Our unit was manufactured in May 2021, and you can see the label.
It has a wider color gamut, much quicker response times, and unlike the Sony, FreeSync works on it.
The Sony, however, has better out-of-the-box accuracy, although this can vary from unit to unit.
On the other hand, the Vizio has much better out-of-the-box accuracy, but this can vary between units.
On the other hand, the Gigabyte is a typical monitor with a smaller screen and 1440p resolution, meaning it has better text clarity.
Unfortunately, static elements like a desktop interface increase the risk of permanent burn-in, but there are options to reduce the likelihood of this issue.