Usually its not easy to tell. There are often less ports and other obvious features, but who knows whats inside. I dont think anyone has ever done a component level breakdown like they do for storage.

>These derivative models are toned down versions of standard ones, perhaps offering a reduced number of HDMI ports or lower quality components. However, it's hard to say -- it can even be hard to tell which specific TVs are derivatives, requiring a careful scan of a model number which could total eight or nine digits.

https://www.forbes.com/sites/benzingainsights/2012/11/21/why...