Sony a7rii vs a7iii

Sony a7rii vs a7iii – Why do we suggest the a7iii than a7rii?

Sony

Sony a7rii vs a7iiiSony a7R & a7 III are two impressive devices, but the Sony a7 III is better as this device comes with some unique specs.

What are the unique specs of the Sony a7 III?

  • Sony a7 III has dual memory slots, and you will be able to record as much as you can without worrying about storage, while the alternative comes with a single memory slot.
  • This camera includes 693 focus points with contrast-detection AF to boost focus accuracy. On the other hand, you will have only 399 focus points on the Sony a7R II.
  • The device has a great battery run-time that will last for up to 610 shots. Unfortunately, the Sony a7R II has a run-time of only 290 shots.
  • Sony a7 III has a better base & expandable ISO than the other one. The ISO range on this camera is 100 to 51200. The Sony a7R II, on the other hand, has an ISO range of 100-25600.
  • This camera allows you to track and focus an object through the screen as the display has the touchscreen feature, but the competitor comes with an ordinary screen. 
  • Sony a7 III increased the durability while using heavy optics with the device by using six screws in the lens mount. On the other hand, Sony a7R II has four screws that offer less durability than the previous one. 

These above-mentioned points are the reason for recommending the Sony a7 III over the a7R II. This device will surely provide you a satisfactory performance.

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Similar features between Sony a7R II vs a7 III 

  • The devices come with a 3.00-inch tiltable display.
  • They have almost the same sensor version.
  • They both can record videos at 4K.
  • They come with a 5-axis stabilization system.

Quick Comparison 

Specifications Sony a7R II Sony a7 III
Editor’s Rating 4.7 out of 5 4.8 out of 5
Color Black Black
Sensor BSI CMOS BSI CMOS
ISO 100-25600 100-51200
Focus Points 399 693
Battery 290 shots 610 shots
Display 3.00-inch tiltable 3.00-inch tiltable
Touchscreen No Yes
Bluetooth No Yes
Memory Slots Single Dual
Animal AF No Yes
Product Dimension 9.61 x 6.1 x 5.67 inches 5 x 3.88 x 3 inches
Product Weight 1.28 pounds 1.44 pounds
Battery Type 1 Lithium-ion Battery (installed) 1 Lithium-ion Battery (installed)
Warranty 1-Year of Warranty 1-Year of Warranty

Differences & Similarities between Sony a7R II vs a7 III 

Body

The full-frame mirrorless cameras have a standard body that enhances the usability of the devices. A rigid grip on the body will help you hold the device without losing concentration. The number of screws in the Sony a7 III has been increased to six so that you will have better durability while using heavy optics.

Sensor

Sony a7R II & a7 III comes with an Exmor R CMOS sensor that will provide you stunning visuals. The first one, a7R II, comes with the newly developed 35mm sensor with a black-illuminated structure that combines a gapless on-chip lens design. The other camera, Sony a7 III, comes with the latest BIONZ X image processing engine with a front-end LSI. You don’t need to worry about the sensor configuration as the latest versions are available in the market.

ISO

Here comes one of the major segments of a camera. Both the cameras will satisfy you with their ISO range. Sony a7R II has an ISO range of 100-25600. On the other hand, the highest base ISO of the Sony a7 III is 51200, which starts from 100. This range will be suitable for capturing images in a low-light environment. As the Sony a7 III has a wider range of ISO, this device would be preferable than the other one. 

Focus Points 

You should care about the focus point if you want to track and monitor an object easily while shooting. Sony a7 III beats the alternative in this segment as well. This camera has nearly double the focus points as the other one. You will get 693 focus points on the Sony a7 III, whereas the Sony a7R II comes with only 399 focus points.

Battery

The devices come with a decent battery backup that will be enough to shoot an entire program without any pause. Sony a7R II will provide you a run-time of 290 shots. The other camera, Sony a7 III, has a way better run-time than that. This device will last for up to 610 shots, that are more than the traditional camera devices.

Image

Sony a7R II will let you capture images that will look clearer than ever. As this camera has a decent focal point detection with wide coverage, the capture will be sharp with clarity even if the subject moves. On the other hand, Sony a7 III also does a great job of capturing images with less noise. This camera has a better ISO range with higher focus points, so it’s pretty clear that you will get a better image quality on this device. 

Display

Both the devices come with a 3.00-inch tiltable LCD. The displays will provide you with a solid color tone with a natural vibe so that you will have the exact idea of your click. Sony a7 III comes with a touchscreen display that will be very effective as you will be able to change the focus point with just a single touch.

Video

You can shoot 4K videos with the Sony a7R II in the full-frame format. This device can record 4K videos in a 35mm format as well. You will be able to film 4K movies in absolute pixel readout with no pixel binning. The Sony a7 III can film 4K videos with higher oversampling. This camera has a Hybrid Log-Gamma picture profile that supports instant HDR workflow to deliver you a realistic and articulate movie.

Stabilization

Sony a7R II comes with the 5-axis SteadyShot INSIDE image stabilization system that will eliminate camera shakes from five different directions. You don’t need to worry about the blur caused by camera shakes, as the stabilization feature will automatically compensate for the blur. Sony a7 III also comes with this high-precision stabilization feature that will work with a wide range of lenses.

Connectivity

The devices come with multiple connectivity options to pair with smartphones or laptops. Sony a7R II is compatible with WiFi & NFC, allowing you a fast pairing with other devices. Sony a7 III has the Bluetooth connectivity option, which makes this device more flexible to use. You can share your photos with the PlayMemories app as well.

Durability & Warranty

The devices come with an improved design that enhances the durability of the cameras. Especially the Sony a7 III has an enhanced mount rigidity that will surely provide you an advantage while using heavy optics. For the cameras mentioned, Sony provides a one-year warranty.

Final Words

There should not be any more confusion about the cameras. Sony a7R II and a7 III are both two great devices. Sony a7 III is ahead in this comparison as this one has a better ratio on the specifications. If you’re happy with the basic features, the Sony a7R II is a good option as well.

Frequently Asked Questions about Sony a7R II vs a7 III 

What will be the image type after shooting?

The image types are RAW, JPEG, JPEG Fine, etc.

Do they have overheating issues?

Mirrorless cameras may face this issue, but it’s rare on the mentioned devices.

What is the viewfinder type of the Sony a7R II?

Sony a7R II comes with an OLED Tru-Finder VF. 

Can I record 4K videos with the cameras?

Sure. You can record 4K videos with both devices.

Do they support silent mode?

Sony a7 III supports the silent shutter mode.

You can read more camera comparisons from the below links –

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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