Sony A7 III vs A7 IV - What's the Difference? (Full Comparison)

The Sony A7 III and A7 IV are very similar cameras. Both are full-frame mirrorless cameras with great image quality. However, there are some key differences between the two cameras.

In this article, we’ll explore those differences category by category.

Let’s take a look.

Table of Contents

Sony A7 III vs A7 IV – Comparing the Differences

Price

Budget is always top of mind, so let’s start with price.

The Sony A7 IV has an MSRP of around $2,500.

The Sony A7 III has an MSRP of around $2,000.

These do change, so always check for price and availability.

Sensor

The Sony A7 III has a 24.2 megapixel sensor, while the A7 IV has a 26.1 megapixel sensor.

That’s a small difference, but it means that the A7 IV will capture slightly more detail than the A7 III.

Autofocus

The Sony A7 III has 693 phase detection autofocus points, while the A7 IV has 567 phase detection autofocus points. That means that the A7 III will be able to focus slightly faster and more accurately than the A7 IV in most situations.

Video Recording and Quality

The Sony A7 III can record 4K video at up to 30 frames per second, while the A7 IV can only record 4K video at up to 24 frames per second. That means that the A7 III will capture slightly smoother video if you’re recording at 4K.

The Sony A7 III can also record 1080p video at up to 120 frames per second, while the A7 IV can only record 1080p video at up to 60 frames per second. So, if you want to do slow motion recording with the A7 IV, you’ll need to drop down to 1080p.

Viewfinder and LCD

The Sony A7 III has a 0.5 inch OLED viewfinder with 2,359k dots of resolution, while the A7 IV has a 0.5 inch OLED viewfinder with 3,686k dots of resolution.

That means that the A7 IV’s viewfinder will be slightly sharper and clearer than the A7 III’s.

The Sony A7 III has a 3 inch tilting LCD with 921k dots of resolution, while the A7 IV has a 3 inch touchscreen LCD with 1,440k dots of resolution. So, the A7 IV’s LCD will be both slightly larger and slightly higher resolution than the A7 III’s.

Battery Life

The Sony A7 III has a battery life of 710 shots per charge, while the A7 IV has a battery life of 610 shots per charge. So, the A7 III can take about 100 more shots before needing to be recharged than the A7 IV.

Build Quality and Weather Sealing

The Sony A7 III and A7 IV are both well-built cameras with good weather sealing. However, the A7 III is slightly better in this regard. It has a magnesium alloy body with weather sealing on all of the important buttons and ports.

The A7 IV also has a magnesium alloy body, but it only has weather sealing on some of the buttons and ports.

Continuous Shooting Speed

The Sony A7 III has a continuous shooting speed of 10 frames per second, while the A7 IV has a continuous shooting speed of 8 frames per second.

So, if you need to take a lot of shots in quick succession, the A7 III will be a better choice.

Memory Card Slots

The Sony A7 III has two memory card slots, while the A7 IV only has one.

So, if you need to use multiple memory cards with your camera, the A7 III will be a better choice.

Image Quality

Both the Sony A7 III and A7 IV have great image quality. However, the A7 IV has slightly better image quality overall thanks to its higher resolution sensor.

Other Features

The Sony A7 III has built-in WiFi and NFC, while the A7 IV only has built-in WiFi. So, if you want to be able to connect your camera to your smartphone or tablet wirelessly, the A7 III will be a better choice.

The Sony A7 III also has an intervalometer for taking timelapse videos, while the A7 IV does not. So, if you want to be able to take timelapses with your camera, the A7 III will be a better choice.

Sony A7 III vs A7 IV – Which Should You Choose?

If you’re trying to decide between the Sony A7 III and A7 IV, there are a few things to consider.

First, think about what you need your camera for. If you need a fast continuous shooting speed, the A7 III is the better choice. If you want to be able to take timelapse videos or connect your camera to your smartphone wirelessly, the A7 III is also the better choice.

However, if image quality is your top priority, the A7 IV is the better camera thanks to its higher resolution sensor. And, if you want to be able to use multiple memory cards with your camera, the A7 III is the way to go.

SONY A7 IV vs SONY A7 III: Which Camera SHOULD You BUY?

FAQs – Sony A7 III vs A7 IV

What’s the difference between the Sony A7 III and A7 IV?

The Sony A7 III and A7 IV are both great cameras, but there are some key differences to consider. The A7 III has a slightly faster continuous shooting speed, better battery life, two memory card slots, and built-in WiFi and NFC.

The A7 IV has a higher resolution sensor, a touchscreen LCD, and only one memory card slot.

So, which camera is right for you depends on your needs. If you need a fast camera with good battery life and dual memory card slots, the A7 III is the way to go. If you want the best image quality possible, the A7 IV is the better choice.

Do the Sony A7 III and A7 IV have the same sensor size?

No, the A7 III has a full frame sensor while the A7 IV has an APS-C sensor. However, both cameras have 24 megapixel sensors.

What’s the difference between a full frame and an APS-C sensor?

A full frame sensor is larger than an APS-C sensor. This means that it can capture more light, resulting in better image quality. However, full frame cameras are also typically more expensive than APS-C cameras.

So, if you’re trying to decide between the two types of sensors, it really comes down to your budget and your needs. If you need the best image quality possible, go for a full frame camera. If you’re on a tight budget, an APS-C camera will be just fine.

Conclusion – Sony A7 III vs A7 IV

The A7 III has a higher resolution sensor than the A7 IV. It also has better autofocus and video capabilities.

The A7 IV is newer and has some additional features, including a higher megapixel count, 4K video, and in-body stabilization.

When deciding between the Sony A7 III and A7 IV, it’s important to consider your needs and what you’ll be using the camera for.

If you need the highest resolution possible or want the best video capabilities, go with the A7 III.

If you want the latest and greatest features from Sony, go with the A7 IV.

Sony A7 III vs A7 IV – What’s the Difference? (Full Comparison)