Sony a6600 vs a7iii

Sony a6600 vs a7iii – Which one should you pick for photography?


Sony a6600 vs a7iiiSony a6600 & Sony a7 III are two great cameras, but Sony a7 III will be the winner because of its advanced specs.

Which Features Made Sony a7 III Winner?

  • Sony a7 III comes with 693 focus points that help to track and monitor an object instantly. In contrast, the competitor comes with only 425 focus points.
  • The ISO range of the Sony a7 III is 100-51200 which delivers excellent low-noise performance for high-quality images even in dimly lit settings. On the contrary, the alternative has a range of 100-32000.
  • Sony a7 III is ahead in terms of expandable ISO as well. This device will provide you with an ISO range of 50-204800 while it expands, whereas the other one has an expandable ISO of 100-102400.
  • This device comes with a dual-storage option, so there won’t be any storage issues with storage. Unfortunately, you will have a single memory slot in the Sony a6600.
  • You will be able to click stunning images with this device even if the subject is moving, as this camera has an impressive shutter speed of 1/8000 per second. Sony a6600 has a shutter speed of 1/4000 per second.
  • Sony a7 III comes with an upgraded OLED viewfinder that provides corner-to-corner visibility but the other one comes with an ordinary viewfinder. 

These specs made the Sony a7 III unbeatable. Go for this one if you want to have a better camera experience.


Similar Features Between Sony a6600 vs a7iii

  • They are compatible with Bluetooth & WiFi. As a result, you will be able to transfer your file easily.
  • Both have a touchscreen LCD that will give you the ultimate convenience of use.
  • They have a continuous shooting mode. So, you can shoot any fast-moving object effortlessly.
  • They have the eye-tracking focus mode that provides great portraits of people and also helps to get beautiful wildlife shots.

You will get these similar functions with both cameras. If you want the best performance with improved facilities then you have to choose the Sony a7 III camera.

Quick Comparison: Sony a6600 vs a7iii

Specifications Sony a6600 Sony a7 III
Editor’s Rating 4.7 out of 5 4.8 out of 5
Color Black Black
Sensor 24.2MP APS-C Exmor  24.2MP Exmor CMOS
ISO 100-32000 100-51200
Shutter Speed 1/4000 per second 1/8000 per second
Expandable ISO 100-102400 50-204800
Focus Points 425 693
Battery Life 810 shots 610 shots
Video 2160p 2160p
Storage Slots Single Dual
Weather-Sealed Body Yes Yes
Product Dimension 4.7 x 2.7 x 2.7 inches 5 x 3.88 x 3 inches
Product Weight 1.11 pounds 1.44 pounds
Display 3.00-inch tiltable 3.00-inch tiltable
Touchscreen Yes Yes
Warranty 1-Year of Warranty 1-Year of Warranty

Differences and Similarities: Sony a6600 vs a7 III


Both the devices come with a 3.00-inch touchscreen display. You will be able to track the object in real-time by using the display. The display will show you the natural tone to get the idea of color accuracy while shooting an image or video. The tiltable LCDs are perfect for videography as you can change the angle exactly how you want.


The devices come with a decent viewfinder to allow you to monitor an object with full freedom. Sony a6600 comes with an XGA OLED viewfinder that will provide you with clearer visibility with fine details. You will get to see accurate colors with smooth motion. On either hand, Sony a7 III comes with an electronic viewfinder that offers excellent resolution. This device ensures you a perfect color reproduction with corner-to-corner visibility.


With a single charge, you will be able to cover any occasion with the devices. There won’t be any objection about the battery backup of the devices for sure. Sony a7 III will provide you with a run-time of 610 shots, while the Sony a6600 will run for 810 shots with a single charge. This run-time is quite impressive compared to the traditional devices. 


Sony a6600 & a7 III come in the traditional camera outlook. They are pretty lightweight so you can carry them anywhere without any discomfort. They have a perfect viewfinder with a stunning display. The controls are placed well in the body. The rigid grip will give you a solid hold so that you don’t lose focus while shooting. 


The camera sensor is a sector that is responsible for the images it would produce. The devices come with the latest sensor for delivering you a stunning output. Sony a6600 comes with the 24.2 APS-C Exmor sensor. Sony a7 III is integrated with the 24.2MP Exmor CMOS sensor with the latest BIONZ X image processing engine. The sensors will produce images with reduced noise and great details.


Sony a6600 & Sony a7 III come with a decent ISO range that is perfect for shooting images in a low-light environment. You will feel comfortable with the configuration even if you are not a professional. Sony a6600 has an ISO range of 100-32000, while the Sony a7 III comes with an ISO range of 100-51200. The expandable ISO is also better on the Sony a7 III.

Focus Points

Sony a7 III has a total of 693 focus points that will help you to track and monitor an object quickly, even if the object is moving. The other camera, the Sony a6600, has fewer focus points than the previous device. You will have 493 focus points on the Sony a6600. It will be easier to focus and capture an object if you have the Sony a7 III in your hand. 

Continuous Shooting & AF

Sony a7 III allows you to capture continuous shots in 10fps. You can shoot up to 177 JPEG or 87 RAW at a time by using this feature. This spec will be helpful while shooting moving objects. Unfortunately, the Sony a600 won’t provide you with a decent output in this criteria. The devices are capable of real-time AF to keep your scene in focus while capturing. The AF feature will provide you with stunning visuals with details.

Durability & Warranty

Sony a6600 & a7 III are two great devices, and there is no doubt about that. They can be used for a long time without facing any issues about durability. Sony offers a 1-year of warranty for the devices for your peace of mind. 


The devices are perfect for any occasion. They have a decent ISO, focus points, and battery run-time that are required for a perfect output. Sony a7 III is a perfect device with all the specs. Sony a6600 is also a standard device that can be considered if you are looking for an ordinary camera with all the features. 

Frequently Asked Questions about Sony a6600 vs a7iii

Am I required to use an adapter for lenses?

You are required if they are not E-mount.

Do they have dual memory slots?

Only the Sony a7 III comes with dual memory slots.

Are they mirrorless cameras?

Yes. They both are mirrorless cameras.

What is the photo-sensor size?

The devices come with a full-frame photo-sensor.

Is there any autofocus control button on the camera?

Yes. You will find an autofocus control on top of the device.

Check out other comparison articles here.

Author Profile

Debabrata Roy Choudhury
Debabrata Roy Choudhury
I have been working in the camera industry for the last 6 years, and I am dedicated to helping my readers choose the best DSLR Camera, Mirrorless camera, security camera, or drone. My greatest reward is utilizing that knowledge to help people get the best for their needs under their budget. In 2014, I bought my first DSLR camera, and I have worked for different agencies and travel companies. Therefore, I have to use various cameras and lenses. Nowadays, there are many kinds of cameras available in the market, so, before buying, a person has to focus on the following questions:

Here are some questions for you that will help you to buy a camera

  • Ask yourself why you are buying a camera? Because Different cameras are built for different purposes. Do you want something only for better photos than your phone, or do you want to get into the photography business or just a hobby?

  • What is the budget? You may not need a professional-grade DSLR camera if it is just for a hobby. You can get something that will allow you to grow into a DSLR.

  • Did you compare your desired model with another popular model in the market?

If you are looking for a camera for your business or professional photography, then check the below things before making the final call: 

  • Types of Cameras

  • DSLR vs Mirrorless

  • Speed and Performance

  • The MegaPixel Myth and Reality

  • Ergonomics

  • Interchangeable Lenses

  • Image Stabilization

Check one of my articles where I describe everything in detail about how to choose a DSLR camera

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