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Sony a6600 vs a9 II Comparison

Storage & Battery

Sony a6600

Sony a6600 camera

Sony a9 II

Sony a9 II
Sony a6600
Sony a9 II
a9 II
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
October 03, 2019
Camera Type
Camera Size
Camera Weight

The Sony a9 II emerges as the winner with a score of 82/100, outperforming the Sony a6600, which scored 75/100. Both cameras share similarities as mirrorless models, released in 2019. The a9 II excels with its larger size (129 x 96 x 76mm) and heavier weight (678g / 1.49lbs), providing a more robust feel and professional experience. On the other hand, the a6600 has its advantages, being more compact (120 x 67 x 69mm) and lighter (503g / 1.11lbs), making it easier to carry around.

Considering the price, the a6600 is a more budget-friendly option at $1200, while the a9 II is significantly pricier at $4500. Despite the cost difference, the a9 II’s higher score reflects its superior performance and features. The a6600, however, still offers great value for its price.

Sony a6600 vs a9 II Overview and Optics

The Sony a9 II takes the lead in optics with a score of 82/100, while the Sony a6600 trails behind with a score of 76/100. Both cameras share several specifications, such as 24.2 megapixels, CMOS sensor type, Bionz X processor, and image stabilization. They also both utilize the Sony lens mount, with the a6600 using the E mount and the a9 II using the FE mount.

The Sony a9 II excels with its higher DXOMARK sensor score of 93, compared to the a6600’s 82. This difference results in better image quality and low-light performance. Additionally, the a9 II boasts a full-frame sensor size, which provides a wider field of view and improved dynamic range. Its shooting speed of 20 frames per second also surpasses the a6600’s 11 frames per second, making it an ideal choice for action and sports photography.

On the other hand, the Sony a6600 has its own advantages, such as the smaller APS-C sensor size. This feature makes the camera more compact and lightweight, which could be beneficial for travel and casual photography. However, the a6600’s lower DXOMARK score and shooting speed may limit its versatility in more demanding situations.

Taking these factors into account, the Sony a9 II is the clear winner in terms of optics, offering superior image quality, low-light performance, and faster shooting speed. The Sony a6600, while more compact and lightweight, does not match the a9 II’s capabilities in these areas. Therefore, photographers seeking the best optical performance should opt for the Sony a9 II, while those prioritizing portability may find the Sony a6600 more suitable.

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
20 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/ 32000 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
3,686,400 dots

Sony a6600 vs a9 II Video Performance

The Sony a6600 is the superior camera for video capabilities, scoring 91/100 compared to the Sony a9 II’s score of 70/100. Both cameras share common specifications, including 4K maximum video resolution and 3840 x 2160 maximum video dimensions. Additionally, both cameras have built-in time-lapse functionality.

The Sony a6600 outperforms the Sony a9 II in terms of video capabilities due to its higher maximum video frame rate. The a6600 can capture video at 100fps, while the a9 II can only capture at 30fps. This difference allows the a6600 to produce smoother videos, especially when capturing fast-moving subjects or creating slow-motion footage.

While the Sony a9 II may not have a higher video frame rate, it still offers solid video performance. The 4K video resolution and built-in time-lapse functionality provide versatility for various video projects. However, the a6600’s superior frame rate sets it apart from the a9 II in this comparison.

The Sony a6600’s higher video score is a direct result of its better video capabilities, specifically the higher maximum video frame rate. This feature provides smoother video footage and greater flexibility for video creators. Although the Sony a9 II has a lower score, it still offers quality video performance with its 4K resolution and time-lapse functionality. Ultimately, the Sony a6600 is the better choice for those prioritizing video capabilities.

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 a9 II Features and Benefits

The Sony a9 II emerges as the winner in the features comparison, scoring 83/100, while the Sony a6600 trails closely with a score of 81/100. Both cameras share several common specifications, including a 3-inch screen size, touchscreen capabilities, flip screen, GPS absence, and the presence of WIFI and Bluetooth connectivity.

The Sony a9 II takes the lead primarily due to its superior screen resolution, boasting 1,440,000 dots compared to the Sony a6600’s 921,600 dots. This higher resolution results in a crisper and more detailed display, enhancing the user’s experience while composing shots and reviewing images.

However, the Sony a6600 is not without its advantages. It shares many of the same features as the Sony a9 II, making it a competitive option in the market. Its score of 81/100 indicates that it is a strong contender and would still satisfy the needs of many photographers.

In comparing these two cameras, it is evident that the Sony a9 II has a slight edge over the Sony a6600 in terms of features, particularly with its higher screen resolution. Nevertheless, the Sony a6600 remains a reliable and capable camera, offering many of the same benefits as its counterpart. Ultimately, the choice between these two cameras will depend on the individual photographer’s priorities and preferences. While the Sony a9 II may be the winner in this comparison, the Sony a6600’s strong feature set ensures that it remains a worthwhile consideration for those seeking a high-quality camera.

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
1,440,000 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 a9 II Storage and Battery

The Sony a9 II triumphs over the Sony a6600 in storage and battery with a score of 79/100, leaving the latter with a score of 48/100. Both cameras accept SD/SDHC/SDXC memory cards and feature USB charging. They also share the same battery type, NP-FZ100.

The a9 II excels with its dual memory card slots, allowing for more storage capacity and flexibility. Additionally, its memory cards are UHS-II compatible, ensuring faster data transfer rates. Despite these advantages, the a9 II falls short in battery life, offering 690 shots compared to the a6600’s 810 shots.

While the Sony a6600 may lack in storage options, its longer battery life may appeal to users who prioritize shooting time over storage capacity. Ultimately, the Sony a9 II offers superior storage capabilities for users seeking ample storage and fast data transfer, while the Sony a6600 provides a longer battery life for extended shooting sessions.

Storage and Battery
Storage and Battery
Memory Card
SD / SDHC / SDXC, Memory Stick Pro Duo
SD / SDHC / SDXC (UHS-II compatible)
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
690 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 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 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'

Alternatives to the Sony a6600 and a9 II

Sony a6600 vs a9 II Comparison image.

Are you still undecided about which camera is right for you? Have a look at these popular comparisons that feature the Sony a6600 or the Sony a9 II:

User Scores
B&H photo video
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