Sony A7R III vs A7IV: A Comparison

Sony A7R III vs A7IV: A Comparison


In this article, we will compare the Sony A7R III and A7IV cameras. We will discuss the key differences between these two models, including their specifications, features, and performance. By the end of this comparison, you will have a better understanding of which camera may be the best choice for your photography needs.

1. What are the key differences in specifications?

The Sony A7R III features a 42.4-megapixel full-frame sensor, while the A7IV boasts a 33-megapixel sensor. The A7R III also has a higher maximum ISO of 32,000, compared to the A7IV’s maximum ISO of 25,600. Additionally, the A7R III offers 399 phase-detection autofocus points, while the A7IV has 567 phase-detection points.

When it comes to burst shooting capabilities, the A7R III can capture up to 10 frames per second, while the A7IV can shoot at a faster rate of 15 frames per second. Both cameras support 4K video recording, but the A7IV offers improved video capabilities with 10-bit 4:2:2 color depth and a fully articulating touchscreen.

2. How do the features differ?

One of the standout features of the A7R III is its high-resolution sensor, which makes it well-suited for landscape, studio, and portrait photography. The A7IV, on the other hand, is designed to excel in a variety of shooting scenarios thanks to its impressive autofocus performance and video capabilities. Both cameras include in-body image stabilization, but the A7IV’s system has been improved for better compensation.

The A7R III and A7IV also differ in their electronic viewfinders, with the A7IV boasting a higher resolution EVF for a more immersive shooting experience. Additionally, the A7IV includes a USB-C port for faster file transfers and charging, while the A7R III relies on older USB 3.0 technology.

3. How do the cameras perform in real-world scenarios?

When it comes to image quality, the A7R III’s higher-resolution sensor delivers incredibly detailed and sharp images, especially when paired with high-quality lenses. The A7IV may not match the A7R III in sheer resolution, but its 33-megapixel sensor still produces impressive results with excellent dynamic range and low-light performance.

In terms of autofocus performance, the A7IV’s improved AF system provides faster and more precise tracking, making it ideal for capturing moving subjects such as wildlife, sports, and events. The A7R III’s AF system is no slouch either, but it may struggle with fast-moving subjects compared to the A7IV.

4. Which camera is better suited for specific photography genres?

The Sony A7R III is well-suited for photographers who prioritize high-resolution imagery and require the utmost detail in their shots. Landscape photographers, studio photographers, and those who print their work at large sizes will appreciate the A7R III’s sensor and image quality.

On the other hand, the Sony A7IV is tailored for photographers and videographers who demand versatility and performance across various genres. Its advanced autofocus, video capabilities, and faster burst shooting make it an ideal choice for action, street, and documentary photography, as well as videography.

5. Conclusion

Both the Sony A7R III and A7IV are exceptional cameras with their own strengths and weaknesses. The A7R III excels in resolution and image quality, making it a top choice for certain types of photography. Meanwhile, the A7IV offers enhanced autofocus, video features, and overall versatility, making it a compelling option for a wide range of shooting situations.


1. Is the A7IV worth the upgrade from the A7R III?

It depends on your specific needs as a photographer or videographer. If you prioritize improved autofocus, video capabilities, and faster performance, the A7IV may be a worthwhile upgrade. However, if resolution and image quality are your main concerns, the A7R III remains a strong choice.

2. Can the A7R III or A7IV be used for professional photography?

Absolutely. Both cameras are capable of producing professional-quality results, and their robust feature sets make them suitable for a wide range of professional photography applications.

3. Which camera is better for low-light photography?

While both cameras perform well in low-light conditions, the A7R III’s higher maximum ISO may give it a slight edge in extreme low-light situations. However, the A7IV’s advanced autofocus system and improved image stabilization can also contribute to better low-light performance.

4. Do both cameras support dual card slots?

Yes, both the A7R III and A7IV feature dual card slots, allowing for simultaneous recording or automatic backup of files.

5. Can the A7IV replace the A7R III for landscape photography?

While the A7IV offers impressive capabilities for a variety of photography genres, the A7R III’s higher resolution sensor makes it better suited for landscape photography, where fine details and maximum image quality are paramount.


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