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Panasonic Lumix DC-GH6 vs Sony a7 III Comparison

Storage & Battery

Panasonic Lumix DC-GH6

Panasonic Lumix DMC GH6 camera image

Sony a7 III

Sony A7 III camera
Panasonic Lumix DC-GH6
Sony a7 III
Lumix DC-GH6
a7 III
Refers to the year this camera was officially made available for sale.
Announcement Date
Refers to the date the manufacturer publicly announced the upcoming release and general specs of this camera.
February 22, 2022
February 27, 2018
Camera Type
Camera Size
Camera Weight

The Panasonic Lumix DC-GH6 and the Sony a7 III are both mirrorless cameras, with the Sony a7 III taking the lead with a score of 81 compared to the Panasonic GH6’s 73. Both cameras were announced in February, with the GH6 in 2022 and the a7 III in 2018. In terms of size and weight, the GH6 measures 138 x 100 x 100mm and weighs 823g, whereas the a7 III is smaller and lighter at 127 x 96 x 74mm and 650g.

The Sony a7 III outshines the Panasonic GH6 in several aspects, which contribute to its higher score. The a7 III’s compact size and lighter weight make it more portable and comfortable to use during longer shooting sessions. Additionally, the lower price tag is likely to attract more budget-conscious photographers.

On the other hand, the Panasonic GH6, despite its lower score, has some advantages over the Sony a7 III. Being a newer release, the GH6 may offer more advanced features and improved performance. Furthermore, the larger size might provide better ergonomics for some users, depending on their preferences.

Taking all these factors into consideration, the Sony a7 III is the better camera due to its higher score, compact size, lighter weight, and lower price. However, the Panasonic GH6 remains a strong contender, especially for those who value its newer release and potential for advanced features.

Panasonic Lumix DC-GH6 vs Sony a7 III Overview and Optics

The Sony a7 III triumphs over the Panasonic Lumix DC-GH6 in optics, scoring 81/100 compared to the GH6’s 69/100. Both cameras share similarities, such as CMOS sensors, image stabilisation, and lens mounts. However, each camera excels in different areas, contributing to their overall scores.

The GH6 boasts a slightly higher megapixel count at 25, compared to the a7 III’s 24.2, and a faster shooting speed of 14 frames per second versus the a7 III’s 10. These factors give the GH6 an advantage in capturing high-resolution images at a rapid pace, making it ideal for action photography. The GH6 also has a Venus Engine processor, Micro Four Thirds sensor size, and a Micro 4/3 lens mount.

On the other hand, the Sony a7 III outshines the GH6 with its impressive DXOMARK sensor score of 96, significantly higher than the GH6’s 71. This indicates superior image quality and low-light performance. The a7 III also features a full-frame sensor, providing a larger field of view and better image quality than the GH6’s Micro Four Thirds sensor. Additionally, the a7 III utilizes a Bionz X processor and a Sony FE lens mount.

Considering these factors, the Sony a7 III emerges as the better option for those seeking superior image quality and low-light performance, while the Panasonic GH6 may be preferable for action photography due to its faster shooting speed. The choice ultimately depends on the individual’s priorities and needs in a camera.

The higher the number of megapixels, the more detail the cameras sensor can capture.
25 MP
24.2 MP
Image Resolution
Image resolution is measured in pixels and megapixels, width by height. The higher the number, the higher its resolution.
5776 x 4336 px
6000 x 4000 px
Sensor Type
The camera sensor captures light and records the image. Sensors vary in physical size, the number of pixels, and quality.
Sensor Size
The sensor size contributes to the overall quality as well as the dynamic and tonal range a camera can capture. As a rule of thumb, the more surface there is to read the light, the more information it will capture.
17.3 x 13 mm
23.8 x 35.6 mm
Sensor Format
Refers to the most commonly used sensor sizes.
Micro Four Thirds
Full Frame
Frame Rate
The number of sequential frames per second the camera can write to the memory card when shooting in burst or continuous mode.
14 fps
10 fps
Lens Mount
The lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras.
Micro 4/3
Sony FE
Image Processor
The image processor in the camera converts the information collected on the sensor for digital storage on the memory card.
Venus Engine
Bionz X
Aspect Ratio
The aspect ratio refers to the proportional difference between width and height. The most popular aspect ratios are 3:2 and 4:3.
Minimum ISO (Native)
Refers to the lowest native (or 'base') ISO setting. Lower ISO are less sensitive to light but make a cleaner image.
Maximum ISO (Native)
Refers to the highest native (or 'base') ISO setting. Higher ISO is necessary for low-light situations or night photography, but higher ISOs often introduce grain or noise.
Minimum ISO (Expanded)
Expanded (or extended) ISO is a digitally enhanced feature available on some cameras. It allows you to push beyond the native ISO range if necessary.
Maximum ISO (Expanded)
Expanded (or extended) ISO is a digitally enhanced feature available on some cameras. It allows you to push beyond the native ISO range if necessary.
Minimum Shutter Speed
The minimum shutter speed will tell you the longest exposure your camera can take without using an external accessory.
60 s
30 s
Maximum Shutter Speed
The maximum shutter speed tells you the length inside 1 second the camera will capture. These can sometimes be extended with accessories such as extra external batteries.
1/ 8000 s
1/ 8000 s
Autofocus Points
Autofocus points show where the camera is focusing graphically as squares or brackets in Live View or on an electronic viewfinder. These points are also used for light meter readings.
In-body Stabilization
In-body Stabilization means the camera has a certain technology embedded that counteracts camera shake.
Viewfinder Type
The viewfinder type is either electronic or optical. Electronic viewfinders will have a small screen in the viewfinder. Optical viewfinders will use prisms and mirrors to look through the lens.
Viewfinder Resolution
3,686,400 dots
2,359,296 dots

Panasonic Lumix DC-GH6 vs Sony a7 III Video Performance

The Panasonic Lumix DC-GH6 outperforms the Sony a7 III in video capabilities, with a score of 96 versus the Sony’s 70. This significant difference in scores shows the superiority of the GH6 in terms of video performance.

Both cameras share some common video specifications, such as offering 4K resolution. However, the GH6 surpasses the a7 III by providing a maximum video resolution of 6K and dimensions of 5760 x 2880. This higher resolution allows for more detailed and sharper video quality compared to the a7 III’s maximum resolution of 4K and dimensions of 3840 x 2160.

Additionally, the GH6 offers a higher maximum video frame rate of 120fps, which enables smoother and more dynamic slow-motion footage. In contrast, the a7 III has a maximum frame rate of just 30fps.

While the Sony a7 III falls short in these aspects, it still offers good video quality with its 4K resolution. However, it does not provide any unique advantages over the GH6 in terms of video performance.

Considering the higher video resolution, superior frame rate, and built-in time-lapse functionality, the Panasonic Lumix DC-GH6 is the clear winner in video capabilities. The Sony a7 III, though a decent option, does not match the GH6’s performance, making the GH6 a better choice for those prioritizing video quality and features.

Indicates if this camera is capable of recording video.
Max Video Resolution
The best resolution this camera can capture video in. Modern cameras can capture up to 8K video.
Max Video Dimensions
Video resolution measured by the greatest number of pixels possible in each frame, width by height. A higher resolution means more detail or clarity in your video.
5760 x 2880 px
3840 x 2160 px
Max Video Frame Rate
How many frames per second your video will capture. Most cameras have options for multiple frame rates, depending on the resolution you shoot in. For a general video, 24p or 30p is the standard, but more serious filmmakers may need a higher frame rate for creative effect.
120 p
30 p
Time-Lapse Built In
A built in time-lapse mode will allow continuous shooting throughout a prolonged period of time to be compressed into a sped up video.
Video File Format
Different cameras can record in various video file formats. The File format you record in can impact how you edit and use the files.

Panasonic Lumix DC-GH6 vs Sony a7 III Features and Benefits

The Panasonic Lumix DC-GH6 takes the lead with a feature score of 83/100, while the Sony a7 III trails slightly behind with a score of 81/100. Both cameras share several similarities in their features. They both have a 3-inch screen size, touchscreen capabilities, flip screens, and lack GPS functionality. Additionally, both cameras are equipped with WIFI and Bluetooth connectivity.

The Lumix DC-GH6 outperforms the Sony a7 III in terms of screen resolution, with 1,240,000 dots compared to the a7 III’s 921,600 dots. This higher screen resolution provides sharper image previews and improved camera control, giving the GH6 a clear advantage in this aspect.

On the other hand, the Sony a7 III does not have any specific features that significantly surpass the Lumix DC-GH6. The difference in their feature scores is minimal, and the a7 III does not possess any standout attributes to claim superiority over the GH6 in this comparison.

In light of these points, it is evident that the Panasonic Lumix DC-GH6 offers better features than the Sony a7 III, particularly in screen resolution. The higher resolution allows for enhanced image previews and camera control, making it a more suitable choice for photographers who prioritize these aspects. While the Sony a7 III does not have any distinct advantages over the GH6, it is still a solid camera option with comparable features. However, the Lumix DC-GH6 ultimately emerges as the superior choice in this comparison.

Built-in Flash
A built-in flash will often be positioned right above the lens. This will automatically pop up when you activate it.
External Flash
External flashes are often connected through a hot shoe at the top of a camera, or a cable at the side of the camera.
GPS features in a camera will include location metadata to each of your photographs.
Weather Sealing
Weather sealing capabilities will give you more confidence when shooting in unfavourable conditions.
Screen Type
Touch Screen
Touchscreen allows you to change camera settings and access menus with a swipe of your finger, instead of using buttons.
Screen Size
Screen Resolution
Screen dots indicate the resolution of the LCD screen by including each sub pixel.
1,240,000 dots
921,600 dots
Flip Screen
A flip screen (or articulating screen) is a second screen which can flip out from the side or top of the camera. This rotating screen allows you more freedom to take photos at different angles.
Live View
Live View feature allows you to see a continuous live video of what is being seen through your lens.
Bluetooth capabilities allow you wireless control of your camera with other external devices.

Panasonic Lumix DC-GH6 vs Sony a7 III Storage and Battery

The Panasonic Lumix DC-GH6 and Sony a7 III share common specifications, such as having two memory card slots and Li-ion battery packs. However, there are differences that set them apart.

The Lumix DC-GH6 accepts SD (UHS-II compatible) and CFexpress B memory cards, offering faster write speeds and larger storage capacities. Additionally, it supports USB charging, providing more convenience and flexibility when powering the camera.

On the other hand, the Sony a7 III accepts SD / SDHC / SDXC and Memory Stick Duo / Pro Duo / Pro-HG Duo cards and excels in battery life, offering 750 shots compared to the GH6’s 360 shots per charge.

Storage and Battery
Storage and Battery
Memory Card
SD (UHS-II compatible), CFexpress B
SD / SDHC / SDXC, Memory Stick Duo / Pro Duo / Pro-HG Duo
Dual Memory Card Slots
Battery Type
Li-ion Battery Pack
Battery Life
Approximately how long this cameras battery will last measured by how many photographs you will be able to take.
360 shots
750 shots
USB Charging
Sensor scores tested by DXOMARK
Overall Score
DXOMARK overall sensor score.
Portrait (Color Depth)
As described by DXOMARK 'The Portrait score in our camera sensor reviews defines color depth performance and its unit is a number of bits. A color depth of 22 bits is excellent; differences below 1 bit are barely noticeable.'
25.1 bits
Landscape (Dynamic Range)
As described by DXOMARK 'The Landscape score in our camera sensor tests defines the maximum dynamic range of the camera sensor and its unit is an exposure value (EV). A value of 12 EV is excellent with differences below 0.5 EV usually not noticeable.'
14.7 EVs
Sports (Low-Light ISO)
Described by DXOMARK as 'The maximal value of ISO sensitivity needed to reach a given value of Signal-to-Noise Ratio (SNR). The greater the value, the better'
Main Features
Extra Features
Construction and Durability
Handling and Ergonomics
Value for Money
Total Score

Alternatives to the Panasonic Lumix DC-GH6 and Sony a7 III

Panasonic Lumix DC-GH6 vs Sony a7 III Comparison image.

Are you still undecided about which camera is right for you? Have a look at these popular comparisons that feature the Panasonic Lumix DC-GH6 or the Sony a7 III:

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