The Sony a7 IV is probably one of the best bang-for-buck cameras on the market right now. With its high-resolution 33-megapixel full frame sensor along with a slew of high-end video features, it fits the needs of professional creatives. If you're thinking about purchasing this camera but want to know how it performs, then this video might be useful to you.
A recent video from Tony & Chelsea Northrup compares the Sony a7 IV to the Canon EOS R6, the Sony a7R III, the Sony a7 III, and the Sony a9 cameras. The main reason these kinds of tests are useful is that spec sheets and press releases don't always give a clear view of how a camera will perform.
For example, the Sony a7 IV sensor has an AA filter, which although can help prevent moire, also reduces image quality. It's difficult to know how much of an impact this AA filter is going to have without doing a side-by-side comparison. Other factors to test and consider include banding in artificial light, high-ISO performance, and how the sensor handles noise. In the video, Northrup goes into detail on how each camera performs and demonstrates some of the key improvements in the new camera.
Find out how the Sony a7 IV performs by watching the full video linked above.