Panasonic GH3 vs GM1
The Panasonic Lumix DMC-GH3 and the Panasonic Lumix DMC-GM1 are two digital cameras that were officially introduced, respectively, in September 2012 and October 2013. Both the GH3 and the GM1 are mirrorless interchangeable lens cameras that are equipped with a Four Thirds sensor. The GH3 has a resolution of 15.9 megapixels, whereas the GM1 provides 15.8 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Panasonic GH3||Panasonic GM1|
|Mirrorless system camera||Mirrorless system camera|
|Micro Four Thirds lenses||Micro Four Thirds lenses|
|15.9 MP, Four Thirds Sensor||15.8 MP, Four Thirds Sensor|
|1080/60p Video||1080/60i Video|
|ISO 200-12800 (125-25600)||ISO 200-25600|
|Electronic viewfinder (1746k dots)||No viewfinder, LCD framing|
|3.0" LCD, 614k dots||3.0" LCD, 1036k dots|
|Swivel touchscreen||Fixed touchscreen|
|6 shutter flaps per second||5 shutter flaps per second|
|Weathersealed body||Not weather sealed|
|540 shots per battery charge||230 shots per battery charge|
|133 x 93 x 82 mm, 550 g||99 x 55 x 30 mm, 204 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-GH3 and the Panasonic Lumix DMC-GM1? 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: Panasonic GH3 vs GM1
An illustration of the physical size and weight of the Panasonic GH3 and the Panasonic GM1 is provided 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 width, height and depth dimensions are rounded to the nearest millimeter.
The GM1 can be obtained in three different colors (black, silver, red), while the GH3 is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GM1 is considerably smaller (56 percent) than the Panasonic GH3. Moreover, the GM1 is substantially lighter (63 percent) than the GH3. It is worth mentioning in this context that the GH3 is splash and dust resistant, while the GM1 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 compare the optics available 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 adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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.
|Panasonic GH3»||133 mm||93 mm||82 mm||550 g||540||Y||Sep 2012||1,299||-||Panasonic GH3|
|Panasonic GM1«||99 mm||55 mm||30 mm||204 g||230||n||Oct 2013||749||-||Panasonic GM1|
|Nikon D7100« »||136 mm||107 mm||76 mm||765 g||950||Y||Feb 2013||1,199||-||Nikon D7100|
|Olympus E-M5 II« »||124 mm||85 mm||45 mm||469 g||310||Y||Feb 2015||1,099||Olympus E-M5 II|
|Olympus E-M1« »||130 mm||94 mm||63 mm||497 g||350||Y||Sep 2013||1,399||-||Olympus E-M1|
|Olympus E-M5« »||122 mm||89 mm||43 mm||425 g||360||Y||Feb 2012||1,299||-||Olympus E-M5|
|Panasonic G80« »||128 mm||89 mm||74 mm||505 g||330||Y||Sep 2016||899||-||Panasonic G80|
|Panasonic GX8« »||133 mm||78 mm||63 mm||487 g||330||Y||Jul 2015||1,199||-||Panasonic GX8|
|Panasonic GH4« »||133 mm||93 mm||84 mm||560 g||500||Y||Feb 2014||1,499||-||Panasonic GH4|
|Panasonic GM5« »||99 mm||60 mm||36 mm||211 g||220||n||Sep 2014||749||-||Panasonic GM5|
|Panasonic G6« »||122 mm||85 mm||71 mm||390 g||340||n||Apr 2013||599||-||Panasonic G6|
|Panasonic GX1« »||116 mm||68 mm||39 mm||318 g||320||n||Nov 2011||699||-||Panasonic GX1|
|Panasonic GH2« »||124 mm||90 mm||76 mm||442 g||330||n||Sep 2010||899||-||Panasonic GH2|
|Ricoh GR« »||117 mm||61 mm||35 mm||245 g||290||n||Apr 2013||799||-||Ricoh GR|
|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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The GM1 was launched at a markedly lower price (by 42 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 GM1
The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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.
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 megapixels, compared with 15.8 MP of the GM1. This megapixels 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 GM1). Moreover, it should be noted that the GM1 is a somewhat more recent model (by 1 year) than the GH3, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of individual pixels.
The Panasonic Lumix DMC-GH3 has a native sensitivity range from ISO 200 to ISO 12800, which can be extended to ISO 125-25600. The corresponding ISO settings for the Panasonic Lumix DMC-GM1 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 125-25600.
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 GH3 has a notably higher overall DXO score than the GM1 (overall score 5 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.4 bits higher color depth, 0.7 EV in additional dynamic range, and 0.3 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.
|Panasonic GH3»||Four Thirds||15.9||4608||3456||1080/60p||22.7||12.4||812||71||Panasonic GH3|
|Panasonic GM1«||Four Thirds||15.8||4592||3448||1080/60i||22.3||11.7||660||66||Panasonic GM1|
|Nikon D7100« »||APS-C||24.0||6000||4000||1080/60p||24.2||13.7||1256||83||Nikon D7100|
|Olympus E-M5 II« »||Four Thirds||15.9||4608||3456||1080/60p||23.0||12.5||842||73||Olympus E-M5 II|
|Olympus E-M1« »||Four Thirds||15.9||4608||3456||1080/30p||23.0||12.7||757||73||Olympus E-M1|
|Olympus E-M5« »||Four Thirds||15.9||4608||3456||1080/60i||22.8||12.3||826||71||Olympus E-M5|
|Panasonic G80« »||Four Thirds||15.8||4592||3448||4K/30p||22.8||12.5||656||71||Panasonic G80|
|Panasonic GX8« »||Four Thirds||20.2||5184||3888||4K/30p||23.5||12.6||806||75||Panasonic GX8|
|Panasonic GH4« »||Four Thirds||15.9||4608||3456||4K/30p||23.2||12.8||791||74||Panasonic GH4|
|Panasonic GM5« »||Four Thirds||15.8||4592||3448||1080/60p||22.1||11.7||721||66||Panasonic GM5|
|Panasonic G6« »||Four Thirds||15.9||4608||3456||1080/60p||21.3||11.5||639||61||Panasonic G6|
|Panasonic GX1« »||Four Thirds||15.8||4592||3448||1080/60p||20.8||10.6||703||55||Panasonic GX1|
|Panasonic GH2« »||Four Thirds||15.9||4608||3456||1080/60i||21.2||11.3||655||60||Panasonic GH2|
|Ricoh GR« »||APS-C||16.1||4928||3264||1080/30p||23.6||13.5||972||78||Ricoh GR|
Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the GH3 provides a higher frame rate than the GM1. It can shoot video footage at 1080/60p, while the GM1 is limited to 1080/60i.
Feature comparison: Panasonic GH3 vs GM1
Beyond body and sensor, cameras can and do differ across a range of features. For example, the GH3 has an electronic viewfinder (1746k dots), which can be very helpful when shooting in bright sunlight. In contrast, the GM1 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Panasonic GH3, the Panasonic GM1, and comparable cameras.
|Panasonic GH3»||1746||n||3.0||614||swivel||Y||1/4000s||6.0||Y||n||Panasonic GH3|
|Panasonic GM1«||-||n||3.0||1036||fixed||Y||1/500s||5.0||Y||n||Panasonic GM1|
|Nikon D7100« »||optical||Y||3.2||1229||fixed||n||1/8000s||6.0||Y||n||Nikon D7100|
|Olympus E-M5 II« »||2360||n||3.0||1037||swivel||Y||1/8000s||10.0||n||Y||Olympus E-M5 II|
|Olympus E-M1« »||2360||n||3.0||1037||tilting||Y||1/8000s||10.0||n||Y||Olympus E-M1|
|Olympus E-M5« »||1440||n||3.0||610||tilting||Y||1/4000s||9.0||n||Y||Olympus E-M5|
|Panasonic G80« »||2360||n||3.0||1040||swivel||Y||1/4000s||9.0||Y||Y||Panasonic G80|
|Panasonic GX8« »||2360||n||3.0||1040||swivel||Y||1/8000s||10.0||n||Y||Panasonic GX8|
|Panasonic GH4« »||2359||n||3.0||1036||swivel||Y||1/8000s||12.0||Y||n||Panasonic GH4|
|Panasonic GM5« »||1166||n||3.0||921||fixed||Y||1/500s||5.8||n||n||Panasonic GM5|
|Panasonic G6« »||1440||n||3.0||1036||swivel||Y||1/4000s||7.0||Y||n||Panasonic G6|
|Panasonic GX1« »||-||n||3.0||460||fixed||Y||1/4000s||4.2||Y||n||Panasonic GX1|
|Panasonic GH2« »||1534||n||3.0||460||swivel||n||1/4000s||3.0||Y||n||Panasonic GH2|
|Ricoh GR« »||-||n||3.0||1230||fixed||n||1/4000s||4.0||Y||n||Ricoh GR|
The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the GM1 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).
The Panasonic GH3 and the Panasonic GM1 both have 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 GH3 and the GM1 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: Panasonic GH3 vs GM1
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 Panasonic Lumix DMC-GH3 and Panasonic Lumix DMC-GM1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Panasonic GH3»||Y||stereo||mono||Y||Y||mini||2.0||Y||-||-||Panasonic GH3|
|Panasonic GM1«||-||stereo||mono||-||-||micro||2.0||Y||-||-||Panasonic GM1|
|Nikon D7100« »||Y||stereo||mono||Y||Y||mini||2.0||-||-||-||Nikon D7100|
|Olympus E-M5 II« »||Y||stereo||mono||Y||-||micro||2.0||Y||-||-||Olympus E-M5 II|
|Olympus E-M1« »||Y||stereo||mono||Y||-||micro||2.0||Y||-||-||Olympus E-M1|
|Olympus E-M5« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Olympus E-M5|
|Panasonic G80« »||Y||stereo||mono||Y||-||micro||2.0||Y||-||-||Panasonic G80|
|Panasonic GX8« »||Y||stereo||mono||Y||-||micro||2.0||Y||Y||-||Panasonic GX8|
|Panasonic GH4« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Panasonic GH4|
|Panasonic GM5« »||Y||stereo||mono||-||-||micro||2.0||Y||-||-||Panasonic GM5|
|Panasonic G6« »||Y||stereo||mono||Y||-||mini||2.0||Y||Y||-||Panasonic G6|
|Panasonic GX1« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Panasonic GX1|
|Panasonic GH2« »||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Panasonic GH2|
|Ricoh GR« »||Y||mono||mono||-||-||micro||2.0||-||-||-||Ricoh GR|
It is notable that the GH3 has a hotshoe, while the GM1 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.
Studio photographers will appreciate that the Panasonic GH3 (unlike the GM1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Both the GH3 and the GM1 have been discontinued, but can regularly be found used on eBay. The GH3 was replaced by the Panasonic GH4, while the GM1 was followed by the Panasonic GM5. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Panasonic website.
Review summary: Panasonic GH3 vs GM1
So what is the bottom line? Is there a clear favorite between the Panasonic GH3 and the Panasonic GM1? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.
Arguments in favor of the Panasonic Lumix DMC-GH3:
- Better image quality: Scores markedly higher (5 points) in the DXO overall assessment.
- More dynamic range: Captures a larger spectrum of light and dark details (0.7 EV of extra DR).
- Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
- 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.
- Easier framing: Has an electronic viewfinder for image framing and settings control.
- More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/500s) to freeze action.
- Faster burst: Shoots at higher frequency (6 vs 5 flaps/sec) to capture the decisive moment.
- Longer lasting: Can take more shots (540 versus 230) on a single battery charge.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- More heavily discounted: Has been on the market for longer (launched in September 2012).
Reasons to prefer the Panasonic Lumix DMC-GM1:
- More detailed LCD: Has a higher resolution rear screen (1036k vs 614k dots).
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- More compact: Is smaller (99x55mm vs 133x93mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 346g or 63 percent) and is thus easier to take along.
- More affordable: Was introduced into a lower priced category (42 percent cheaper at launch).
- More modern: Was introduced somewhat (1 year) more recently.
If the number of relative strengths (bullet points above) is taken as a guide, the GH3 is the clear winner of the match-up (15 : 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 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.
How about other alternatives? Do the specifications of the Panasonic GH3 and the Panasonic GM1 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the GH3 or the GM1. 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: Panasonic GH3 vs GM1
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.
|Panasonic GH3»||+ +||79/100||4.5/5||5/5||4.5/5||Sep 2012||1,299||-||Panasonic GH3|
|Panasonic GM1«||+||78/100||5/5||4.5/5||4.5/5||Oct 2013||749||-||Panasonic GM1|
|Nikon D7100« »||+ +||85/100||4.5/5||5/5||4.5/5||Feb 2013||1,199||-||Nikon D7100|
|Olympus E-M5 II« »||+ +||81/100||5/5||4.5/5||5/5||Feb 2015||1,099||Olympus E-M5 II|
|Olympus E-M1« »||+ +||84/100||4.5/5||4.5/5||4.5/5||Sep 2013||1,399||-||Olympus E-M1|
|Olympus E-M5« »||+ +||80/100||4.5/5||5/5||5/5||Feb 2012||1,299||-||Olympus E-M5|
|Panasonic G80« »||+ +||84/100||5/5||4.5/5||4.5/5||Sep 2016||899||-||Panasonic G80|
|Panasonic GX8« »||+||82/100||4.5/5||5/5||4.5/5||Jul 2015||1,199||-||Panasonic GX8|
|Panasonic GH4« »||+ +||85/100||5/5||5/5||5/5||Feb 2014||1,499||-||Panasonic GH4|
|Panasonic GM5« »||+||77/100||5/5||5/5||4.5/5||Sep 2014||749||-||Panasonic GM5|
|Panasonic G6« »||+ +||-||5/5||-||4.5/5||Apr 2013||599||-||Panasonic G6|
|Panasonic GX1« »||+||77/100||4.5/5||4.5/5||4.5/5||Nov 2011||699||-||Panasonic GX1|
|Panasonic GH2« »||+ +||79/100||4.5/5||4.5/5||5/5||Sep 2010||899||-||Panasonic GH2|
|Ricoh GR« »||-||79/100||4.5/5||4.5/5||4.5/5||Apr 2013||799||-||Ricoh GR|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.|
The above review scores should be interpreted 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 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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon 1300D vs Panasonic GH3
- Canon G5 X vs Panasonic GM1
- Canon M6 vs Panasonic GM1
- Leica M10 vs Panasonic GM1
- Panasonic G1 vs Panasonic GH3
- Panasonic G1 vs Panasonic GM1
- Panasonic G2 vs Panasonic GH3
- Panasonic G3 vs Panasonic GM1
- Panasonic GH2 vs Panasonic GM1
- Panasonic GH3 vs Panasonic GX9
- Panasonic GH3 vs Pentax K-1
- Panasonic GH3 vs Sony RX100 IV
Specifications: Panasonic GH3 vs Panasonic GM1
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 Model||Panasonic GH3||Panasonic GM1|
|Camera Type||Mirrorless system camera||Mirrorless system camera|
|Camera Lens||Micro Four Thirds lenses||Micro Four Thirds lenses|
|Launch Date||September 2012||October 2013|
|Launch Price||USD 1299||USD 749|
|Sensor Specs||Panasonic GH3||Panasonic GM1|
|Sensor Format||Four Thirds Sensor||Four Thirds Sensor|
|Sensor Size||17.3 x 13.0 mm||17.3 x 13.0 mm|
|Sensor Area||224.9 mm2||224.9 mm2|
|Sensor Diagonal||21.6 mm||21.6 mm|
|Sensor Resolution||15.9 Megapixels||15.8 Megapixels|
|Image Resolution||4608 x 3456 pixels||4592 x 3448 pixels|
|Pixel Pitch||3.76 μm||3.77 μm|
|Pixel Density||7.08 MP/cm2||7.04 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||1080/60p Video||1080/60i Video|
|ISO Setting||200-12800 ISO||200-25600 ISO|
|ISO Boost||125-25600 ISO||125-25600 ISO|
|Image Processor||Venus VII FHD||Venus IX|
|DXO Sensor Quality (score)||71||66|
|DXO Color Depth (bits)||22.7||22.3|
|DXO Dynamic Range (EV)||12.4||11.7|
|DXO Low Light (ISO)||812||660|
|Screen Specs||Panasonic GH3||Panasonic GM1|
|Viewfinder Type||Electronic viewfinder||No viewfinder|
|Viewfinder Field of View||100%|
|Viewfinder Resolution||1746k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0 inch||3.0 inch|
|LCD Resolution||614k dots||1036k dots|
|LCD Attachment||Swivel screen||Fixed screen|
|Shooting Specs||Panasonic GH3||Panasonic GM1|
|Autofocus System||Contrast-detect AF||Contrast-detect AF|
|Manual Focusing Aid||No Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000/s||1/500/s|
|Continuous Shooting||6 shutter flaps/s||5 shutter flaps/s|
|Electronic Shutter||no E-Shutter||up to 1/16000s|
|Time-Lapse Photography||Intervalometer built-in||Intervalometer built-in|
|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||Panasonic GH3||Panasonic GM1|
|External Flash||Hotshoe||no Hotshoe|
|Studio Flash||PC Sync socket||no PC Sync|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||mini HDMI||micro HDMI|
|Microphone Port||External MIC port||no MIC socket|
|Headphone Socket||Headphone port||no Headphone port|
|Wifi Support||Wifi built-in||Wifi built-in|
|Body Specs||Panasonic GH3||Panasonic GM1|
|Environmental Sealing||Weathersealed body||Not weather sealed|
|Battery Type||DMW-BLF19 power pack||DMW-BLH7 power pack|
|Battery Life (CIPA)||540 shots per charge||230 shots per charge|
133 x 93 x 82 mm
(5.2 x 3.7 x 3.2 in)
99 x 55 x 30 mm
(3.9 x 2.2 x 1.2 in)
|Camera Weight||550 g (19.4 oz)||204 g (7.2 oz)|
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