Panasonic GH3 versus Panasonic G7
The Panasonic Lumix DMC-GH3 and the Panasonic Lumix DMC-G7 are two digital cameras that were revealed to the public, respectively, in September 2012 and May 2015. Both the GH3 and the G7 are mirrorless interchangeable lens cameras that are equipped with a Four Thirds sensor. The GH3 has a resolution of 15.9 megapixel, whereas the G7 provides 15.8 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.
Body comparison: Panasonic GH3 vs Panasonic G7
The side-by-side display below illustrates the physical size and weight of the Panasonic GH3 and the Panasonic G7. 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. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left – the GH3 – represents the basis or 100 percent across all the size and weight measures).
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic G7 is notably smaller (13 percent) than the Panasonic GH3. Moreover, the G7 is markedly lighter (25 percent) than the GH3. It is worth mentioning in this context that the GH3 is splash and dust resistant, while the G7 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. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can find an overview of suitable optics in the Micro Four Thirds Lens Catalog. Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.
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, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.
|Camera Body Specifications
|Panasonic GH3 (⇒ rgt)||133 mm||93 mm||82 mm||550 g||540||YES||2012||1,299||discont.||check|
|Panasonic G7 (⇒ lft)||125 mm||86 mm||77 mm||410 g||350||no||2015||649||discont.||check|
|Olympus E-M5 II (⇒ lft | rgt)||124 mm||85 mm||45 mm||469 g||310||YES||2015||1,099||latest||check|
|Olympus E-M1 (⇒ lft | rgt)||130 mm||94 mm||63 mm||497 g||350||YES||2013||1,399||discont.||check|
|Olympus E-M5 (⇒ lft | rgt)||122 mm||89 mm||43 mm||425 g||360||YES||2012||1,299||discont.||check|
|Panasonic GX850 (⇒ lft | rgt)||107 mm||65 mm||33 mm||269 g||210||no||2017||549||latest||check|
|Panasonic G85 (⇒ lft | rgt)||128 mm||89 mm||74 mm||505 g||330||YES||2016||899||latest||check|
|Panasonic GX8 (⇒ lft | rgt)||133 mm||78 mm||63 mm||487 g||330||YES||2015||1,199||discont.||check|
|Panasonic GF7 (⇒ lft | rgt)||107 mm||65 mm||33 mm||266 g||230||no||2015||499||discont.||check|
|Panasonic GH4 (⇒ lft | rgt)||133 mm||93 mm||84 mm||560 g||500||YES||2014||1,499||discont.||check|
|Panasonic GM5 (⇒ lft | rgt)||99 mm||60 mm||36 mm||211 g||220||no||2014||749||discont.||check|
|Panasonic G6 (⇒ lft | rgt)||122 mm||85 mm||71 mm||390 g||340||no||2013||599||discont.||check|
|Panasonic GM1 (⇒ lft | rgt)||99 mm||55 mm||30 mm||204 g||230||no||2013||749||discont.||check|
|Panasonic GH2 (⇒ lft | rgt)||124 mm||90 mm||76 mm||442 g||330||no||2010||1,499||discont.||check|
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 G7 was launched at a markedly lower price (by 50 percent) than the GH3, which puts it into a different market segment. 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: Panasonic GH3 vs Panasonic G7
The size of the sensor inside a digital camera is one of the key determinants 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 more expensive and lead to bigger and heavier cameras and lenses.
Both cameras under consideration feature a Four Thirds sensor and have a format factor (sometimes also referred to as "crop factor") of 2.0. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.
While the two cameras under review share the same sensor size, the GH3 offers a slightly higher resolution of 15.9 megapixel, compared with 15.8 MP of the G7. This megapixel advantage translates into a 0.3 percent gain in linear resolution. On the other hand, these sensor specs imply that the GH3 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.76μm versus 3.77μm for the G7). Moreover, it should be noted that the G7 is much more recent (by 2 years and 7 months) than the GH3, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of individual pixels.
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
|Panasonic GH3 (⇒ rgt)||Four Thirds||15.9||4608||3456||1080/60p||22.7||12.4||812||71|
|Panasonic G7 (⇒ lft)||Four Thirds||15.8||4592||3448||4K/30p||-||-||-||-|
|Olympus E-M5 II (⇒ lft | rgt)||Four Thirds||15.9||4608||3456||1080/60p||23.0||12.5||842||73|
|Olympus E-M1 (⇒ lft | rgt)||Four Thirds||15.9||4608||3456||1080/30p||23.0||12.7||757||73|
|Olympus E-M5 (⇒ lft | rgt)||Four Thirds||15.9||4608||3456||1080/60i||22.8||12.3||826||71|
|Panasonic GX850 (⇒ lft | rgt)||Four Thirds||15.8||4592||3448||4K/30p||23.2||13.3||586||73|
|Panasonic G85 (⇒ lft | rgt)||Four Thirds||15.8||4592||3448||4K/30p||22.8||12.5||656||71|
|Panasonic GX8 (⇒ lft | rgt)||Four Thirds||20.2||5184||3888||4K/30p||23.5||12.6||806||75|
|Panasonic GF7 (⇒ lft | rgt)||Four Thirds||15.8||4592||3448||1080/60p||-||-||-||-|
|Panasonic GH4 (⇒ lft | rgt)||Four Thirds||15.9||4608||3456||4K/30p||23.2||12.8||791||74|
|Panasonic GM5 (⇒ lft | rgt)||Four Thirds||15.8||4592||3448||1080/60p||22.1||11.7||721||66|
|Panasonic G6 (⇒ lft | rgt)||Four Thirds||15.9||4608||3456||1080/60p||21.3||11.5||639||61|
|Panasonic GM1 (⇒ lft | rgt)||Four Thirds||15.8||4592||3448||1080/60i||22.3||11.7||660||66|
|Panasonic GH2 (⇒ lft | rgt)||Four Thirds||15.9||4608||3456||1080/60i||21.2||11.3||655||60|
Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the G7 provides a better video resolution than the GH3. It can shoot movie footage at 4K/30p, while the GH3 is limited to 1080/60p.
Feature comparison: Panasonic GH3 vs Panasonic G7
Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the G7 offers a higher resolution than the one in the GH3 (2360k vs 1746k dots). The table below summarizes some of the other core capabilities of the Panasonic GH3 and Panasonic G7 in connection with corresponding information for a sample of similar cameras. If needed, the dpreview camera hub, for example, contains further detail on the cameras' specs.
|Panasonic GH3 (⇒ rgt)||1746||no||3.0||614||swivel||YES||4000||6.0||12||no|
|Panasonic G7 (⇒ lft)||2360||no||3.0||1040||swivel||YES||4000||7.0||9.3||no|
|Olympus E-M5 II (⇒ lft | rgt)||2360||no||3.0||1037||swivel||YES||8000||10.0||no||YES|
|Olympus E-M1 (⇒ lft | rgt)||2360||no||3.0||1037||tilting||YES||8000||10.0||no||YES|
|Olympus E-M5 (⇒ lft | rgt)||1440||no||3.0||610||tilting||YES||4000||9.0||no||YES|
|Panasonic GX850 (⇒ lft | rgt)||no||no||3.0||1040||tilting||YES||500||10.0||4||no|
|Panasonic G85 (⇒ lft | rgt)||2360||no||3.0||1040||swivel||YES||4000||9.0||6.2||YES|
|Panasonic GX8 (⇒ lft | rgt)||2360||no||3.0||1040||swivel||YES||8000||10.0||no||YES|
|Panasonic GF7 (⇒ lft | rgt)||no||no||3.0||1040||tilting||YES||500||5.8||4||no|
|Panasonic GH4 (⇒ lft | rgt)||2359||no||3.0||1036||swivel||YES||8000||12.0||17||no|
|Panasonic GM5 (⇒ lft | rgt)||1166||no||3.0||921||fixed||YES||500||5.8||no||no|
|Panasonic G6 (⇒ lft | rgt)||1440||no||3.0||1036||swivel||YES||4000||7.0||10.5||no|
|Panasonic GM1 (⇒ lft | rgt)||no||no||3.0||1036||fixed||YES||500||5.0||4||no|
|Panasonic GH2 (⇒ lft | rgt)||1534||no||3.0||460||swivel||no||4000||3.0||15.6||no|
Both the GH3 and the G7 have been discontinued, but can regularly be found used on eBay. The GH3 was replaced by the Panasonic GH4, while the G7 was followed by the Panasonic G85.
Review summary: Panasonic GH3 vs Panasonic G7
So what conclusions can be drawn? Is the Panasonic GH3 better than the Panasonic G7 or vice versa? Below is a summary of the relative strengths of each of the two contestants.
Reasons to prefer the Panasonic Lumix DMC-GH3:
- Longer lasting: Can take more shots (540 versus 350) on a single battery charge.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- More heavily discounted: Has been available for much longer (launched in September 2012).
Advantages of the Panasonic Lumix DMC-G7:
- Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
- More detailed viewfinder: Has higher resolution electronic viewfinder (2360k vs 1746k dots).
- More detailed LCD: Has a higher resolution rear screen (1040k vs 614k dots).
- Faster burst: Shoots at higher frequency (7 vs 6 flaps/sec) to capture the decisive moment.
- More compact: Is smaller (125x86mm vs 133x93mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 140g or 25 percent) and is thus easier to take along.
- More affordable: Was introduced into a lower priced category (50 percent cheaper at launch).
- More modern: Reflects 2 years and 7 months of technical progress since the GH3 launch.
If the count of individual advantages (bullet points above) is taken as a guide, the G7 is the clear winner of the contest (8 : 3 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.
In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the GH3 or the G7. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable. This is why hands-on reviews by experts are important. The table below summarizes the assessments of some of the best known camera review sites. You can find the full text of the reviews, respectively, at cameralabs.com, dpreview.com, ephotozine.com, imaging-resource.com, and photographyblog.com.
|Panasonic GH3 (⇒ rgt)||HiRec||79/100 Gold||4.5/5||5/5||4.5/5||2012||1,299||discont.||check|
|Panasonic G7 (⇒ lft)||HiRec||80/100 Silver||5/5||4.5/5||4.5/5||2015||649||discont.||check|
|Olympus E-M5 II (⇒ lft | rgt)||HiRec||81/100 Silver||5/5||4.5/5||5/5||2015||1,099||latest||check|
|Olympus E-M1 (⇒ lft | rgt)||HiRec||84/100 Gold||4.5/5||4.5/5||4.5/5||2013||1,399||discont.||check|
|Olympus E-M5 (⇒ lft | rgt)||HiRec||80/100 Gold||4.5/5||5/5||5/5||2012||1,299||discont.||check|
|Panasonic GX850 (⇒ lft | rgt)||Rec||76/100||4.5/5||4/5||4.5/5||2017||549||latest||check|
|Panasonic G85 (⇒ lft | rgt)||HiRec||84/100 Gold||5/5||4.5/5||4.5/5||2016||899||latest||check|
|Panasonic GX8 (⇒ lft | rgt)||Rec||82/100 Silver||4.5/5||5/5||4.5/5||2015||1,199||discont.||check|
|Panasonic GF7 (⇒ lft | rgt)||Rec||-||4.5/5||4.5/5||4.5/5||2015||499||discont.||check|
|Panasonic GH4 (⇒ lft | rgt)||HiRec||85/100 Gold||5/5||5/5||5/5||2014||1,499||discont.||check|
|Panasonic GM5 (⇒ lft | rgt)||Rec||77/100 Silver||5/5||5/5||4.5/5||2014||749||discont.||check|
|Panasonic G6 (⇒ lft | rgt)||HiRec||-||5/5||-||4.5/5||2013||599||discont.||check|
|Panasonic GM1 (⇒ lft | rgt)||Rec||78/100 Gold||5/5||4.5/5||4.5/5||2013||749||discont.||check|
|Panasonic GH2 (⇒ lft | rgt)||86/100 HiRec||79/100 Silver||4.5/5||4.5/5||5/5||2010||1,499||discont.||check|
The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
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 make a corresponding selection in the search boxes below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If you do not see the camera that you are looking for, please send me an email, and I will try to locate and add the respective data to the application.
- Canon T1i vs Canon XSi
- Canon T6i vs Canon G7 X Mark II
- Leica Digilux 3 vs Panasonic G1
- Nikon D800 vs Canon 750D
- Panasonic G80 vs Nikon Df
- Panasonic G9 vs Panasonic GX850
- Panasonic GH5 vs Canon 1300D
- Panasonic GH5s vs Nikon D1
- Panasonic LX15 vs Panasonic FZ100
- Ricoh GR II vs Panasonic GM5
- Sony A6000 vs Canon 70D
- Sony A6000 vs Canon T6i