon G7 X Mark III« »- n 3.0 1040 tilting Y 1/2000s 30 Y Y Canon G7 X Mark III
 
Canon G5 X« »2360 n 3.0 1040 swivel Y 1/2000s 5.9 Y Y Canon G5 X
 
Canon G9 X« »- n 3.0 1040 fixed Y 1/2000s 6.0 Y Y Canon G9 X
 
Canon M3« »- n 3.0 1040 tilting Y 1/4000s 4.2 Y n Canon M3
 
Canon G7 X« »- n 3.0 1040 tilting Y 1/2000s 6.5 Y Y Canon G7 X
 
Olympus E-PL2« »- n 3.0 460 fixed n 1/4000s 3.0 Y Y Olympus E-PL2
 
Olympus E-PL3« »- n 3.0 460 tilting n 1/4000s 5.5 n Y Olympus E-PL3
 
Olympus E-PL1« »- n 2.7 230 fixed n 1/2000s 3.0 Y Y Olympus E-PL1
 
Olympus E-P1« »- n 3.0 230 fixed n 1/4000s 3.0 n Y Olympus E-P1
 
Olympus E-P2« »- n 3.0 230 fixed n 1/4000s 3.0 n Y Olympus E-P2
 
Panasonic LX10« »- n 3.0 1040 tilting Y 1/4000s 10.0 Y Y Panasonic LX10
 
Sony RX100 V« »2359 n 3.0 1229 tilting n 1/2000s 24.0 Y Y Sony RX100 V
 
Sony RX100 IV« »2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y Sony RX100 IV
 
Sony RX100 III« »1440 n 3.0 1229 tilting n 1/2000s 10.0 Y Y Sony RX100 III
 
Sony RX100 II« »- n 3.0 1229 tilting n 1/2000s 10.0 Y Y Sony RX100 II
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 E-P3 does not have a selfie-screen.

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.

Concerning the storage of imaging data, both the G7X Mark II and the E-P3 write their files to SDXC 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 Olympus PEN E-P3 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
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Canon G7 X Mark II»-stereomono--micro2.0YY-Canon G7 X Mark II
 
Olympus E-P3«Ystereo---mini2.0---Olympus E-P3
 
Canon G7 X Mark III« »-stereomonoY-micro3.1Y-YCanon G7 X Mark III
 
Canon G5 X« »Ystereomono--mini2.0YY-Canon G5 X
 
Canon G9 X« »-stereomono--micro2.0YY-Canon G9 X
 
Canon M3« »YstereomonoY-mini2.0YY-Canon M3
 
Canon G7 X« »-stereomono--micro2.0YY-Canon G7 X
 
Olympus E-PL2« »Ystereo---mini2.0---Olympus E-PL2
 
Olympus E-PL3« »Ystereo---mini2.0---Olympus E-PL3
 
Olympus E-PL1« »Ystereo---mini2.0---Olympus E-PL1
 
Olympus E-P1« »Ystereo---mini2.0---Olympus E-P1
 
Olympus E-P2« »Ystereo---mini2.0---Olympus E-P2
 
Panasonic LX10« »-stereomono--micro2.0Y--Panasonic LX10
 
Sony RX100 V« »-stereomono--micro2.0YY-Sony RX100 V
 
Sony RX100 IV« »-stereomono--micro2.0YY-Sony RX100 IV
 
Sony RX100 III« »-stereomono--micro2.0YY-Sony RX100 III
 
Sony RX100 II« »Ystereomono--micro2.0YY-Sony RX100 II

It is notable that the G7X Mark II offers wifi support, while the E-P3 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Both the G7X Mark II and the E-P3 have been discontinued, but can regularly be found used on eBay. The E-P3 was replaced by the Olympus E-P5, while the G7X Mark II was followed by the Canon G7 X Mark III. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Olympus websites.


Review summary

So what is the bottom line? Is the Canon G7 X Mark II better than the Olympus E-P3 or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Canon PowerShot G7 X Mark II:

  • More detail: Offers more megapixels (20 vs 12.2MP) with a 30% higher linear resolution.
  • Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 614k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (8 vs 3 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 E-P3 requires a separate lens.
  • More compact: Is smaller (106x61mm vs 122x69mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the E-P3).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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 4 years and 7 months of technical progress since the E-P3 launch.

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Arguments in favor of the Olympus PEN E-P3:

  • More framing options: Can be equipped with a hotshoe-mounted accessory-viewfinder.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (330 versus 265) out of a single battery charge.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More heavily discounted: Has been around for much longer (launched in June 2011).

If the count of relative strengths (bullet points above) is taken as a measure, the G7X Mark II is the clear winner of the match-up (14 : 6 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 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.

G7X Mark II 14:06 E-P3

How about other alternatives? Do the specifications of the Canon G7 X Mark II and the Olympus E-P3 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the G7X Mark II and the E-P3 in practical situations. 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 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
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon G7 X Mark II»+ +81/1004.5/54/54.5/5 Feb 2016 699- i Canon G7 X Mark II
 
Olympus E-P3«83/10074/1004.5/54.5/54.5/5 Jun 2011 799- i Olympus E-P3
 
Canon G7 X Mark III« »+ +-4/5-- Jul 2019 749 i i Canon G7 X Mark III
 
Canon G5 X« »+ +78/1004.5/54/54.5/5 Oct 2015 799- i Canon G5 X
 
Canon G9 X« »+ +-4.5/54/54.5/5 Oct 2015 529- i Canon G9 X
 
Canon M3« »o75/1004.5/54.5/54/5 Feb 2015 679- i Canon M3
 
Canon G7 X« »+ +77/1004.5/53.5/54.5/5 Sep 2014 699- i Canon G7 X
 
Olympus E-PL2« »83/10071/1004.5/54.5/54.5/5 Jan 2011 599- i Olympus E-PL2
 
Olympus E-PL3« »+ +72/1004.5/5-4/5 Jun 2011 599- i Olympus E-PL3
 
Olympus E-PL1« »86/10069/1004/54.5/54.5/5 Feb 2010 599- i Olympus E-PL1
 
Olympus E-P1« »+66/1004/54/54.5/5 Jun 2009 799- i Olympus E-P1
 
Olympus E-P2« »+69/1004/54.5/54.5/5 Nov 2009 799- i Olympus E-P2
 
Panasonic LX10« »+ +81/1004/54.5/54.5/5 Sep 2016 699 i i Panasonic LX10
 
Sony RX100 V« »+ +83/1004/55/54.5/5 Oct 2016 999 i i Sony RX100 V
 
Sony RX100 IV« »+ +85/1004/54.5/54.5/5 Jun 2015 999- i Sony RX100 IV
 
Sony RX100 III« »+ +82/1004.5/54.5/55/5 May 2014 799- i Sony RX100 III
 
Sony RX100 II« »+ +79/1004.5/55/54.5/5 Jun 2013 749- i Sony RX100 II
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Canon G7 X Mark II:
Check Ebay offers
Olympus E-P3:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu 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 G7 X Mark II vs Olympus E-P3

    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 Olympus E-P3
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 24-100mm f/1.8-2.8 Micro Four Thirds lenses
    Launch Date February 2016 June 2011
    Launch Price USD 699 USD 799
    Sensor Specs Canon G7 X Mark II Olympus E-P3
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1" Sensor Four Thirds Sensor
    Sensor Size 13.2 x 8.8 mm 17.3 x 13.0 mm
    Sensor Area 116.16 mm2 224.9 mm2
    Sensor Diagonal 15.9 mm 21.6 mm
    Crop Factor 2.7x 2.0x
    Sensor Resolution 20 Megapixels 12.2 Megapixels
    Image Resolution 5472 x 3648 pixels 4032 x 3024 pixels
    Pixel Pitch 2.41 μm 4.29 μm
    Pixel Density 17.18 MP/cm2 5.42 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60i Video
    ISO Setting 125-12800 ISO 200-12800 ISO
    ISO Boost 125-25600 ISO no Enhancement
    Image Processor DIGIC 7 TruePic VI
    DXO Sensor Quality (score) .. 51
    DXO Color Depth (bits) .. 20.8
    DXO Dynamic Range (EV) .. 10.1
    DXO Low Light (ISO) .. 536
    Screen Specs Canon G7 X Mark II Olympus E-P3
    Viewfinder Type No viewfinder Viewfinder optional
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 614k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon G7 X Mark II Olympus E-P3
    Autofocus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingNo Peaking Feature
    Continuous Shooting 8 shutter flaps/s 3 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 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 Olympus E-P3
    External Flash no Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Body Specs Canon G7 X Mark II Olympus E-P3
    Battery Type NB-13L BLS-5
    Battery Life (CIPA)265 shots per charge330 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 106 x 61 x 42 mm
    (4.2 x 2.4 x 1.7 in)
    122 x 69 x 34 mm
    (4.8 x 2.7 x 1.3 in)
    Camera Weight 319 g (11.3 oz) 369 g (13.0 oz)

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