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Canon 7D II vs Panasonic G3

The Canon EOS 7D Mark II and the Panasonic Lumix DMC-G3 are two digital cameras that were announced, respectively, in September 2014 and May 2011. The 7D Mark II is a DSLR, while the G3 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (7D Mark II) and a Four Thirds (G3) sensor. The Canon has a resolution of 20 megapixels, whereas the Panasonic provides 15.8 MP.

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

Headline Specifications
Canon 7D II VS Panasonic G3
Canon 7D II Panasonic G3
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Micro Four Thirds lenses
20 MP, APS-C Sensor 15.8 MP, Four Thirds Sensor
1080/60p Video 1080/60i Video
ISO 100-16000 (100-51200) ISO 160-6400
Optical viewfinder Electronic viewfinder (1440k dots)
3.0" LCD, 1040k dots 3.0" LCD, 460k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
10 shutter flaps per second 4 shutter flaps per second
Weathersealed bodyNot weather sealed
670 shots per battery charge270 shots per battery charge
149 x 112 x 78 mm, 910 g 115 x 84 x 47 mm, 336 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 7D Mark II and the Panasonic Lumix DMC-G3? 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 physical size and weight of the Canon 7D II and the Panasonic G3 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The G3 can be obtained in four different colors (black, brown, red, white), while the 7D Mark II is only available in black.

Size Canon 7D II vs Panasonic G3
Compare 7D Mark II versus G3 top
Comparison 7D Mark II or G3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic G3 is considerably smaller (42 percent) than the Canon 7D II. Moreover, the G3 is substantially lighter (63 percent) than the 7D Mark II. It is worth mentioning in this context that the 7D Mark II is splash and dust resistant, while the G3 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (7D Mark II) and the Micro Four Thirds Lens Catalog (G3). Mirrorless cameras, such as the G3, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the 7D Mark II gets 670 shots out of its LP-E6N battery, while the G3 can take 270 images on a single charge of its DMW-BLD10 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

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 7D II» 5.9 in 4.4 in 3.1 in 32.1 oz 670 Y Sep 2014 1,799 iCanon 7D II
 
Panasonic G3« 4.5 in 3.3 in 1.9 in 11.9 oz 270 n May 2011 599iPanasonic G3
 
Canon T6i« » 5.2 in 4.0 in 3.1 in 19.6 oz 440 n Feb 2015 749iCanon T6i
 
Canon T5« » 5.1 in 3.9 in 3.1 in 16.9 oz 500 n Feb 2014 449iCanon T5
 
Canon 70D« » 5.5 in 4.1 in 3.1 in 26.6 oz 920 Y Jul 2013 1,199iCanon 70D
 
Canon SL1« » 4.6 in 3.6 in 2.7 in 14.4 oz 380 n Mar 2013 549iCanon SL1
 
Canon T5i« » 5.2 in 3.9 in 3.1 in 20.5 oz 440 n Mar 2013 649iCanon T5i
 
Canon 6D« » 5.7 in 4.4 in 2.8 in 27.2 oz 1090 Y Sep 2012 2,099iCanon 6D
 
Canon 60D« » 5.7 in 4.2 in 3.1 in 26.6 oz 1100 Y Aug 2010 1,399iCanon 60D
 
Canon 7D« » 5.8 in 4.4 in 2.9 in 30.3 oz 800 Y Sep 2009 1,699iCanon 7D
 
Canon 50D« » 5.7 in 4.3 in 2.9 in 29.0 oz 800 Y Aug 2008 1,299iCanon 50D
 
Canon 20D« » 5.7 in 4.2 in 2.8 in 27.2 oz 700 n Aug 2004 1,499iCanon 20D
 
Panasonic G6« » 4.8 in 3.3 in 2.8 in 13.8 oz 340 n Apr 2013 599iPanasonic G6
 
Panasonic G5« » 4.7 in 3.3 in 2.8 in 14.0 oz 320 n Jul 2012 599iPanasonic G5
 
Panasonic GX1« » 4.6 in 2.7 in 1.5 in 11.2 oz 320 n Nov 2011 699iPanasonic GX1
 
Panasonic G2« » 4.9 in 3.3 in 2.9 in 15.1 oz 360 n Mar 2010 599iPanasonic G2
 
Panasonic GH2« » 4.9 in 3.5 in 3.0 in 15.6 oz 330 n Sep 2010 899iPanasonic GH2
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G3 was launched at a markedly lower price (by 67 percent) than the 7D Mark II, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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 7D II features an APS-C sensor and the Panasonic G3 a Four Thirds sensor. The sensor area in the G3 is 33 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 2.0. The sensor in the 7D Mark II has a native 3:2 aspect ratio, while the one in the G3 offers a 4:3 aspect.

Canon 7D II and Panasonic G3 sensor measures

With 20MP, the 7D Mark II offers a higher resolution than the G3 (15.8MP), but the 7D Mark II nevertheless has larger individual pixels (pixel pitch of 4.10μm versus 3.77μm for the G3) due to its larger sensor. Moreover, the 7D Mark II is a much more recent model (by 3 years and 4 months) than the G3, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Canon 7D II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 7D 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 Panasonic G3 are 23 x 17.2 inch or 58.3 x 43.8 cm for good quality, 18.4 x 13.8 inch or 46.7 x 35 cm for very good quality, and 15.3 x 11.5 inch or 38.9 x 29.2 cm for excellent quality prints.

The 7D Mark II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS 7D Mark II has a native sensitivity range from ISO 100 to ISO 16000, which can be extended to ISO 100-51200. The corresponding ISO settings for the Panasonic Lumix DMC-G3 are ISO 160 to ISO 6400 (no boost).

7D Mark II versus G3 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 review, the 7D Mark II provides substantially higher image quality than the G3, with an overall score that is 14 points higher. This advantage is based on 1.4 bits higher color depth, 1.2 EV in additional dynamic range, and 0.7 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 7D II APS-C 20.0 5472 36481080/60p22.411.8108270Canon 7D II
 
Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756Panasonic G3
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971Canon T6i
 
Canon T5 APS-C 17.9 5184 34561080/30p21.911.372463Canon T5
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668Canon 70D
 
Canon SL1 APS-C 17.9 5184 34561080/30p21.811.384363Canon SL1
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161Canon T5i
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082Canon 6D
 
Canon 60D APS-C 17.9 5184 34561080/30p22.211.581366Canon 60D
 
Canon 7D APS-C 17.9 5184 34561080/30p22.011.785466Canon 7D
 
Canon 50D APS-C 15.1 4752 3168none21.811.469663Canon 50D
 
Canon 20D APS-C 8.2 3504 2336none21.911.072162Canon 20D
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961Panasonic G6
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p........Panasonic G5
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355Panasonic GX1
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353Panasonic G2
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560Panasonic GH2

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the 7D Mark II provides a higher frame rate than the G3. It can shoot video footage at 1080/60p, while the Panasonic is limited to 1080/60i.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the G3 has an electronic viewfinder (1440k dots), while the 7D Mark II 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 viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the G3 has a higher magnification than the one of the 7D Mark II (0.70x vs 0.63x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Canon 7D II and Panasonic G3 along with similar information for a selection of comparators.

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 7D IIoptical Y 3.0 1040 fixed n 1/8000s 10.0 Y n Canon 7D II
 
Panasonic G31440 n 3.0 460 swivel Y 1/4000s 4.0 Y n Panasonic G3
 
Canon T6ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T6i
 
Canon T5optical n 3.0 460 fixed n 1/4000s 3.0 Y n Canon T5
 
Canon 70Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n Canon 70D
 
Canon SL1optical n 3.0 1040 fixed Y 1/4000s 4.9 Y n Canon SL1
 
Canon T5ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T5i
 
Canon 6Doptical Y 3.0 1040 fixed n 1/4000s 4.5 n n Canon 6D
 
Canon 60Doptical Y 3.0 1040 swivel n 1/8000s 5.3 Y n Canon 60D
 
Canon 7Doptical Y 3.0 920 fixed n 1/8000s 8.0 Y n Canon 7D
 
Canon 50Doptical Y 3.0 920 fixed n 1/8000s 6.3 Y n Canon 50D
 
Canon 20Doptical Y 1.8 118 fixed n 1/8000s 5.0 Y n Canon 20D
 
Panasonic G61440 n 3.0 1036 swivel Y 1/4000s 7.0 Y n Panasonic G6
 
Panasonic G51440 n 3.0 920 swivel Y 1/4000s 6.0 Y n Panasonic G5
 
Panasonic GX1optional n 3.0 460 fixed Y 1/4000s 4.2 Y n Panasonic GX1
 
Panasonic G21440 n 3.0 460 swivel Y 1/4000s 2.6 Y n Panasonic G2
 
Panasonic GH21534 n 3.0 460 swivel n 1/4000s 3.0 Y n Panasonic GH2

One feature that is present on the 7D Mark II, but is missing on the G3 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The G3 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the 7D Mark II does not have a selfie-screen.

The Canon 7D 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 7D Mark II writes its imaging data to Compact Flash or SDXC cards, while the G3 uses SDXC cards. The 7D Mark II features dual card slots, which can be very useful in case a memory card fails. In contrast, the G3 only has one slot. The 7D Mark II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the G3 cannot take advantage of Ultra High Speed SD cards.

 

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 EOS 7D Mark II and Panasonic Lumix DMC-G3 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 7D IIYstereomonoYYmini3.0---Canon 7D II
 
Panasonic G3Ystereomono--mini2.0---Panasonic G3
 
Canon T6iYstereomonoY-mini2.0YY-Canon T6i
 
Canon T5Ymonomono--mini2.0---Canon T5
 
Canon 70DYstereomonoY-mini2.0Y--Canon 70D
 
Canon SL1YmonomonoY-mini2.0---Canon SL1
 
Canon T5iYstereomonoY-mini2.0---Canon T5i
 
Canon 6DYmonomonoY-mini2.0Y--Canon 6D
 
Canon 60DYmonomonoY-mini2.0---Canon 60D
 
Canon 7DYmonononeY-mini2.0---Canon 7D
 
Canon 50DYnonenone--mini2.0---Canon 50D
 
Canon 20DYnonenone--none1.1---Canon 20D
 
Panasonic G6YstereomonoY-mini2.0YY-Panasonic G6
 
Panasonic G5Ystereomono--mini2.0---Panasonic G5
 
Panasonic GX1Ystereomono--mini2.0---Panasonic GX1
 
Panasonic G2Ystereomono--mini2.0---Panasonic G2
 
Panasonic GH2YstereomonoY-mini2.0---Panasonic GH2

It is notable that the 7D Mark II has a microphone port, which is missing on the G3. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Canon 7D II (unlike the G3) 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 7D Mark II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The 7D Mark II is a recent model that features in the current product line-up of Canon. In contrast, the G3 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the G3 was succeeded by the Panasonic G5. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Panasonic websites.

Review summary

So what conclusions can be drawn? Is the Canon 7D II better than the Panasonic G3 or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Canon EOS 7D Mark II:

  • More detail: Offers more megapixels (20 vs 15.8MP) with a 15% higher linear resolution.
  • Better image quality: Scores substantially higher (14 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.4 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (1.2 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.7 stops ISO advantage).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 460k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 4 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (670 versus 270) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • 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: Reflects 3 years and 4 months of technical progress since the G3 launch.

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Arguments in favor of the Panasonic Lumix DMC-G3:

  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.63x).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (115x84mm vs 149x112mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 574g or 63 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • More affordable: Was introduced into a lower priced category (67 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in May 2011).

If the number of relative strengths (bullet points above) is taken as a guide, the 7D Mark II is the clear winner of the match-up (23 : 10 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 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.

7D Mark II 23:10 G3

How about other alternatives? Do the specifications of the Canon 7D II and the Panasonic G3 place the cameras among the top in their class? Find out in the latest Best DSLR 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 remains incomplete and does no justice, for example, to the way the 7D Mark II or the G3 perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major camera 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 7D II+84/1004/55/54.5/5 Sep 2014 1,799 iCanon 7D II
 
Panasonic G3+ +75/1004.5/54.5/55/5 May 2011 599iPanasonic G3
 
Canon T6i..75/1004.5/54.5/54.5/5 Feb 2015 749iCanon T6i
 
Canon T5+..4/54/54.5/5 Feb 2014 449iCanon T5
 
Canon 70D+ +83/1004.5/54.5/55/5 Jul 2013 1,199iCanon 70D
 
Canon SL1+78/1004/54/54/5 Mar 2013 549iCanon SL1
 
Canon T5i..76/1004.5/54.5/54.5/5 Mar 2013 649iCanon T5i
 
Canon 6D+ +83/1004.5/54.5/54.5/5 Sep 2012 2,099iCanon 6D
 
Canon 60D+79/1004/55/54.5/5 Aug 2010 1,399iCanon 60D
 
Canon 7D+ +84/1004.5/55/54.5/5 Sep 2009 1,699iCanon 7D
 
Canon 50D+ ++ +4.5/55/54.5/5 Aug 2008 1,299iCanon 50D
 
Canon 20D..+ +..o.. Aug 2004 1,499iCanon 20D
 
Panasonic G6+ +..5/5..4.5/5 Apr 2013 599iPanasonic G6
 
Panasonic G5+ +..4.5/54.5/54.5/5 Jul 2012 599iPanasonic G5
 
Panasonic GX1+77/1004.5/54.5/54.5/5 Nov 2011 699iPanasonic GX1
 
Panasonic G2..72/1004/54/54.5/5 Mar 2010 599iPanasonic G2
 
Panasonic GH2+ +79/1004.5/54.5/55/5 Sep 2010 899iPanasonic GH2
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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 7D II:
Check Amazon price
Panasonic G3:
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 7D II vs Panasonic G3

    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 7D II Panasonic G3
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date September 2014 May 2011
    Launch Price USD 1799 USD 599
    Sensor Specs Canon 7D II Panasonic G3
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 22.4 x 15.0 mm 17.3 x 13.0 mm
    Sensor Area 336 mm2 224.9 mm2
    Sensor Diagonal 27 mm 21.6 mm
    Crop Factor 1.6x 2.0x
    Sensor Resolution 20 Megapixels 15.8 Megapixels
    Image Resolution 5472 x 3648 pixels 4592 x 3448 pixels
    Pixel Pitch 4.10 μm 3.77 μm
    Pixel Density 5.94 MP/cm2 7.04 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60i Video
    ISO Setting 100-16000 ISO 160-6400 ISO
    ISO Boost 100-51200 ISO no Enhancement
    Image Processor DIGIC 6 (Dual) Venus FHD
    DXO Sensor Quality (score) 70 56
    DXO Color Depth (bits) 22.4 21.0
    DXO Dynamic Range (EV) 11.8 10.6
    DXO Low Light (ISO) 1082 667
    Screen Specs Canon 7D II Panasonic G3
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.63x 0.70x
    Viewfinder Resolution 1440k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 460k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 7D II Panasonic G3
    Focus System Phase-detect AF Contrast-detect AF
    Continuous Shooting 10 shutter flaps/s 4 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium CF or SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support UHS-I no
    Connectivity Specs Canon 7D II Panasonic G3
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support no Wifi no Wifi
    Geotagging GPS built-in no internal GPS
    Body Specs Canon 7D II Panasonic G3
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type LP-E6N DMW-BLD10
    Battery Life (CIPA)670 shots per charge270 shots per charge
    Body Dimensions 149 x 112 x 78 mm
    (5.9 x 4.4 x 3.1 in)
    115 x 84 x 47 mm
    (4.5 x 3.3 x 1.9 in)
    Camera Weight 910 g (32.1 oz) 336 g (11.9 oz)

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