Sony a7iii vs Sony a6400: Ultimate Comparison

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⭐️ Best Price for the Sony A7iii Camera (updated): (affiliate)
⭐️ Best price for the Sony a6400: (affiliate)

Today I’m going to compare the Sony a7iii and the Sony a6400 for both photography and video. These are two of the most popular mirrorless cameras from Sony and offer two very enticing options.

There are a lot of similarities so I will cover the strengths and weaknesses of the #a7iii and the #a6400 for both photography and video, and compare everything from body type, framerate and resolution, autofocus, lens options, audio features, and ergonomics.

I will also look at the #sony a7iii and the a6400 in terms of battery life, timelapse, viewfinder and streaming options and recording limit.

Finally I’ll tell you which option I think is best for different uses.

Detailed Sony a7iii review:
Detailed Sony a6400 review:

18:15 AUDIO

Best Price for Sony A7iii Camera (updated):
Body only: (affiliate)
Kit used (for review) in video: (affiliate)

BEST PRICE FOR SONY A6400(updated):
Body only: (affiliate)
Kit used (for review) in video: (affiliate)

Sigma 30mm f/1.4 DC DN (affiliate)
Sigma 56mm f/1.4 DC DN (affiliate)
Sony – E 35mm f/1.8 OSS Lens (affiliate)
Sony E 10-18mm F4 OSS (affiliate)
Sony E PZ 18-105mm F4 G OSS (affiliate)
Sigma 18-35mm f/1.8: (affiliate)
Sigma 16mm f/1.4: (affiliate)

Sony FE 24-70mm f/2.8 GM Lens: (affiliate)
Sony FE 70-200mm f/2.8 GM Lens: (affiliate)
Sony FE 12-24mm f/4 G Lens: (affiliate)
Sony FE 16-35mm f/2.8 GM Lens: (affiliate)
Sigma 18-35mm f/1.8: (affiliate)

Sony FE 90mm f/2.8 Macro Lens: (affiliate)
Sigma 70mm f/2.8 DG Macro Art: (affiliate)

Sony A7III and A6400 Shotgun Microphones:
Rode VideoMicro Compact On-Camera Microphone: (affiliate)
Rode VideoMic GO (affiliate)
Deity V-Mic D3 Pro: (affiliate)
Rode VideoMic Pro (affiliate)
Rode VideoMic Pro Plus (affiliate)

Best Lavalier Microphone:
Option 1: (affiliate)
Option 2: (affiliate)
Pro Option: (affiliate)
Pro Option +: (affiliate)

My favorite 3-axis Gimbals for the Sony A7III:
Moza Air 2 3-Axis Handheld Gimbal Stabilizer: (affiliate)
DJI Ronin-S: (affiliate)
Zhiyun-Tech Crane v2 3-Axis Handheld Gimbal Stabilizer:

Patreon: (thank you for the support!!!)

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  • Categories: Dslr Cameras


Maarten S says:

Great stuff man thanks a lot 🙂

Yuandrew Bernando says:

I take a6400 because Im amateur and still learn photography so with the a6400 cheaper than a7iii you can buy some speedlite or studio lightning for support photography skill.

Sam's Football Freestyle says:

Which camera filming with , ?

Abla mahran says:

Like your way of review the camera iam going to buy Fuji xt 30 is it better than that Sony a6400 I do have Sony a6300 good camera but iam sick of it looking to buy better one very one say Fuji

Brian Burk says:

Great videos and information! Thanks for this reviews. I am spending a lot of time watching all of the videos and reading your reviews. Keep Posting!

I have a question for you. I own an anti-aging clinic and I am beginning to pod-cast/video cast discussions with health experts. In addition I am filming educational videos regarding products and information relative to health. I find our clients have so many questions that I want to educate them and others on the benefits of health.

Recently I have begun watching more YouTube on my TV and Retina Mac than actual TV shows. I think more and more people will be doing this so I want to film very high quality and resolution. My goal is to future proof my posts and videos.

I love multi angle shooting and I'll be doing it on my balcony. Challenging lighting situations but it will look very interesting. I purchased one a6400 and a Canon M50. In 4k the a6400 is so much better so I returned the M50 and purchased two more a6400. I have a 10-18mm lens, 15-50 mm and 18 – 135 mm.. Should I have purchased a different camera? I like to be able to film long clips and to have the videos look similar. I considered the Aiii but it was so much more expensive. I got 2 a6400 and lens for same prie of aiii and lens. Do you think this was a good idea? Did I buy too many cameras? I could have used my Samsung 10+s but I tried that and the quality wasn't quite as high. I am going to use one of those to film close ups for instructions though.

So I now have 3 A6400 to film from 3 different angles to talk to guests and also to film the educational pieces. I have lighting and even a mixer to be able to live cast to facebook, etc. I also have drone and will try to film footage of the balcony activities for a sort of unique aspect. Any thoughts on my purchases? Did I spend too much? Should I have diversified? I am a total notice but I am on a mission to learn as much as possible as fast as possible.

Also do you have any insight on how powerful an Imac I should use with Final Cut to edit? I am going to upgrade that as well. Thanks for any help and keep posting the great videos!

woodbronks says:

Question whats the best for video, mostly 4K the Sony a6400 or Fuji xt-3? cheers

PsyQo Phil says:

I purchased the A6400 a few weeks ago and I absolutely love it. Great for both stills and video. I was extremely surprised at how good the kit lens is. Overall, it's the best bang for the buck at the moment. As always, great video and keep up the good work.

Tropictank says:

What is your main camera?

Misha Basu says:

Thank you for the video. You make understanding camera features so much easier.

Jimmy a Geek says:

The Only Reason to Buy A6400 to Use the with Kit Lens

Muhammed Jabir Hussain says:

Can u do a detailed comparison between Canon SL2 and Canon 77D

Jeevan Naika says:

wow really good comparison video. it helpedme a lot . i go with a7 iii

Sam Sze says:

a6400 is so overrated
unless you are happy with that kit lens, you aren't getting any sort of portability with that lens selection
what those lens doing is to basically persuade u yo their a7 line up
sony's apsc is just a way of marketing

dustin puranaputra says:

whats the best lens for a6400 if i wanted to do cinematic type vids in iceland?

Mark Shirley says:

If you are in 120fps and you touch a subject on screen on the A6400 will the AF stay on the subject or object.

Joel Diaz says:

Ross is reviewing cameras on YouTube?


You gotta do RX100 VII vs A6400! 😂🤣😭😵🤦🏻‍♂️

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