Panasonic GH2 versus Panasonic G7
The Panasonic Lumix DMC-GH2 and the Panasonic Lumix DMC-G7 are two digital cameras that were announced, respectively, in September 2010 and May 2015. Both the GH2 and the Lumix G7 are mirrorless interchangeable lens cameras that are equipped with a Four Thirds sensor. The GH2 has a resolution of 15.9 megapixel, whereas the Lumix G7 provides 15.8 MP.
The side-by-side display below illustrates the physical size and weight of the Panasonic GH2 and the Panasonic G7. Three consecutive perspectives from the front, the top, and the back are presented. All width, height and depth dimensions are rounded to the nearest millimeter. You can also toggle the display 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 GH2 – represents 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 somewhat smaller (4 percent) than the Panasonic GH2. Moreover, the Lumix G7 is slightly lighter (7 percent) than the GH2. In this context, it is worth noting that neither the GH2 nor the Lumix G7 are weather-sealed.
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 comparisons there.
|Camera Body Specifications
|Panasonic GH2 (⇒ rgt)||4.9 in||3.5 in||3.0 in||15.6 oz||330||no||2010||1,499||discont.||check|
|Panasonic G7 (⇒ lft)||4.9 in||3.4 in||3.0 in||14.5 oz||350||no||2015||649||discont.||check|
|Panasonic GX850 (⇒ lft | rgt)||4.2 in||2.6 in||1.3 in||9.5 oz||210||no||2017||549||latest||check|
|Panasonic G85 (⇒ lft | rgt)||5.0 in||3.5 in||2.9 in||17.8 oz||330||YES||2016||899||latest||check|
|Panasonic GM5 (⇒ lft | rgt)||3.9 in||2.4 in||1.4 in||7.4 oz||220||no||2014||749||discont.||check|
|Panasonic G6 (⇒ lft | rgt)||4.8 in||3.3 in||2.8 in||13.8 oz||340||no||2013||599||discont.||check|
|Panasonic GM1 (⇒ lft | rgt)||3.9 in||2.2 in||1.2 in||7.2 oz||230||no||2013||749||discont.||check|
|Panasonic GH3 (⇒ lft | rgt)||5.2 in||3.7 in||3.2 in||19.4 oz||540||YES||2012||1,299||discont.||check|
|Panasonic G3 (⇒ lft | rgt)||4.5 in||3.3 in||1.9 in||11.9 oz||..||no||2011||599||discont.||check|
|Panasonic GX1 (⇒ lft | rgt)||4.6 in||2.7 in||1.5 in||11.2 oz||..||no||2011||949||discont.||check|
|Panasonic G2 (⇒ lft | rgt)||4.9 in||3.3 in||2.9 in||15.1 oz||..||no||2010||599||discont.||check|
|Panasonic G10 (⇒ lft | rgt)||4.9 in||3.3 in||2.9 in||13.7 oz||..||no||2010||499||discont.||check|
|Panasonic GH1 (⇒ lft | rgt)||4.9 in||3.5 in||1.8 in||13.6 oz||..||no||2009||1,499||discont.||check|
The listed prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The Lumix G7 was launched at a markedly lower price (by 57 percent) than the GH2, 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.
The size of the imaging sensor is a crucial determinant 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. 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.
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 GH2 offers a higher resolution of 15.9 megapixel, compared with 15.8 MP of the Lumix G7. This megapixel advantage translates into a 0 percent gain in linear resolution. On the other hand, these sensor specs imply that the GH2 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 Lumix G7). Moreover, it should be noted that the Lumix G7 is much more recent (by 4 years and 7 months) than the GH2, 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 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"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|Panasonic GH2 (⇒ rgt)||Four Thirds||15.9||4608||3456||1080/60i||21.2||11.3||655||60|
|Panasonic G7 (⇒ lft)||Four Thirds||15.8||4592||3448||4K/30p||-||-||-||-|
|Panasonic GX850 (⇒ lft | rgt)||Four Thirds||15.8||4592||3448||4K/30p||..||..||..||..|
|Panasonic G85 (⇒ lft | rgt)||Four Thirds||15.8||4592||3448||4K/30p||22.8||12.5||656||71|
|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 GH3 (⇒ lft | rgt)||Four Thirds||15.9||4608||3456||1080/60p||22.7||12.4||812||71|
|Panasonic G3 (⇒ lft | rgt)||Four Thirds||15.8||4592||3448||1080/60i||21||10.6||667||56|
|Panasonic GX1 (⇒ lft | rgt)||Four Thirds||15.8||4592||3448||1080/60p||20.8||10.6||703||55|
|Panasonic G2 (⇒ lft | rgt)||Four Thirds||12.0||4000||3000||720/30p||21.2||10.3||493||53|
|Panasonic G10 (⇒ lft | rgt)||Four Thirds||12.0||4000||3000||720/30p||21.2||10.1||411||52|
|Panasonic GH1 (⇒ lft | rgt)||Four Thirds||12.0||4000||3000||1080/24p||21.6||11.6||772||64|
Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the Lumix G7 provides a better video resolution than the GH2. It can shoot movie footage at 4K/30p, while the GH2 is limited to 1080/60i.
Beyond 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 Lumix G7 offers a substantially higher resolution than the one in the GH2 (2360k vs 1534k dots). The following table reports on some other key feature differences and similarities of the Panasonic GH2, the Panasonic G7, and comparable cameras. If needed, the dpreview camera hub, for example, contains further detail on the cameras' specs.
|Panasonic GH2 (⇒ rgt)||1534||no||3.0||460||swivel||no||4000||3.0||15.6||no|
|Panasonic G7 (⇒ lft)||2360||no||3.0||1040||swivel||YES||4000||7.0||9.3||no|
|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 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 GH3 (⇒ lft | rgt)||1746||no||3.0||614||swivel||YES||4000||6.0||12||no|
|Panasonic G3 (⇒ lft | rgt)||1440||no||3.0||460||swivel||YES||4000||4.0||11||no|
|Panasonic GX1 (⇒ lft | rgt)||no||no||3.0||460||fixed||YES||4000||4.2||7.6||no|
|Panasonic G2 (⇒ lft | rgt)||1440||no||3.0||460||swivel||YES||4000||2.6||11||no|
|Panasonic G10 (⇒ lft | rgt)||202||no||3.0||460||fixed||no||4000||2.6||11||no|
|Panasonic GH1 (⇒ lft | rgt)||1440||no||3.0||460||swivel||no||4000||3.0||10.5||no|
Both the GH2 and the Lumix G7 have been discontinued, but can regularly be found used on ebay. The GH2 was replaced by the Panasonic GH3, while the Lumix G7 was followed by the Panasonic G85.
So how do things add up? Is the Panasonic GH2 better than the Panasonic G7 or vice versa? A synthesis of the relative strong points of each of the models is listed below.
Advantages of the Panasonic Lumix DMC-GH2:
- More heavily discounted: Has been available for much longer (launched in September 2010).
Reasons to prefer the Panasonic Lumix DMC-G7:
- Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
- More detailed viewfinder: Has a higher resolution electronic viewfinder (2360k vs 1534k dots).
- More detailed LCD: Has a higher resolution rear screen (1040k vs 460k dots).
- Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
- Faster burst: Shoots at higher frequency (7 vs 3 flaps/sec) to capture the decisive moment.
- More affordable: Was introduced into a lower priced category (57 percent cheaper at launch).
- More modern: Reflects 4 years and 7 months of technical progress since the GH2 launch.
If the count of individual advantages (bullet points above) is taken as a guide, the Lumix G7 is the clear winner of the contest (7 : 1 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.
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 handling experience and imaging performance when actually working with the GH2 or the Lumix G7. 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. This is why expert reviews 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 GH2 (⇒ rgt)||86/100 HiRec||79/100 Silver||4.5/5||4.5/5||5/5||2010||1,499||discont.||check|
|Panasonic G7 (⇒ lft)||HiRec||80/100 Silver||5/5||4.5/5||4.5/5||2015||649||discont.||check|
|Panasonic GX850 (⇒ lft | rgt)||Rec||76/100||4.5/5||-||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 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 GH3 (⇒ lft | rgt)||HiRec||79/100 Gold||4.5/5||5/5||4.5/5||2012||1,299||discont.||check|
|Panasonic G3 (⇒ lft | rgt)||88/100 HiRec||75/100 Silver||4.5/5||4.5/5||5/5||2011||599||discont.||check|
|Panasonic GX1 (⇒ lft | rgt)||85/100 Rec||77/100 Silver||4.5/5||4.5/5||4.5/5||2011||949||discont.||check|
|Panasonic G2 (⇒ lft | rgt)||-||72/100 Silver||4/5||4/5||4.5/5||2010||599||discont.||check|
|Panasonic G10 (⇒ lft | rgt)||-||70/100||4/5||-||4/5||2010||499||discont.||check|
|Panasonic GH1 (⇒ lft | rgt)||89/100 HiRec||72/100 HiRec||4.5/5||5/5||4.5/5||2009||1,499||discont.||check|
The review scores listed above should be treated with care, though. The ratings are only valid when refering to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.
If you would like to see a different side-by-side camera review, just make your choice using the following search menu. 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, kindly get in touch, and I will try to locate and add the respective data to the application.
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