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Panasonic GH4 vs Sony A6400

The Panasonic Lumix DMC-GH4 and the Sony Alpha A6400 are two enthusiast cameras that were officially introduced, respectively, in February 2014 and January 2019. Both the GH4 and the A6400 are mirrorless interchangeable lens cameras that are based on a Four Thirds (GH4) and an APS-C (A6400) sensor. The Panasonic has a resolution of 15.9 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Panasonic GH4   Sony A6400
Panasonic GH4 Sony A6400
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Sony E mount lenses
15.9 MP, Four Thirds Sensor 24 MP, APS-C Sensor
4K/30p Video 4K/30p Video
ISO 200-25600 ISO 100-32000 (100-102400)
Electronic viewfinder (2359k dots) Electronic viewfinder (2359k dots)
3.0" LCD, 1036k dots 3.0" LCD, 922k dots
Swivel touchscreen Tilting touchscreen
12 shutter flaps per second 11 shutter flaps per second
Weathersealed bodyNot weather sealed
500 shots per battery charge410 shots per battery charge
133 x 93 x 84 mm, 560 g 120 x 67 x 50 mm, 403 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-GH4 and the Sony Alpha A6400? 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 GH4 vs Sony A6400

The physical size and weight of the Panasonic GH4 and the Sony A6400 are illustrated 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 size dimensions are rounded to the nearest millimeter.

Size Panasonic GH4 vs Sony A6400
Compare GH4 versus A6400 top
Comparison GH4 or A6400 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A6400 is considerably smaller (35 percent) than the Panasonic GH4. Moreover, the A6400 is markedly lighter (28 percent) than the GH4. It is worth mentioning in this context that the GH4 is splash and dust resistant, while the A6400 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 Micro Four Thirds Lens Catalog (GH4) and the Sony E-Mount Lens Catalog (A6400). 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.

Concerning battery life, the GH4 gets 500 shots out of its DMW-BLF19 battery, while the A6400 can take 410 images on a single charge of its NP-FW50 power pack. The power pack in the A6400 can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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
 
Panasonic GH4» 133 mm 93 mm 84 mm 560 g 500 Y Feb 2014 1,499- i Panasonic GH4
 
Sony A6400« 120 mm 67 mm 50 mm 403 g 410 n Jan 2019 899 i i Sony A6400
 
Canon 2000D« » 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 449 i i Canon 2000D
 
Canon M50« » 116 mm 88 mm 59 mm 390 g 235 n Feb 2018 779 i i Canon M50
 
Canon M5« » 116 mm 89 mm 61 mm 427 g 295 n Sep 2016 979 i i Canon M5
 
Olympus E-M5 II« » 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099 i i Olympus E-M5 II
 
Olympus E-M1« » 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399- i Olympus E-M1
 
Panasonic GH5« » 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 1,999 i i Panasonic GH5
 
Panasonic G80« » 128 mm 89 mm 74 mm 505 g 330 Y Sep 2016 899- i Panasonic G80
 
Panasonic GX8« » 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199- i Panasonic GX8
 
Panasonic GM5« » 99 mm 60 mm 36 mm 211 g 220 n Sep 2014 749- i Panasonic GM5
 
Panasonic G6« » 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599- i Panasonic G6
 
Panasonic GM1« » 99 mm 55 mm 30 mm 204 g 230 n Oct 2013 749- i Panasonic GM1
 
Panasonic GH3« » 133 mm 93 mm 82 mm 550 g 540 Y Sep 2012 1,299- i Panasonic GH3
 
Sony A6300« » 120 mm 67 mm 49 mm 404 g 400 Y Feb 2016 999- i Sony A6300
 
Sony A6000« » 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 599- i Sony A6000
 
Sony A7« » 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 1,699- i Sony A7
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 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 A6400 was launched at a markedly lower price (by 40 percent) than the GH4, 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 GH4 vs Sony A6400

The size of the sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic GH4 features a Four Thirds sensor and the Sony A6400 an APS-C sensor. The sensor area in the A6400 is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the GH4 has a native 4:3 aspect ratio, while the one in the A6400 offers a 3:2 aspect.

Panasonic GH4 and Sony A6400 sensor measures

With 24MP, the A6400 offers a higher resolution than the GH4 (15.9MP), but the A6400 nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.76μm for the GH4) due to its larger sensor. Moreover, the A6400 is a much more recent model (by 4 years and 11 months) than the GH4, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A6400 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A6400 for good quality output (200 dots per inch) amounts to 30 x 20 inch or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inch or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inch or 50.8 x 33.9 cm. The corresponding values for the Panasonic GH4 are 23 x 17.3 inch or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inch or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inch or 39 x 29.3 cm for excellent quality prints.

The A6400 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Panasonic Lumix DMC-GH4 has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600. The corresponding ISO settings for the Sony Alpha A6400 are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 100-102400.

GH4 versus A6400 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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"). Of the two cameras under consideration, the A6400 has a markedly higher DXO score than the GH4 (overall score 9 points higher), which will translate into better image quality. The advantage is based on 0.8 bits higher color depth, 0.8 EV in additional dynamic range, and 0.9 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
 
Panasonic GH4» Four Thirds 15.9 4608 34564K/30p23.212.879174Panasonic GH4
 
Sony A6400« APS-C 24.0 6000 40004K/30p2413.6143183Sony A6400
 
Canon 2000D« » APS-C 24.0 6000 40001080/30p22.611.9100971Canon 2000D
 
Canon M50« » APS-C 24.0 6000 40004K/24p----Canon M50
 
Canon M5« » APS-C 24.0 6000 40001080/60p23.412.4126277Canon M5
 
Olympus E-M5 II« » Four Thirds 15.9 4608 34561080/60p23.012.584273Olympus E-M5 II
 
Olympus E-M1« » Four Thirds 15.9 4608 34561080/30p23.012.775773Olympus E-M1
 
Panasonic GH5« » Four Thirds 20.2 5184 38884K/60p23.913.080777Panasonic GH5
 
Panasonic G80« » Four Thirds 15.8 4592 34484K/30p22.812.565671Panasonic G80
 
Panasonic GX8« » Four Thirds 20.2 5184 38884K/30p23.512.680675Panasonic GX8
 
Panasonic GM5« » Four Thirds 15.8 4592 34481080/60p22.111.772166Panasonic GM5
 
Panasonic G6« » Four Thirds 15.9 4608 34561080/60p21.311.563961Panasonic G6
 
Panasonic GM1« » Four Thirds 15.8 4592 34481080/60i22.311.766066Panasonic GM1
 
Panasonic GH3« » Four Thirds 15.9 4608 34561080/60p22.712.481271Panasonic GH3
 
Sony A6300« » APS-C 24.0 6000 40004K/30p24.413.7143785Sony A6300
 
Sony A6000« » APS-C 24.0 6000 40001080/60p24.113.1134782Sony A6000
 
Sony A7« » Full Frame 24.0 6000 40001080/60p24.814.2224890Sony A7

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (4K/30p).

 

Feature comparison: Panasonic GH4 vs Sony A6400

Beyond body and sensor, cameras can and do differ across a range of features. The GH4 and the A6400 are similar in the sense that both feature an electronic viewfinder, which is helpful when framing images in bright sunlight. Moreover, their viewfinders offer an identical resolution of 2359k dots. The adjacent table lists some of the other core features of the Panasonic GH4 and Sony A6400 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
 
Panasonic GH4»2359 n 3.0 1036 swivel Y 1/8000s 12.0 Y n Panasonic GH4
 
Sony A6400«2359 n 3.0 922 tilting Y 1/4000s 11.0 Y n Sony A6400
 
Canon 2000D« »optical n 3.0 920 fixed n 1/4000s 3.0 Y n Canon 2000D
 
Canon M50« »2360 n 3.0 1040 swivel Y 1/4000s 10.0 Y n Canon M50
 
Canon M5« »2360 n 3.2 1620 tilting Y 1/4000s 9.0 Y n Canon M5
 
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
 
Panasonic GH5« »3680 n 3.2 1620 swivel Y 1/8000s 12.0 n Y Panasonic GH5
 
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 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 GM1« »- n 3.0 1036 fixed Y 1/500s 5.0 Y n Panasonic GM1
 
Panasonic GH3« »1746 n 3.0 614 swivel Y 1/4000s 6.0 Y n Panasonic GH3
 
Sony A6300« »2359 n 3.0 922 tilting n 1/4000s 11.0 Y n Sony A6300
 
Sony A6000« »1440 n 3.0 922 tilting n 1/4000s 11.0 Y n Sony A6000
 
Sony A7« »2400 n 3.0 1230 tilting n 1/8000s 5.0 n n Sony A7
Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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, both cameras under consideration feature an 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 GH4 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 GH4 writes its imaging data to SDXC cards, while the A6400 uses SDXC or Memory Stick PRO Duo 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 GH4 vs Sony A6400

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-GH4 and Sony Alpha A6400 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
 
Panasonic GH4»YstereomonoYYmicro2.0YY-Panasonic GH4
 
Sony A6400«YstereomonoY-micro2.0YYYSony A6400
 
Canon 2000D« »Ymonomono--mini2.0YY-Canon 2000D
 
Canon M50« »YstereomonoY-micro2.0YYYCanon M50
 
Canon M5« »YstereomonoY-mini2.0YYYCanon M5
 
Olympus E-M5 II« »YstereomonoY-micro2.0Y--Olympus E-M5 II
 
Olympus E-M1« »YstereomonoY-micro2.0Y--Olympus E-M1
 
Panasonic GH5« »YstereomonoYYfull3.1Y-YPanasonic GH5
 
Panasonic G80« »YstereomonoY-micro2.0Y--Panasonic G80
 
Panasonic GX8« »YstereomonoY-micro2.0YY-Panasonic GX8
 
Panasonic GM5« »Ystereomono--micro2.0Y--Panasonic GM5
 
Panasonic G6« »YstereomonoY-mini2.0YY-Panasonic G6
 
Panasonic GM1« »-stereomono--micro2.0Y--Panasonic GM1
 
Panasonic GH3« »YstereomonoYYmini2.0Y--Panasonic GH3
 
Sony A6300« »YstereomonoY-micro2.0YY-Sony A6300
 
Sony A6000« »Ystereomono--micro2.0YY-Sony A6000
 
Sony A7« »YstereomonoYYmicro2.0YY-Sony A7

It is notable that the GH4 has a headphone jack, which is not present on the A6400 This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

Studio photographers will appreciate that the Panasonic GH4 (unlike the A6400) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The A6400 is a recent model that features in the current product line-up of Sony. In contrast, the GH4 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the GH4 was succeeded by the Panasonic GH5. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Panasonic and Sony websites.


Review summary: Panasonic GH4 vs Sony A6400

So how do things add up? Which of the two cameras – the Panasonic GH4 or the Sony A6400 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Panasonic Lumix DMC-GH4:

  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More detailed LCD: Has a higher resolution rear screen (1036k vs 922k dots).
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (500 versus 410) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been available for much longer (launched in February 2014).

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Arguments in favor of the Sony Alpha A6400:

  • More detail: Has more megapixels (24 vs 15.9MP), which boosts linear resolution by 25%.
  • Better image quality: Scores markedly higher (9 points) in the DXO overall evaluation.
  • More dynamic range: Captures a broader range of light and dark details (0.8 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.9 stops ISO advantage).
  • Better live-view autofocus: Features on-sensor phase-detection for quicker and more confident autofocus.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.67x).
  • More compact: Is smaller (120x67mm vs 133x93mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 157g or 28 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (40 percent cheaper at launch).
  • More modern: Reflects 4 years and 11 months of technical progress since the GH4 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the A6400 emerges as the winner of the match-up (11 : 9 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.

GH4 09:11 A6400

How about other alternatives? Do the specifications of the Panasonic GH4 and the Sony A6400 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 incomplete and does no justice, for example, to the way the GH4 or the A6400 perform in practice. 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: Panasonic GH4 vs Sony A6400

This is where reviews by experts come in. 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
 
Panasonic GH4»+ +85/1005/55/55/5 Feb 2014 1,499- i Panasonic GH4
 
Sony A6400«+85/1004.5/5-4/5 Jan 2019 899 i i Sony A6400
 
Canon 2000D« »o-3.5/5-3.5/5 Feb 2018 449 i i Canon 2000D
 
Canon M50« »+79/100-4/53.5/5 Feb 2018 779 i i Canon M50
 
Canon M5« »+82/1004/54.5/54/5 Sep 2016 979 i i Canon M5
 
Olympus E-M5 II« »+ +81/1005/54.5/55/5 Feb 2015 1,099 i i Olympus E-M5 II
 
Olympus E-M1« »+ +84/1004.5/54.5/54.5/5 Sep 2013 1,399- i Olympus E-M1
 
Panasonic GH5« »+ +85/1004.5/55/55/5 Jan 2017 1,999 i i Panasonic GH5
 
Panasonic G80« »+ +84/1005/54.5/54.5/5 Sep 2016 899- i Panasonic G80
 
Panasonic GX8« »+82/1004.5/55/54.5/5 Jul 2015 1,199- i Panasonic GX8
 
Panasonic GM5« »+77/1005/55/54.5/5 Sep 2014 749- i Panasonic GM5
 
Panasonic G6« »+ +-5/5-4.5/5 Apr 2013 599- i Panasonic G6
 
Panasonic GM1« »+78/1005/54.5/54.5/5 Oct 2013 749- i Panasonic GM1
 
Panasonic GH3« »+ +79/1004.5/55/54.5/5 Sep 2012 1,299- i Panasonic GH3
 
Sony A6300« »+85/1005/55/55/5 Feb 2016 999- i Sony A6300
 
Sony A6000« »+80/1004.5/55/55/5 Feb 2014 599- i Sony A6000
 
Sony A7« »+ +80/1005/54.5/55/5 Oct 2013 1,699- i Sony A7
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Panasonic GH4:
Check Ebay offers
Sony A6400:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes 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: Panasonic GH4 vs Sony A6400

    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 Panasonic GH4 Sony A6400
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Sony E mount lenses
    Launch Date February 2014 January 2019
    Launch Price USD 1499 USD 899
    Sensor Specs Panasonic GH4 Sony A6400
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.5 x 15.6 mm
    Sensor Area 224.9 mm2 366.6 mm2
    Sensor Diagonal 21.6 mm 28.2 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 15.9 Megapixels 24 Megapixels
    Image Resolution 4608 x 3456 pixels 6000 x 4000 pixels
    Pixel Pitch 3.76 μm 3.91 μm
    Pixel Density 7.08 MP/cm2 6.55 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 200-25600 ISO 100-32000 ISO
    ISO Boost 100-25600 ISO 100-102400 ISO
    Image Processor Venus IX BIONZ X
    DXO Sensor Quality (score) 74 83
    DXO Color Depth (bits) 23.2 24
    DXO Dynamic Range (EV) 12.8 13.6
    DXO Low Light (ISO) 791 1431
    Screen Specs Panasonic GH4 Sony A6400
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.67x 0.70x
    Viewfinder Resolution 2359k dots 2359k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1036k dots 922k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Panasonic GH4 Sony A6400
    Autofocus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/4000/s
    Continuous Shooting 12 shutter flaps/s 11 shutter flaps/s
    Shutter Life Expectancy200 000 actuations200 000 actuations
    Electronic Shutterup to 1/8000sYES
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Panasonic GH4 Sony A6400
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Panasonic GH4 Sony A6400
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type DMW-BLF19 power pack NP-FW50 power pack
    Battery Life (CIPA)500 shots per charge410 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 133 x 93 x 84 mm
    (5.2 x 3.7 x 3.3 in)
    120 x 67 x 50 mm
    (4.7 x 2.6 x 2.0 in)
    Camera Weight 560 g (19.8 oz) 403 g (14.2 oz)

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