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Sony a6600 vs a7 III Comparison

Storage & Battery

Sony a6600

Sony a6600 camera

Sony a7 III

Sony A7 III camera
Sony a6600
Sony a7 III
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.
August 28, 2019
February 27, 2018
Camera Type
Camera Size
Camera Weight

The Sony a7 III takes the lead with a score of 81, while the Sony a6600 trails behind at 75/100. Both cameras are mirrorless and were released in 2018 and 2019, respectively.

Common specifications between the two cameras include their mirrorless design and similar announcement dates. The a7 III outshines the a6600 with a better overall score, indicating superior performance. However, the a6600 has its advantages, such as a lower launch price and lighter weight, making it more budget-friendly and portable. The a6600 weighs 503g, while the a7 III comes in at 650g.

Taking into account the specifications and scores, the Sony a7 III stands as the better option for those seeking top performance, while the Sony a6600 is more suitable for those prioritizing affordability and portability.

Sony a6600 vs a7 III Overview and Optics

The Sony a7 III emerges as the winner in the optics comparison with a score of 81/100, while the Sony a6600 trails close behind with a score of 76/100. Both cameras share several specifications, including 24.2-megapixel resolution, CMOS sensor type, Bionz X processor, Sony lens mount, and image stabilization. However, there are distinct differences that contribute to the a7 III’s superior optics score.

The Sony a7 III boasts a full-frame sensor, which is larger than the APS-C sensor found in the a6600. This difference leads to the a7 III’s higher DXOMARK sensor score of 96, compared to the a6600’s score of 82. The larger sensor size provides the a7 III with better low-light performance, increased dynamic range, and superior image quality.

Despite the a6600’s lower optics score, it does have a slight advantage in shooting speed, capturing 11 frames per second compared to the a7 III’s 10. This difference may be beneficial for photographers who prioritize fast action and sports photography.

To conclude, the Sony a7 III outperforms the a6600 in terms of optics, mainly due to its full-frame sensor and higher DXOMARK sensor score. This results in better low-light performance and overall image quality. However, the a6600 offers a minor advantage in shooting speed. Ultimately, the choice between these two cameras depends on the individual photographer’s needs and priorities.

The higher the number of megapixels, the more detail the cameras sensor can capture.
24.2 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.
6000 x 4000 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.
15.6 x 23.5 mm
23.8 x 35.6 mm
Sensor Format
Refers to the most commonly used sensor sizes.
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.
11 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.
Sony E
Sony FE
Image Processor
The image processor in the camera converts the information collected on the sensor for digital storage on the memory card.
Bionz X
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.
30 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/ 4000 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
2,359,296 dots
2,359,296 dots

Sony a6600 vs a7 III Video Performance

The Sony a6600 emerges as the superior choice for video capabilities, scoring 91 out of 100 compared to the Sony a7 III’s 70. Both cameras share some common features, such as 4K video resolution and maximum video dimensions of 3840 x 2160. However, the a6600 outperforms the a7 III in other aspects, which contributes to its higher score.

The Sony a6600 boasts a maximum video frame rate of 100fps, significantly higher than the a7 III’s 30fps. This means the a6600 can capture smoother and more detailed slow-motion footage, providing greater creative possibilities for videographers. 0

While the Sony a7 III falls short in terms of frame rate and time-lapse capabilities, it still offers a reliable video performance with its 4K resolution and 3840 x 2160 video dimensions. Despite its lower score, the a7 III remains a viable option for those seeking high-quality video recording.

When comparing the video capabilities of the Sony a6600 and a7 III, the a6600 proves to be the better option. Its higher frame rate and built-in time-lapse functionality give it a clear advantage, resulting in a higher score. The a7 III, though not as advanced in these areas, still delivers quality video recording. Ultimately, the choice between these cameras will depend on individual preferences and priorities, but the a6600’s superior video features make it a more versatile and appealing option.

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.
3840 x 2160 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.
30 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.

Sony a6600 vs a7 III Features and Benefits

The Sony a6600 and Sony a7 III both achieve feature scores of 81/100. These cameras share several common specifications, including a 3-inch screen size, 921,600-dot screen resolution, touchscreen capabilities, flip screen, and the absence of GPS. Additionally, both cameras have WIFI and Bluetooth connectivity.

Despite having the same feature score, the Sony a6600 has some advantages over the a7 III. The a6600 is a compact, lightweight camera, making it more portable and convenient for travel and everyday use. Additionally, the a6600 uses an APS-C sensor, which allows for a higher crop factor, resulting in greater reach when using telephoto lenses. This can be beneficial for wildlife and sports photography.

On the other hand, the Sony a7 III also has some advantages. The most notable is its full-frame sensor, which provides better image quality, especially in low light situations. The a7 III also has a more advanced autofocus system, with more focus points and better tracking capabilities. This makes the a7 III more suitable for professional photographers and those who require high-quality images in challenging conditions.

In comparing the features of the Sony a6600 and Sony a7 III, it is evident that both cameras have their strengths. The a6600’s compact size and greater reach with telephoto lenses may appeal to those who prioritize portability and versatility. Meanwhile, the a7 III’s superior image quality and autofocus system cater to professionals and serious enthusiasts who demand exceptional performance. Ultimately, the choice between these two cameras will depend on the individual’s specific needs and preferences.

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.
921,600 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.

Sony a6600 vs a7 III Storage and Battery

The Sony a7 III takes the lead in storage and battery with a score of 81/100, compared to the Sony a6600’s score of 48/100. Both cameras share common specifications, including accepting SD/SDHC/SDXC and Memory Stick Pro Duo cards, and using the NP-FZ100 battery type.

The a7 III outperforms the a6600 with its dual memory card slots, offering more storage capacity and flexibility. This feature is particularly useful for professional photographers who require backup storage or want to separate different types of media.

On the other hand, the a6600 has a slightly longer battery life, capable of capturing 810 shots, whereas the a7 III can capture 750 shots. Additionally, both offer USB charging, providing more convenient charging options for users on the go.

Despite the a6600’s advantages in battery life , the a7 III’s superior storage capabilities make it the stronger choice for those prioritizing storage and battery.

Storage and Battery
Storage and Battery
Memory Card
SD / SDHC / SDXC, Memory Stick Pro Duo
SD / SDHC / SDXC, Memory Stick Duo / Pro Duo / Pro-HG Duo
Dual Memory Card Slots
Battery Type
Battery Life
Approximately how long this cameras battery will last measured by how many photographs you will be able to take.
810 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.'
23.8 bits
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.'
13.4 EVs
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

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